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题目
题型:不详难度:来源:
Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.
A.disappearedB.disappearingC.disappearD.having disappeared

答案
B
解析
考察非谓语动词用法。Rare species与disappear构成主动关系,所以使用现在分词。D项是完成式,本句没有体现出已经完成,故B正确。
核心考点
试题【Rare species in the world, ______ by hundreds every year, must be jointly preser】;主要考察你对现在分词等知识点的理解。[详细]
举一反三
Sometimes I’m dying ______ him about it.
A.tellB.to tellC.tellingD.of telling

题型:不详难度:| 查看答案
________ in a red dress, she was easy to _______ in the big crowd.
A.Being dressed; pick outB.Dressed; pick out
C.Dressed; be picked outD.Having dressed; pick out

题型:不详难度:| 查看答案
Sarah pretended to be cheerful,            nothing about the argument.
A.saysB.saidC.to sayD.saying

题型:不详难度:| 查看答案
It was ______ the president"s speech that the secretary spent the whole morning at home.
A.to prepareB.preparingC.preparedD.be prepared

题型:不详难度:| 查看答案
________ for not keeping his promise,Gary hung his head in shame.
A.BlamedB.To be blamedC.BlamingD.To blame

题型:不详难度:| 查看答案
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