A.means
B.meanings
C.significance
D.senses
下列说法中正确的是（）
A.Cl2有毒，Cl－也有毒
B.Cl2和Cl－都是黄绿色
C.Cl2既可作氧化剂，又可作还原剂
D.干燥的Cl2可使红色布条褪色
Student A：How come you eat so little？Student B：I gained a few pounds this summer．
A.1，m on a diet
B.I don’t want to eat so mueh
C.1’m not hungry
D.I have no appetite
Dominic iS the most______pupil in the class．
A.industrial
B.indulgent
C.diligent
D.industry
A
A greenhouse is a building made of glass which is used for keeping plants warm when the outside temperature is how．In a similar way there are several gases in the atmosphere which trap(捕捉)the heat produced by the sun and prevent it from escaping．These gases are known as“greenhouse gases“，and the way in which they trap heat in the atmosphere is called the “greenhouse effect”．This is not simply air pollution．Most of the main greenhouse gases exist naturally in small amounts in our atmosphere．And without them earth would be 30 degrees colder and human life would not exist．In other words，the greenhouse effect is a natural course which is to some degree helpful to us．
The problem is that in the last century and a half．we have been putting too many 0f these gases into the earth’s atmosphere by burning large quantities of coal and oil and by cutting down forests．The rapid increase in greenhouse gases is making the world warmer．The world&39;s temperature has already gone up by half a degree this century，and the sea level has risen by lo centimetres．If the amount of carbon dioxide(二氧化碳)in the atmosphere doubles，there will probably be a rise in the earth’s temperature of between l and 4 degrees．This may seem a small in—crease，but it would be enough to cause major changes in geography and agriculture．Large areas of the world would be flooded．and some areas would become dry and unable to produce crops．It is important，too，to consider that there may be a delay of about 30 years in the greenhouse effect．This means that we’re probably experiencing only now the effect of the gases put into the atmosphere before the l960s．Since then，our use of these gases has greatly increased.
“Greenhouse effect”means________．
A.a natural course which is to some degree helpful to us
B.the way in which gases are used for keeping plants warm
C.the way“greenhouse gases”trap heat on the earth
D.the whole course in which greenhouse gases prevent heat
If there were no greenhouse effect，________．A.earth would be thirty degrees colder
B.all of the above answers are correct
C.man could not live on the earth
D.no plants would grow oil oui planet
Which of the following is NOT true？________A.The temperature in a greenhouse is as high as that in the atmosphere
B.It has become warmer on the earth now than in the past
C.Gases put into the atmosphere now will affect the earth years later
D.Burning too much coal and oil produces lots of greenhouse gases
Suppose the earth’s temperature rose by 3 degrees，________．A.all the land in the World would be flooded
B.crops would be unable to grow on the earth
C.great harm would be done to mankind
D.the sea level would go by lo centimetres
请帮忙给出每个问题的正确答案和分析，谢谢！
Our children and grandchildren____ if we don’t look after our planet．
A.endure
B.suffer
C.tolerate
D.bear
？？
阅读下面的现代文，完成1-4题。
中国文化中极其夺目的一个部分可称之为"贬官文化"。随之而来，许多文化遗迹也就是贬官行迹。贬官失了宠，摔了跤，孤零零的，悲剧意识也就爬上了心头；贬到了外头，这里走走，那里看看，只好与山水亲热。这一来，文章有了，诗词也有了，而且往往写得不坏。过了一个时候，或过了一个朝代，事过境迁，连朝廷也觉得此人不错，恢复名誉。于是人品与文品双全，传之史册，诵之后人。他们亲热过的山水亭阁，也便成了遗迹。地因人传，人因地传，两相帮衬，俱著声名。例子太多了。
这次去洞庭湖，一见岳阳楼，心头便想：又是它了。1046年，范仲淹倡导变革被贬，恰逢另一位贬在岳阳的朋友滕子京重修岳阳楼，要他写一篇游记，他便借楼写湖，凭湖抒怀，写出了那篇著名的《岳阳楼记》。直到今天，大多数游客都是先从这篇文章中知道有这么一个楼的。文章中"先天下之忧而忧，后天下之乐而乐"这句话，已成为一般中国人都能随口吐出的熟语。不知哪年哪月，此景此楼，已被这篇文章重新构建。文章开头曾称颂此楼"北通巫峡，南极潇湘"，于是人们在楼的南北两方各立一个门坊，上刻这两句话。进得楼内，巨幅木刻中堂，即是这篇文章，书法厚重畅丽，洒以绿粉，古色古香。其他后人题咏，心思全围着这篇文章。这也算是个有趣的奇事：先是景观被写入文章，再是文章化作了景观。借之现代用语，或许可说，是文化和自然的互相生成罢。在这里，中国文学的力量倒显得特别强大
范仲淹确实是文章好手，他用与洞庭湖波涛差不多的节奏，把写景的文势张扬得滚滚滔滔。游人仰头读完《岳阳楼记》的中堂，转过身来，眼前就会翻卷出两层浪涛，耳边的轰鸣也更加响亮。范仲淹趁势突进，猛地递出一句先忧后乐的哲言，让人们在气势的卷带中完全吞纳。于是，浩淼的洞庭湖，一下子成了文人骚客胸襟的替身。人们对着它，想人生，思荣辱，知使命，游历一次，便是一次修身养性。胸襟大了，洞庭湖小。但是，洞庭湖没有这般小。范仲淹从洞庭湖讲到了天下，还小吗？比之心胸狭隘的文人学子，他的气概确也令人惊叹，但他所说的天下，毕竟只是他胸中的天下。大一统的天下，再大也是小的。普天之下，莫非王土。于是，忧耶乐耶，也是丹墀金銮的有限度延伸，大不到哪里去。在这里，儒家的天下意识，比之于中国文化本来具有的宇宙意识，逼仄得多了。而洞庭湖，则是一个小小的宇宙。
你看，正这么想着呢，范仲淹身后，就闪出了吕洞宾。岳阳楼旁侧，躲着一座三醉亭，说是这位吕仙人老来这儿，弄弄鹤，喝喝酒，可惜人们都不认识他，他便写下了一首诗在岳阳楼上：朝游北海暮苍梧，袖里青蛇胆气粗。三醉岳阳人不识，郎吟飞过洞庭湖。他是唐人，题诗当然比范仲淹早。但范文一出，把他的行迹掩盖了，后人不平，另建三醉亭，祭祀这位道家始祖。若把范文吕诗放在一起读，真是有点"秀才遇到兵"的味道，端庄与顽泼、执著与旷达、悲壮与滑稽，格格不入。但是，对着这么大个洞庭湖，难道就许范仲淹的朗声悲抒，就不许吕洞宾的仙风道骨？中国文化，本不是一种音符。吕洞宾的青蛇、酒气、纵笑，把一个洞庭湖搅得神神乎乎。至少，想着他，后人就会跳出范仲淹，去捉摸这个奇怪的湖。一个游人写下一幅著名的长联，现也镌于楼中：一楼何奇，杜少陵五言绝唱，范希文两字关情，滕子京百废俱兴，吕纯阳三过必醉。诗耶？儒耶？吏耶？仙耶？前不见古人，使我怆然涕下。诸君试看，洞庭湖南极潇湘，扬子江北通巫峡，巴陵山西来爽气，岳州城东道岩疆。潴者，流者，峙者，镇者，此中有真意，问谁领会得来？他就把一个洞庭湖的复杂性、神秘性、难解性，写出来了。眼界宏阔，意象纷杂，简直有现代派的意韵。
联系后文，第一段中提到的“贬官文化”，具体说就是指：(不超过35字)
试举两例：
①
②
？？
？？？？作者说"洞庭湖小了"是因为(不超过30字)
作者又说"洞庭湖没有这般小"，因为？？？？
？？下列说法中，理解分析不正确的是()？？
A.文章以"贬官文化"起笔，旨在引出范仲淹及其《岳阳楼记》，再引出洞庭湖，与文章主旨关系不大。
B.自范仲淹始，洞庭湖成为文化胜迹，引人遐思。
C.文章对范仲淹的胸襟气度是持保留态度的赞叹。
D.文章继范后写到吕洞宾，旨在表明范文一出，给洞庭湖留下了一笔文化遗产，但也局限了人们的思维和目光。
E.引用的长联是后人对洞庭湖蕴含的文化内涵进行深沉思索的佐证。
洞庭湖为什么是一个让人们捉摸的"奇怪的湖"？(不超过30字)
请帮忙给出每个问题的正确答案和分析，谢谢！
The purpose of the study is____ ．
A.to look at the link between alcohol and stroke
B.to advise non．drinkers to make a start
C.to encourage light drinkers to become heavy drinkers
D.to promote the sale of alcohol
A.it
B.that
C.which
D.where
Jiang：Which do you______，wine or spirits？Green：I‘d like to have a little wine first．
A.like
B.enjoy
C.prefer
D.taste
右图为四条气温年变化曲线，关于该图的描述，正确的是（）
A.①曲线表示巴西亚马孙平原气温变化
B.②曲线表示俄罗斯莫斯科的气温变化
C.③曲线表示澳大利亚悉尼的气温变化
D.④曲线表示美国纽约的气温变化
华北地区发展经济的主要限制因素是（）
A.矿产资源
B.地形条件
C.交通条件
D.水资源
Which of the following is NOT true during Kennedy’S administration？
A.More people are entitled to political participation．
B.Kennedy witnessed his country’S failure in attempting to invade Cuba．
C.The missile crisis with Russia started a war between the‘two countries．
D.American people enjoyed a wider range of civil rights．
下列词语中，没有错别字的一组是（）
A.羞赧谩骂穷形尽相打报不平
B.精减暴躁嘉言懿行株连九族
C.拌嘴领袖莹火晚会家徒四壁
D.谙熟鉴谅入不付出两全其美
______，the police would have caught the criminal earlier．
A.Had they received the clue in time
B.If they received the clue in time
C.They had received the clue in time
D.Did they receive the clue in time