______ a good result，the professor decided to do the experiment once more．A．Not
题型：不详难度：来源：
______ a good result，the professor decided to do the experiment once more．| A．Not getting | B．Getting not | C．Not having got | D．Having not got |
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答案
| C |
解析
| 考查非谓语动词。逻辑主语the professor，与have之间为主动关系，故用现在分词，根据句意用其完成式，否定应放在分词前。句意：没有得到好的结果，教授决定再次做这个实验。 |
举一反三
The project is so designed that once _______ nothing can be done to change it．| A．starts | B．having started | C．started | D．starting |
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He hurried to the railway station only that the train had already left.| A．to be told | B．to tell | C．told | D．telling |
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. with the children living in poor area, I have a happy childhood.| A．Compare | B．Compared | C．Comparing | D．To compare |
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. –The maths exam is not difficult, is it?
-- . Even Tom to the top students failed in it.| A．Yes; belongs | B．No; belonged | C．Yes; belonging | D．No; belonging |
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. –Hi, Mary. Would you like to go to the concert this evening?
--Sorry, Tom. Tomorrow’s lessons, I have no time to go out with you.| A．Not preparing | B．Not having prepared | C．Not to prepare | D．Being not prepared |
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