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问题 单项选择题

在任何焊接位置（）和电弧气体的吹力都有利于熔滴金属的过渡。

A.重力

B.表面张力

C.电磁压缩力

答案

参考答案：C

综合

读图中所示的地区，结合所学的知识，完成下列问题。

（1）完成图中水循环的环节，并将人类能够影响的环节在图上标出。图中的水循环最强烈的季节是         季，理由是                                       。

（2）图中A处的主要资源是                   ，这种资源在开发利用中存在的主要问题是什么？应该采取什么措施？

（3）B岛近年来面积扩大的趋势减缓，试分析原因。
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填空题

Questions 14-18


·Using the information in the text, complete each sentence 14-18 with a word or phrase from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet.
·Do not mark any letter twice.
14. The early settlers in American ______.
15. The passage suggests that the war between French and Indians lasted ______.
16. The kind of life Indians lead in their reservation is ______.
17. The two measures that Indians had taken to improve their lives are ______.
18. From the passage, we can infer that the author ______.
  • A. sympathizes the American Indians
  • B. eighteen years
  • C. found the Indians very helpful
  • D. taking a militant stand and appealing to the courts
  • E. notoriously deprived
  • F. ask the Indians to leave their lands
  • G. force the Indians to leave
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