Many difficulties have ______ as a result of the overuse of coalA．risenB．arisenC
题型：不详难度：来源：
Many difficulties have ______ as a result of the overuse of coal| A．risen | B．arisen | C．raised | D．arose |
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答案
| B |
解析
| 这几个词的区别在于：raise是及物动词，后面一定要加宾语。 而rise是不及物动词，后面不能加宾语。另外，rise可以表示太阳的升起，比如日出：sun rise；不仅如此，在美国英语中，常用rise表示起立或着起床。 arise表示“出现，产生”，一般指不好的事情。比如，危险出现了，不好的后果产生了，可以用这个词。根据题意由于过度使用煤炭,许多困难产生了.选B. |
举一反三
My friend hasn’t _____ till now——I hope she isn’t ill.| A．come up | B．made up | C．gone up | D．turned up |
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Take an umbrella to ______you from the rain, which may ___you from taking a walk.| A．protect; stop | B．protect; protect | | C．prevent; protect | D．prevent; keep |
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| _______out papers to be thrown away and put the rest back. |
It was hunger that his great-grandfather amd grandfather _________.| A．died of | B．died out | C．died down | D．died away |
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--Why did the police ______________the crowd?
---Because the president’s car __________in the street.| A．break down; broke down | B．break up; broke up | | C．break down; broke up | D．break up; broke down |
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