When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? Harold

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问题 When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things?
Harold Urey and Stanley L. Miller did their experiment in order to ______.

选项 A、dissolve some new chemicals
B、find out what may have happened on the Earth 4 billion years ago
C、simulate bolts of lightning on the ancient Earth
D、analyze a liquid

答案B

解析

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本试题收录于：大学英语三级A级题库大学英语三级分类

大学英语三级A级

大学英语三级

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When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? Harold

大学英语三级A级

大学英语三级

Todayourknowledgeoffoodandwhatitdoesforourbodiesisfarmoreadvancedthanthatoftheoldtimes.Nowweknowaboutv

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A、It’s11:35.B、It’s11:28.C、It’s11:45.D、It’s11:38.D本题的解题关键在于听清but后的部分it’s7minutesahead。男士问女士几点了，女十说：“我的表显示是11:45.但是它快7分

When______difficultproblems,weshouldoftentakeanoptimisticattitude.

TheinformationontheInternetgetsaroundmuchmorerapidlythan______inthenewspaper.

You______leavenow,becausethereisanall-nightbus.

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