单选题：Because of harsh weather conditions, more than a dozen state

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题目内容：

Because of harsh weather conditions, more than a dozen states in the United States were declared disaster areas in 1977. A．severe
B．bizarre
C．moist
D．improbable

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At first glance, a forest appears to be a haphazard collecti

At first glance, a forest appears to be a haphazard collection of trees, shrubs,

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Organic chemistry helps to produce materials that are_______

Organic chemistry helps to produce materials that are________A．as good as wool B

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Rock climbing is hazardous.

Rock climbing is hazardous.A．interesting B．dangerous C．attractive D．useful

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Paragraph 5 ________

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西部大开发战略关于成渝经济区战略定位的说法有（　　）。

西部大开发战略关于成渝经济区战略定位的说法有（　　）。A．西部地区重要的经济中心 B．全国金融中心 C．深化内陆开放的试验区 D．统筹城乡发展的示范区 E．长江

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