The preservation of embryos and juveniles is a ______ occurrence in the fossil re-cord.

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问题 The preservation of embryos and juveniles is a ______ occurrence in the fossil re-cord.

选项 A、scarce
B、lack
C、rare
D、short

答案C

解析 scarce稀少的，不足的，指一般有用而又不足的东西，常用作表语；lack“缺乏的，缺少的，短缺的(of)”；rare“稀少的，稀薄的，极好的，珍奇的”，常用来指罕见而可能是珍贵的东西；short“缺乏的，不足的”，其固定搭配为be short of sth.，主要用来表示缺乏物体、物质等具体的东西。表示缺乏抽象东西时，要用lack和be lacking in sth.，如The teacher said that

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The preservation of embryos and juveniles is a ______ occurrence in the fossil re-cord.

成人本科学位英语

Duringrecentyearswehaveheardmuchabout"race":howthisracedoescertainthingsandthatracebelievescertainthingsand

Largeamountsoffoodimportsplacedagreatstrain(沉重负担)onthecountry’sgold

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Man:IthinkI’mgoingtogiveupplayingtennis.Ilostagaintoday.Woman:Justbecauseyoulost?Isthatthereasontoquit?

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下列旅游法律行为中，属于有偿的旅游法律行为的是()。

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