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[Issue Essay]

试题详情

题目:

Analytical!

选项:

答案:

提问:

@徐小梅老师,徐老师您好,第4)题,我也看到了“至少2人”这个字眼,也是按照至少2人来算的。但我是这么理解的:原来男女共有12个人,先从5个女生中取2个人,保证了至少有两个女生,所以是C5^2; 接着,再让剩下的3个女生和7个男生合并,共10人,取3个人(此时不论男女都可以),是C10^3。然后合起来就是C5^2*C10^3。

解答:

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阅读161752
解答: 徐小梅

提问:

请问这个第一句怎么翻译,what是引导的什么从句?

解答:

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阅读140350
解答: 金栩竹老师

提问:

Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments. (A) due to their enhancement of reproduction or survival, but that they are (B) due to the reproduction or survival they enhance, but they are (C) because they enhance reproduction or survival, but (D) because they enhance reproduction or survival, but are (E) because of enhancing reproduction or survival, but are

解答:

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阅读140348
解答: 王文静老师

提问:

数学,余数问题如何求通项公式?

解答:

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阅读139881
解答: 姜山老师

提问:

for example、such as、include、contain、like的区别

解答:

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阅读140067
解答: 英吉老师

提问:


解答:

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阅读141905
解答: 金栩竹老师

提问:


解答:

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阅读141979
解答: 金栩竹老师

提问:

2

解答:

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阅读141202
解答: 郭培月老师

提问:

as, since和when的用法区别

解答:

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阅读141502
解答: 郭培月老师

提问:

看不懂,错选C

解答:

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阅读139841
解答: sysadmin老师

提问:

正确选项E取非怎么理解(我后来直接加强倒是想懂了)

解答:

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阅读139179
解答: sysadmin老师

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