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【单选题】
蛋白质变性的本质是A.
一级结构的改变
B.
二级结构的改变
C.
空间结构的改变
D.
蛋白质的分解
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举一反三
【单选题】Speaker A: Would you mind if I use your pen for a while? Speaker B :__________
A.
Yes. By all means.
B.
No. By no means.
C.
No. It' s my pleasure.
D.
No. Most unwillingly.
【单选题】The speaker makes the comparison with Japan to show______.
A.
the different use of bicycling
B.
the important use of bicycling
C.
the influence of bicycling on economy
D.
the part bicycling can play in economy
【简答题】将下列对数式改写成指数式: (1) (2) (3)
【简答题】将下列指数式改写成对数式 (1) (2) (3)
【单选题】Speaker A: Which search engine do you usually use ? Speaker B: ___________________________________
A.
I like computer games
B.
I often use Wechat .
C.
I often use Google .
【简答题】将下列对数式改写成指数式 (1) (2)
【单选题】Which of the following is NOT a reason for the speaker to use language clearly?
A.
none of the above
B.
A speaker’s meaning must be immediately comprehensible because listeners are far from the speaker.
C.
A speaker’s meaning must be immediately comprehensible because listeners cannot turn to a dictionary to discover their meaning.
D.
A speaker’s meaning must be immediately comprehensible because listeners cannot reread an author’s words to discover their meaning.
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