A new technique ____ out, the yields (收成) increased by 20% .A．having workingB．ha - 高中英语试题 - 超级试练试题库

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题型：不详难度：来源：

A new technique ____ out, the yields (收成) increased by 20% .

A．having working	B．having been working
C．has worked	D．had been worked

答案

解析

根据逗号分开可知空白处不能填入谓语动词，A项从形式上就不对，根据语境应该用现在分词的完成式，此处work out表示“产生结果；有预期的结果，发展为”例如:I wonder how their ideas worked out in practice?我很想知道他们的想法在实践中取得了什么结果。

核心考点

试题【A new technique ____ out, the yields (收成) increased by 20% .A．having workingB．ha】；主要考察你对现在分词等知识点的理解。[详细]

举一反三

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A．Wanting the job very much	B．Although wanting the job badly	C．Though he wanted the job very much
D．He wanted the job badly

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　　—Don’t speak until_______.

A．speaking

B．spoken to

C．spoken

D．speaking to

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A．as if found

B．as to find

C．as if to find

D．when found

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A．when heated

B．heating

C．though to be heated

D．when is heated

题型：不详难度：| 查看答案

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A．offering

B．to offer

C．to be offered

D．offered

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