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【单选题】
夜盲症是由于缺乏A.
维生素 A
B.
维生素 D
C.
维生素 E
D.
维生素 C
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【简答题】若5 x =12，5 y =4，则5 x －y =_ ______ .
【简答题】若5 x =3，5 y =2，则5 x+y =______．
【简答题】如果4x=5y，那么x：y=______：______．
【简答题】Sociolinguists are interested in 'terms of address' because they offer some socio-cultural information about the type of relationship between the speaker and the hearer.（上外2000年研)
【单选题】Millions of workers in some Asian countries have been ___ as a result of IMF terms.
A.
laid aside
B.
laid back
C.
put away
D.
laid off
【单选题】I know how to make you better, baby. I’ll tell you a story.
A.
fell
B.
to feel
C.
feel
D.
felt
【简答题】My father often works very hard. And he 1 goes to the movies. Here I’ll tell you a 2 story about him. One afternoon, when he finished his work, and 3 go home, he found a film ticket under the glass on...
【单选题】In the first paragraph, the author gives the definitions of some terms in order to______.
A.
argue for the similarities between animal societies and human societies
B.
smooth out the conflicts in human societies
C.
distinguish between two kinds of opposition
D.
summarize the characteristic features of opposition and cooperation
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