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问题 多项选择题

《神华集团露天煤矿本质安全管理考核评分标准》中运输道路两侧有落差路段应设置连续的挡墙，并且（）。

A.高度不低于轮胎直径1/5～2/5

B.高度不低于轮胎直径2/5～3/5

C.底部宽度不小于轮胎直径的0.15倍

D.底部宽度不小于轮胎直径的0.95倍

答案

参考答案：B, D

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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单项选择题

我国实施国家信息化，以（）为动力。

A.信息技术应用

B.制度创新和技术创新

C.信息资源开发

D.信息资源利用
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