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共用题干
Water and its importance to human life were the center of the world's attention last week. March 22 was World Water Day and______(51)the theme"Water for Life”.
There are more than one billion people in the world who live without______(52)drinking water. The United Nations______(53)to cut this number in half by 2015.
Solving such a big problem seems like a(n)______(54)challenge.But everyone,even teenagers,can do something to help.A teenage girl in the US has set an example to the______(55)of her age around the world.
Rene Haggerty,13,was awarded the 2004 Gloria Barron Prize for her work—_______(56) discarded(废弃的)batteries(电池)which pollute water.
In 2003,Haggerty went on a field trip to the Great Lakes Science Centre in Ohio.There she saw an exhibit about how______(57)in old batteries harm the water of Lake Erie.
Haggerty learnt that______(58)the batteries was an easy solution."I think everybody can do it,because everyone uses batteries,and it can make a big difference."With these words,she began to.______(59)awareness in her area.
She______(60)her county government and school board. She got permission to start a re-cycling program in schools,hospital,churches______(61)the public library. With the help from her family,friends and local waste-management______(62),she gathered containers,arranged transportation,and made an educational video.
Over the past two years,she collected four tons of batteries and drew the attention of officials, who were in charge of a battery recycling program but had made______(63)progress.
When asked______(64)she feels like a hero,Haggerty is quite modest."Not really. Well,maybe for the fish I saved!"
Every year the Gloria Barron Prize is______(65)to young Americans aged 8 to 1 8 who have shown leadership and courage in serving the public and the planet. Each year ten winners receive US MYM 2,000 each,to help with their education costs or their public service work.
_________(59)
A:tell
B:increase
C:spread
D:inform
共用题干
Female Bullfighting
It was a unique,eye-catching sight:an attractive woman in a shiny bullfighter's suit,
sword in hand,facing the sharp horns of a black,500-kilogram beast.
Most people thought the days of female bullfighting were over in Spain._____(1)
The first woman fighter,Cristina Sanchez,quit in 1999 because of male discrimination
(歧视).But Vega is determined to break into what could be Spain's most resistant male
field._____(2)
Spanish women have conquered almost all male professions.______(3) "The
bull does not ask for your identity card,"she said in an interview a few years ago.She
insisted that she be judged for her skills rather than her femaleness.
Vega became a matador(斗牛士)in 1 997 in the southwestern city of Caceres.
_____(4)She entered a bullfighting school in Malaga at age nine and performed her
first major bullfight at age 14 .She has faced as much opposition as Sanchez did.And the
"difficulties have made her grow into a very strong bullfighter,"her brother Jorge says.
The 1 .68-metre tall and somewhat shy Vega says her love of bullfighting does not make
her any less of a woman._____(5)
__________(1)
A:.She intends to become even better than Sanchez was.
B:.Her father was an aspiring(有雄心壮志的)bullfighter.
C:.But many bullfighting professionals continue to insist that women do not have what it takes to perform the country's"national show".
D:."I'm a woman from head to toe and proud of it,"she once said.
E:.She looks like a male bullfighter.
F:But recently,29-year-old Mani Paz Vega became the second woman in Spanish history to fight against those heavy animals.
She is a highly successful teacher.
A: fairly
B: rather
C: very
D: moderately
共用题干
Improve Your Memory
To many people advancing age means losing your hair,your waistline and your memory.But is it an inescapable fact that the older you get,the less you remember? Well,as time goes by,we tend to blame age for problems that are not necessarily age-related.
When a teenager can't find her keys,she thinks it's because she's distracted or disorganized, but a 70-year-old blames her memory. In fact,the 70-year-old may have been misplacing things for decades一like we all do from time to time.
In healthy people,memory doesn't deteriorate as quickly as many of us think. According to psychologists,as we age,our memory mechanism isn't broken,it's just different.The brain's processing time slows down over the years,though no one knows exactly why.Recent research suggests that nerve cells lose efficiency and that there's less activity in the part of the brain that decides whether to store information or not.But it's not clear that less activity is worse.A beginning athlete is winded. more easily than a trained athlete.In the same way,as the brain gets more skilled at a task,it spends less energy on it.
There are steps you can take to improve your memory,though you have to work to keep your brain in shape.It's like having a good body. You can't go to the gym once a year and expect to stay in top form.
Some memory enhancement experts suggest using the AM principle.Pay attention to what you want to remember. Then give some meaning to it. We remember things when we focus on them, whether we intend to or not. That helps explain why jingles stick in our minds.They are played on loud,flashy TV commercials.They also use rhyme and music to help us remember better.
Basic organization helps us remember the boring stuff. For example,rather than trying to recall a random list of groceries,we can divide them into categories,such as dairy,meat and produce. For important things like keys and money,we can set up a"forget-me-not"spot where we always keep them.
We can also eat to aid our memory power. Whole grains,fruits and vegetables are excellent sources of glucose,the brain's preferred fuel. Another low-tech way to improve memory is to get adequate rest. Sleep may allow our brain time to encode memories.
Interest in friends,family and hobbies does wonders for our memory.A sense of passion or purpose helps us remember. Memory requires us to pay attention to our lives,allowing us to discover in them everything worth remembering.
In the AM principle,the letters A and M most likely refer to attention and memory respectively.
A:Right
B:Wrong
C:Not mentioned
共用题干
Chimpanzees
1 Chimpanzees(黑猩猩)will soon be extinct(灭绝).If the present rate of hunting and habitat(栖息地)destruction continues, then within 20 years, there will be no chimpanzees living in the wild. But this is more than an environmental or moral tragedy(悲剧).Chimpan-zee extinction may also have profound implications(含意)for the survival of their distant relatives一human beings.
2 In 1975 the biologist Marie-Claire King and Allan Wilson discovered that the human and chimpanzee genomes(基因组)match by over 98%. Compare this to the mouse, used as model for human disease in lab tests,which shares only 60% of its DNA with us.In fact, chimpanzees are far more similar to humans than they are to any other species of monkey. As well as resembling us genetically,chimps are highly intelligent and able to use tools.These facts alone should be enough to make protection of chimps an urgent priority(优先).But there is another,more selfish reason to preserve the chimp.
3 The chimpanzees' trump card(王牌)comes in the field of medical research. Chimpan-zees are so similar to humans that veterinarians(兽医)often refer to human medical text-books when treating them. Yet chimpanzees do show differences in several key areas.In parti-cular,chimps are much more resistant to a number of major diseases.It is this ability that is so interesting.
4 For example,chimps seem to show a much higher resistance than humans to HIV,the virus that causes AIDS. Indeed,their use as experimental animals in AIDS research has de-clined because they are so resistant.
5 By sequencing the chimp genome and pinpointing(找到)the place where the chimpan-zee DNA sequence differs from that of humans,scientists hope to be able to discover which part of the genetic code gives chimps their increased resistance to some diseases. This,they hope,will allow them to develop new and more effective treatments for the human forms of these diseases. Such treatments could include the production of new drugs or even the altera-tion(改变)of the human genetic sequence. The recently completed human genome sequen-cing project has shown that such an effort is now well within our reach.
The discovery of the genetic code of chimps will be helpful to_______.
A: some human disease treatments
B: some diseases
C: human survival
D: human genomes
E: key areas
F: healthier lifestyle
共用题干
Interview
The importance and focus of the interview in the work of the print and broadcast journalist are
reflected in several books that have been written on the topic .Most of these books,as well as several chapters,mainly in,but not limited to,journalism and broadcasting handbooks and reporting
texts,stress the"how to"aspects of journalistic interviewing rather than the conceptual aspects of the interview,its context,and,implications.Much of the"how to"material is based on personal experiences and general impressions.As we know,in journalism as in other fields,much can be learned from the systematic study of professional practice.Such study brings together evidence from which broad generalized principles can be developed.
There is,as has been suggested,a growing body of research literature in journalism and
broadcasting,but very little significant attention has been devoted to the study of the interview itself. On the other hand,many general texts as well as numerous research articles on interviewing
in fields other than journalism have been written.Many of these books and articles present the
theoretical and empirical aspects of the interview as well as the training of the interviewers.Unhappily,this plentiful general literature about interviewing pays little attention to the journalistic
interview seems to be surprising for two reasons.First,it seems likely that most people in modern Western societies are more familiar,at least in a positive manner,with journalistic interviewing than with any other form of interviewing. Most of us are probably somewhat familiar with the clinical interview,such as that conducted by physicians and psychologists.In these situations the professional person or interviewer is interested in getting information necessary for the diagnosis and treatment of the person seeking help.Another familiar situation is the job interview.However, very few of us have actually been interviewed personally by the mass media,particularly by television.And yet,we have a vivid acquaintance with the journalistic interview by virtue of our roles as readers,listeners,and viewers.Even so,true understanding of the journalistic interview,especially television interview,requires thoughtful analysis and even study,as this book indicates.
Much research has been done on interviews in general,so the training of journalistic inter- viewers has likewise been strengthened.
A: Right
B: Wrong
C: Not mentioned
共用题干
Animal's “Sixth Sense”
A tsunami(海啸)was triggered(引发)by an earthquake in the Indian Ocean in December, 2004.It killed tens of thousands of people in Asia and East Africa. Wild animals,1, seem to have escaped that terrible tsunami. This phenomenon adds weight to notions that they possess a“sixth sense” for2 ,experts said.
Sri Lankan wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean island's coast clearly 3 wild beasts,with no dead animals found.
“No elephants are dead,not4a dead rabbit. I think animals can5 disaster.
They have a sixth sense. They know when things are happening,”H.D. Ratnayake,deputy director of Sri Lanka's Wildlife Department,said about one month after the tsunami attack. The6washed floodwaters up to 2 miles inland at Yala National Park in the ravaged(被 毁坏的)southeast, Sri Lanka's biggest wildlife7and home to hundreds of wild elephants and several leopards(豹).
“There has been a lot of8 evidence about dogs barking or birds migrating before volcanic eruptions(火山爆发)or earthquakes. But it has not been proven ,” said Matthew van Lierop,an animal behavior 9 at Johannesburg Zoo.
“There have been no10studies because you can't really test it in a lab or field setting , ” he told Reuters. Other authorities concurred(同意)with this11.
“Wildlife seem to be able to pick up certain12 ,especially birds…there are many re- ports of birds detecting impending(迫近的)disasters , ” said Clive Walker , who has written several books on African wildlife.
Animals13 rely on the known senses such as smell or hearing to avoid danger such as predators(食肉动物).
The notion of an animal “sixth sense”一or14other mythical power一is an enduring one which the evidence on Sri Lanka's ravaged coast is likely to add15.
10._________
A: strange
B: specific
C: social
D: funny
共用题干
The Arctic Ice is Thawing
Father Christmas may have to move his"workshop"from the North Pole because global warming is
thawing the ice beneath his feet and his reindeers'feet as well.His"workshop"is in dire straits.The"plat-
form"for the"workshop"is melting,said Stefan Norris of the World Wildlife Fund environmental group's
Arctic Program.
An eight-nation report by 250 scientists published recently predicted the Arctic Ocean could be ice-free
in summer by 2100 because of a build-up of heat-trapping gases in the atmosphere,mainly from burning fossil
fuels in cars or factories.The North Pole is getting more and more uninhabitable to Father Christmas.
__________(46)Young people learn that Father Christmas'"workshop"produces millions of gifts delivered
by him on a flying,reindeer-drawn sleigh.Hollywood movies like"The Polar Express"tried to make viewers
believe that Father Christmas lives at the North Pole._______(47)
The"Fortress of Solitude"is near the North Pole that could be under threat in a warmer world. Alan Boldt,
spokesman of the Danish Ministry of Science,suggested ways to rescue Father Christmas._________(48)
Another alternative,he argued,woald be building some electrical facilities to ensure the ice stays on the North
Pole for him."This should be a subject for the United Nations,"he said."Danmark could build windmills to pro-
vide Father Christmas with power."Denmark says Father Christmas'real home is Greenland,which will help,
Denmark thinks,to strengthen its position in claiming the sovereignty over the Pole.__________(49)
"Doesn't he already speak Danish?"Boldt said frostily when asked if Father Christmas would be forced
to learn Danish if Denmark won international recognition of its claim to the Pole.Last month's Arctic report
said the region is warming twice as fast as the rest of the globe,partly because dark ground or water,once un-
covered,soaks up more heat than ice or snow.Finland has been most favored by Father Christmas and it has
about 500,000 tourists a year to visit its Christmas center in Rovaniemi in Lapland._________(50)
_________(49)
A:However,Nordic nations all reject it by claiming that their countries are his home.
B:Therefore the North Pole is the most attractive place in the world.
C:If Denmark's claim were accepted internationally,it would have the legal right to search for oil and gas at the North Pole.
D:One of them would be building a giant floating ice rink for the workshop if the Pole thaws.
E:Maybe Father Christmas has already moved to Rovaniemi.
F:He may have to move from the North Pole within our children's lifetimes.
What does the survey indicate?
A Many poor Americans want large portions.
B Twenty percent Americans want smaller portions.
C Fifty seven percent Americans earn $150 ,000 per year.
D Twenty three percent Americans earn less than $25,000 per year.
共用题干
Wide World of Robots
Engineers who build and program robots have fascinating jobs. These researchers tinker(修补)with ma-
chines in the lab and write computer software to control these devices."They're the best toys out there,"
says Howie Choset at Carnegie Mellon University in Pittsburgh.Choset is a roboticist,a person who designs,
builds or programs robots.
When Choset was a kid,he was interested in anything that moved一cars,trains,animals.He put motors
on Tinkertoy cars to make them move.Later,in high school,he built mobile robots similar to small cars,
Hoping to continue working on robots,he studied computer science in college.But when he got to
graduate school at the California Institute of Technology in Pasadena,Choset’。labmates were working on
something even cooler than remotely controlled cars:robotic snakes.Some robots can move only forward,
hackward, left and right. But snakes can twist(扭曲)in many directions and travel over a lot of different
types of terrain(地形)."Snakes are far more interesting than the cars,"Choset concluded.
After he started working at Carnegie Mellon,Choset and his colleagues there began developing their own
snake robots.Choset's team programmed robots to perform the same movements as real snakes,such as
sliding and inching forward.The robot、also moved in ways that snakes usually don't,such as rolling.
Choset’s snake robots could crawl(爬行)through the grass,swini in a pond and even climb a flagpole.
But Choset wondered if his snakes might be useful for medicine as well.For some heart surgeries,the
doctor has to open a patient's chest,cutting through the breastbone.Recovering from these surgeries can be
very painful.What if the doctor could perform the operation by instead making a small hole in the body and
sending in a thin robotic snake?
Choset teamed up with Marco Zenati,a heart surgeon now at Harvard Medical School,to investigate the
idea.Zenati practiced using the robot on a plastic model of the chest and they tested the robot in pigs.
A company caikd Medrobotics in Boston is now adapting the technology for g urgerie9 on people-
Even after 15 years of working with his team’s creations,"I still don't get bored of watching the motion
of my robots,"Clioset says.
The robotic technology for surgeries on people has brought a handsome profit to Medrobotics.
A:Right
B:Wrong
C: Not mentioned
共用题干
第一篇
Food Poisoning
Food sometimes gets poisoned with harmful things,A person who eats such food can get an illness called
food poisoning. Food poisoning is usually not serious,but some types are deadly.The symptoms of food poi-
soning usually begin within hours of eating the poisoned food.Fever is one of the most common symptoms.
Certain microorganisms(微生物)cause most types of food poisoning. Bacteria and other microorganisms
can poison eggs,meat,vegetables,and many other foods.After entering the body,these tiny living things re-
lease(释放)poisons that make people sick.
Some chemicals can also cause food poisoning. They are often added to food while it is being grown,pro-
cessed,or prepared.For example,many farmers spray chemicals on crops to kill weeds and insects.Some
people may have a bad reaction to those chemical、when they eat the crops.
Some plants and animals contain natural poisons that are harmful to people.These includo certain kinds
of seafood,grains,nuts,seeds,beans,and mushrooms.
When people handle food properly,the risk of food poisoning is very small.Microorganisms multiply rapidly
in dirty places and in warm temperatures.This means that people should never touch food with dirty hands or
put food on unwashed surfaces.Food should be kept in a refrigerator to stop microorganisms from growing,
Meat needs to be cooked thoroughly to kill any dangerous microorganisms. People should also wash food covered
with chemicals before eating it.Finally,people should not eat wild mushrooms or other foods that grow in the
wild.Some of these foods may contain natural materials that are poisonous to humans.In addition,some types
of fish can be poisonous.
Most people recover from food poisoning after a few days of resting and drinking extra water. If people
eat natural poisons,they must go to the hospital right away to have their stomachs emptied.
Which of the following statements is NOT true?
A:Food when poisoned can make people sick.
B:Food poisoning means death.
C:F0od poisoning comes in varieties.
D:Food poisoning can be serious,
共用题干
What's Killing the Bats
First it was bees.Now it is bats.Biologists in America are working hard to discover the cause of the mysterious deaths of tens of thousands of bats in the northeastern part of the country.
Most of the bats affected are the common little brown bats(Myotis lucifugus,)but other species, such as the long-eared bat,the small-footed bat,the eastern pipistrelle,and the Indiana bat have also been affected. In some caves,more than 90 percent of the bat populations have died.
One possibility is disease. A white fungus(真菌)known as fusarium has been found on the noses of both living and dead bats.However,scientists don't know if the fungus is the primary cause of death,a secondary cause of death,or not a cause at all,but the result of some other conditions.
Another possible cause is a lack of food.For example,bats typically eat a large number of moths(蛾),and in some states such as New York,the number of moths has been declining in recent years. if bats can't eat enough food,they starve to death.
Still other scientists believe that global warming is to blame.Warmer temperatures in recent years have been waking up hibernating(冬眠)bats earlier than usual. If bats break their hiberna- lion at the wrong time,they might not find their expected food sources. The weather might also turn cold again and weaken or kill the bats.
Scientists might not agree on the causes of the bat die-off, but they do agree on the conse- quences. Bats are an important predator of mosquitoes:a single brown bat can eat 1,000 or more insects in an hour. They also eat beetles and other insects that damage plant crops.If there aren't enough bats,damage will be great from the insects they eat. While bats live a long time for their size-the little brown bat can live for more than 30 years-a female bat has only one baby per year,so bat populations grow slowly. Many bat species in the United States are already protected or endangered.
How can you help?Do not disturb sleeping or nesting bats.If you discover bats that seem to be sick or that are dead,contact your local Fish& Wildlife Department with the details.However, be careful not to touch the animals.
A: diseases that kill bats
B: insects that bats eat
C: animals that have diseases
D: bat species that are starving to death
共用题干
Late-night Drinking
Coffee lovers,be careful. Having a quick “pick-me-up” cup of coffee late in the day will interrupt your sleep. As well as being a stimulant(兴奋剂),caffeine interrupts the flow of melatonin(褪黑激素),the brain hormone that sends people into a sleep.
Melatonin levels normally start to rise about two hours before bedtime. Levels then peak between 2 am and 4 am, before falling again.“It's the neurohormone(神经激素)that con-trols our sleep and tells our body when to sleep and when to wake,”says Maurice Ohayon of the Stanford Sleep Epidemiology Research Center at Stanford University in California. But researchers in Israel have found that caffeinated coffee halves the body's levels of this sleep hormone.
Lotan Shilo and a team at the Sapir Medical Center in Tel Aviv University found that six volunteers slept less well after a cup of caffeinated coffee than after drinking the same amount of decaf(脱咖啡因咖啡).On average, subjects slept 336 minutes per night after drinking caffeinated coffee,compared with 415 minutes after decaf. They also took half an hour to drop off,twice as long as usual.
In the second phase of the experiment,the researchers woke the volunteers every three hours and asked them to give a urine(尿)sample. Shilo measured concentrations of a break-down product of melatonin. The results suggest that melatonin concentrations in caffeine drinkers were half those in decaf drinkers. In a paper accepted for publication in Sleep Medi-cine,the researchers suggest that caffeine blocks production of the enzyme(酶)that drives melatonin production.
Because it can take many hours to eliminate caffeine from the body. Ohayon recommends that coffee lovers switch to decaf after lunch.
The experiment mentioned in paragraph 4 finds that caffeine drinkers______.
A: produce less melatonin
B: sleep longer than decaf drinkers
C: produce more urine at night
D: wake up every three hours
The Vatican is famous for its magnificent church towers.
A:ancient
B:old
C:modem
D:splendid
共用题干
第一篇
Sprained(扭伤)Ankle
One of the most common injuries teenagers and adults experience is a sprained ankle.A sprain occurs
when the ligaments(韧带)of a joint are twisted(扭伤)and possibly torn. Ligaments are bands of fibers that
hold the bones of a joint in position.A sprain can occur from a sudden twisting at the joint,or a stretching or
tearing of the fibers of the ligaments. The injured area usually swells(肿胀)and becomes black and blue.
Stepping off the sidewalk at the wrong angle or having one foot land in a hole while walking or running can
leave you rolling on the ground in pain with an ankle on fire!If you cannot walk without experiencing intense
pain,you must seek medical help.If the pain is manageable,and you can walk,here are three words to help
you remember how to treat yourself:
●Elevate(抬高)
●Cool
●Bandage(打绷带)
As soon as there is injury to that ligament,there will be a certain amount of bleeding under the skin.
Once the blood pools around the damaged blood vessels,swelling occurs.The pressure from the swelling
results in additional stress and tenderness to the region.In order to reduce the degree of swelling,lie down as
soon as possible and keep the ankle elevated so that it is actually higher than your heart.Next,to reduce
blood distribution and keep bleeding(流血)to a minimum, apply a cold pack. After 20 minutes, take the
pack off,wait half an hour and then reapply.This can be done several times a day for a total of three
days.
Never leave a cold pack on for more than 20 minutes at a time.Reducing the temperature in that area for
an extended period of time signals the body to increase blood flow to raise the body temperature!Therefore,
one accidentally triggers(引起)more blood distribution to the affected area by leaving a cold pack on for too
long!Finally,bandage the ankle.Be careful not to wind it too tightly;doing so can restrict blood flow and
cause harm to the entire foot.
Once the initial cold pack is removed,what is to be done?
A:Wait 30 minutes and then reapply the ice pack for 20 minutes.
B:Begin bandaging the ankle.
C:Keep the ankle in a position lower than your heart.
D:Wait 20 minutes and then reapply the ice pack for 30 minutes.

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