欧盟REACH法规（1907/2006/EC）的生效时间是（）。
A、2006年12月28日
B、2007年6月1日
C、2008年6月1日
D、2008年12月1日
日负荷图
__________ reasons for my decisionto become a university professor, my father’s advice was __________ mostimportant one A:lack
B:load
C:question
D:which
B:load
C:question
D:which
I wonder _______ you would like to come to my birthday party . A:some chickens
B:a chicken
C:some chicken
D:any chicken;
B:a chicken
C:some chicken
D:any chicken;
______ not only you but also Jack going to China next week[ ] A: Are
B: Is
C: Were
D: Was
B: Is
C: Were
D: Was
lly speaking, clothing made ofman-made is less superior than_____made of natural fibers like cotton wool orsilk A:if
B:weather
C:what
D:that
B:weather
C:what
D:that
My son is old enough to ___ himself. He likes ___ blue, but this morning he __ his white T-shirt when he got up. A:wear; put on; dress
B:dress; wearing; puts on
C:dress; wearing; put on
D:wear; dressing; put on;
B:dress; wearing; puts on
C:dress; wearing; put on
D:wear; dressing; put on;
Did you go to the cinema last night—Oh, no. I _______ go to the cinema. The tickets, you know, are too expensive. A:always
B:hardly
C:usually
D:Often;
B:hardly
C:usually
D:Often;
One is expected to behave _________ on some special occasions A:which
B:whom
C:whose
D:that
B:whom
C:whose
D:that
The computer was used in teaching. As a result, not only _____, butstudents became more interested in the lessons. A:while
B:the fees asked for are lower than those of Taiwan
C:there are many famous universities for them to choose
D:was saved teachers’energy
B:the fees asked for are lower than those of Taiwan
C:there are many famous universities for them to choose
D:was saved teachers’energy
saster-stricken village was inaccessible_______ by helicopter, and the storm added to the rescuers’ difficulty. A:insteadof
B:otherthan
C:rather than
D:regardless of
B:otherthan
C:rather than
D:regardless of
Do you know where the headmaster is I have something urgent. —Oh, he ____ have gone far, for the computer is still on in the office. A:won’t
B:mustn’t
C:can’t
D:wouldn’t
B:mustn’t
C:can’t
D:wouldn’t
The terrible earthquake struck the southwest of the country last week, ________ 6 deaths and hundreds of injuries. A:causing
B:to cause
C:caused
D:having caused
B:to cause
C:caused
D:having caused
the unreasonable individual income _______,the gap between the rich and poor has become an outstanding issue A:when
B:where
C:which
D:whom
B:where
C:which
D:whom
If nature does not provide man with the necessary material, it is the laboratory ____ he will turn to for it. [ ] A: where
B: that
C: which
D: what
B: that
C: which
D: what