For some time, Chinese people, under the leadership of CPC, ________ the conten
题型：不详难度：来源：
For some time, Chinese people, under the leadership of CPC, ________ the contents of the Scientific Development Concept in the course of practicing socialism in China.| A．had been improving | B．have been improving | | C．were improving | D．improved |
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答案
| B |
解析
| 考察时态。根据句意可知是指中国人们一直在丰富这科学发展观的内容，故使用现在完成进行时，表示一直在发生的事情。句意：一直以来在中国共产党的领导下，中国人民一直在实践中国特色的社会主义道路上丰富着科学发展观的内容。 |
举一反三
The rate of racial progress varies in different areas of the country, but in the past ten years _________ more improvement.| A．there is | B．it is | C．there have been | D．there has been |
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We were told not to touch the equipment in the laboratory unless ________.| A．allowed to do | B．allowing to do | C．allowed to | D．allowing to |
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Exciting as its special effects are ______, there is too much violence in the film.| A．being watched | B．to be watched | C．watching | D．to watch |
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-—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.| A．am wondering | B．wonder | C．was wondering | D．had wondered |
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The three of us ________ around Europe for about a month last summer.| A．travelled | B．have travelled | C．had travelled | D．travel |
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