I wasn’t aware of this before, but recent research _____ that eating too much fa
题型：不详难度：来源：
I wasn’t aware of this before, but recent research _____ that eating too much fat can contribute to heart disease. | A．has shown | B．will show | C．was showing | D．showed |
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答案
| A |
解析
| 本题考查时态。根据句意：我以前没有意识到这一点，但最近的研究已经表明：吃太多的脂肪可能导致心脏病。recent research故用现在完成时态。 |
举一反三
---What’s wrong with you, Mr. Keller?
--- I’ve had a very bad headache for two days. At first, I ______ I caught a cold, but the medicine ______.| A．thought, hasn’t worked | B．had thought, didn’t work | | C．thought, hadn’t worked | D．have thought, hasn’t worked |
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---What ‘s the matter with you?
--- You _____ my heart.
- -- But I didn’t mean to hurt you.| A．broke | B．are breaking | C．had broken | D．have broken |
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A great number of reporters _________ to London to report the 30th Olympic Games.| A．is invited | B．are invited | C．will invite | D．will be invited |
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Three fourths of the homework _________ today.| A．has done | B．has been done | C．have done | D．have been done |
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-Sorry for keeping you waiting.
-Never mind. I________ here only a few minutes.| A．came | B．come | C．was | D．have been |
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