Itpuzzlesthescientistssomemamm

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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

It puzzles the scientists _____ some mammals produce their young _____ others lay eggs．

A．that; while

B．what; while

C．that; as

D．what; as

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相关试题

Awarded ______ 2012 Nobel Prize in Literature, Mo Yan, ______ productive contemporary Chinese writer, has published dozens of short stories related to the countryside.

A．a; a

B．the; a

C．不填; a

D．a; the

题型：未知
难度：未知

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If you don’t speak good English,you will be at a big when you try to get a good job.

A．disadvantage

B．loss

C．bend

D．shortcoming

题型：未知
难度：未知

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An earthquake left the whole town .

A．as usual

B．in the end

C．at an end

D．in ruins

题型：未知
难度：未知

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It’s clear that global warming will lead to crop failures and weather.

A．dusty

B．useless

C．stubborn

D．extreme

题型：未知
难度：未知

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By carefully questioning,they managed to the information they were looking for.

A．burst out

B．break out

C．dig out

D．give out

题型：未知
难度：未知

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