试题与答案

人们很早就已经发现,鳄鱼在吃掉捕获的食物前,往往会流几滴眼泪,于是“鳄鱼的眼泪”被人

题型:单项选择题

题目:

人们很早就已经发现,鳄鱼在吃掉捕获的食物前,往往会流几滴眼泪,于是“鳄鱼的眼泪”被人们用于形容伪善。鳄鱼流泪的原因是()。

A.眼泪均匀覆盖眼球,使眼睛保持良好视力

B.鳄鱼的肾脏发育不完全,需要靠眼睛附近的腺体排除盐分

C.鳄鱼的眼泪可以发出特殊的气味,召唤同类前来捕食猎物

D.鳄鱼进化不完善,唾液腺分泌和泪腺分泌的神经控制系统未完全分离

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

x=0.57y9. If y denotes the thousandth digit in the decimal representation of x above, what digit is y ?()
(1) If x were rounded to the nearest tenth, the result would be 0.6.
(2) If x were rounded to the nearest hundredth, the result would be 0.58.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

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