Children will work actively if_________________.A．praiseB．praisedC．praisingD．to
题型：不详难度：来源：
Children will work actively if_________________.| A．praise | B．praised | C．praising | D．to praise |
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答案
| B |
解析
主要测试非谓语动词。错因分析有些考生会认为if后要用动词-ing形式，或用不定式表示还未发生的行为，于是误选C或D。其实，这是条件状语从句的省略形式，根据主语与动词的关系可知，孩子们受到表扬，于是正确答案选B。
在时间、条件、让步、比较等状语从句中，当从句的主语与主句的主语一致，且谓语部分含有be动词时，则可将从句的主语与be动词同时省略。如：
The old man will be very excited when talking (="he" is talking) about his past experiences. She will be unhappy if (she is) criticized. |
举一反三
---Does your brother always work so hard?
---Yes.______ he catches a cold or has a fever sometimes| A．whenever | B．no matter how | C．even though | D．although |
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_______, Mary talks a lot about her favorite singers after class. | A．A quiet student as she may be | B．Quiet student as she may be | | C．Be a quiet student as she may | D．Quiet as she may be a student |
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Among the films being nominated （提名）_____directed by Zhang Yimou.| A．one is popular | B．is as popular | | C．a popular film | D．is a popular film |
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got on the train when it began to move．| A．No sooner had I | B．I had no sooner | | C．Hardly had I | D．I hardly had |
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___as he was, he felt very ____.| A．Wealth, alone | B．Wealth, lonely | C．Wealthy, lonely | D．Wealthy, alone |
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