The doctor said jokingly that his own infection of the virus _______ the discove
题型：不详难度：来源：
The doctor said jokingly that his own infection of the virus _______ the discovery of a vaccine (疫苗)of the disease.| A．stood for | B．called for | C．paid for | D．contributed to |
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答案
| D |
解析
| 短语辨析。A.代表 B. 呼吁 C. 为……付出代价 D.导致。句意：医生开玩笑的说，他自己被病毒的感染导致发现了这种病毒的疫苗。故选D。 |
举一反三
His son __________ the old man with all the food and the money he needed.| A．provided | B．fed | C．afforded | D．charged |
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They always communicated with each other on the Internet, but they never met him _______. | A．back to back | B．heart to heart | C．face to face | D．side to side |
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Our classmates _________ the losing team of our class and our team won the game at last. | A．brought up | B．cheered up | C．grew up | D．turned up |
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I’ve _______ to swim last week. But unfortunately I had a bad cold and therefore couldn’t go. | A．refused | B．saved | C．intended | D．managed |
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There were so many people shopping in the mall that we _______ soon after we entered it.| A．got lost | B．got involved | C．got separated | D．got concerned |
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