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【单选题】
的收缩比例约为多少?A.
20%左右
B.
18%左右
C.
16%左右
D.
15%左右
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反馈参考答案：
举一反三
【简答题】设f(x)=x-arctanx，则当x＞0时( )． (A)arctanx＜x (B)f(x)单调递减 (C)arctanx＞x (D)以上都不对
【简答题】Thereafter, we waved to each other in a friendly greeting when I passed his shop every day. At first I went in only when I had repair work to be done. Then I found myself lingering in his store or dro...
【简答题】Section B 20140601-secb.mp3: Passage one Questions 16 to 18 are based on the passage you have just heard. 16. A) One fifth of them were on bad terms with their sisters and brothers. B) About one eight...
【单选题】Ken and I met and saw each other just three times before he left for Vietnam. He never gave me flowers or candy. There were no moonlight walks, no lingering good-byes on the front porch. Our courtship...
A.
some examples of conventional customs
B.
an intimate friendship
C.
a special relationship
D.
an ordinary acquaintance
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