正确答案: A

坚持对外开放的基本国策

题目：图7启示我国发展经济必须

解析：A

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学习资料的答案和解析：

[单选题]阅读下面的文言文，完成9—12题。卖酒者传

贫者立券还之 立：订立

[单选题]EAll too often , a choice that seems sustainable（可持续的）turns out on closer examination to be problematic. Probably the best example is the rush to produce ethanol（乙醇）for fuel from corn . Corn is a renewable resource —you can harvest it and grow more, almost limitlessly . So replacing gas with corn ethanol seems like a great idea .

The greater need for farmland.

[单选题]Which of the following can best summarize the main idea of the passage?

A new software provides a means to reduce laptop theft.

[单选题]

B． problem C． use D． bottom

helpB． problem

[单选题]

selfish

[单选题]石耳、石蕊和冰岛衣含有较高的糖类，可以食用。( )

正确