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【单选题】
Which of the following is true as to the essential functions of the U.N. ?A.
It's only concerned with human rights.
B.
It only solves economic and cultural problems.
C.
It co-ordinates actions of' nations where necessary.
D.
It only aims to develop friendly relations.
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举一反三
【单选题】纤维素、纤维素酶、纤维素酶基因的基本组成单位分别是 ( )。 A. 葡萄糖、葡萄糖和氨基酸 B. 葡萄糖、氨基酸和脱氧核苷酸 C.氨基酸、氨基酸和脱氧核苷酸 D.淀粉、蛋白质和DNA
A.
1
B.
2
C.
3
D.
4
【单选题】Judge the rhetorica devices used in the following sentences (修辞判断). Most American remember Mark Twain as the father of Tom Sawyer
A.
simile
B.
metaphor
C.
metonym
D.
hyperbole
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