We learn from the passage that coordinated efforts will be m

We learn from the passage that coordinated efforts will be made by various U.S.

分类：英语四级  题型：单选题
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Many gifted people attributed their success ________.

Many gifted people attributed their success ________.A．less to their systematic

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We may infer from the passage that future therapeutic uses o

We may infer from the passage that future therapeutic uses of stem cells will be

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Theauthorbelievesthataviciouscirclecanturnintoavirtuouscircl

Theauthorbelievesthataviciouscirclecanturnintoavirtuouscirclewhen________.A．wome

分类：英语四级  题型：单选题
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肺的静态顺应性越大，表示（　　）

肺的静态顺应性越大，表示（　　）A．肺的弹性阻力大，肺扩张程度小 B．肺的弹性阻力小，肺扩张程度小 C．肺的非弹性阻力大，肺扩张程度大 D．肺的弹性阻力小，肺扩

分类：英语四级  题型：单选题
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