The professor devoted all his life ____the treatment of AIDS．A to research
题型：不详难度：来源：
The professor devoted all his life ____the treatment of AIDS．
A to research B．in researchingC．to researching D．at researching |
答案
| C |
解析
| 短语devote….to “专心于”to为介词后接动名词。句意：教授把他的一生都致力于艾滋病的治疗。 |
举一反三
The fat woman sat at the table, her eyes _____ on the rich food on the plates.| A．having fixed | B．are being fixed | C．fixed | D．are fixing |
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_______the room，I found my cat lying on the floor，dying．| A．To enter | B．Enter | C．Entering | D．Entered |
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___ H1N1 flu from spreading, our government has taken some effective measures.| A．Prevent | B．Preventing | C．Prevented | D．To prevent |
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You’ve made Jenny _______, so you must be careful when ________ her.| A．annoy; meet | B．annoying; met | C．annoyed; meeting | D．to annoy; meeting |
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The poor peasant seized him ______ the leg, _______.
| A．on; begged | B．in; begging | C．by; begging | D．at; begged |
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