H1N1 flu from spreading, our government has taken some effective measures. A．Pre
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____ H1N1 flu from spreading, our governmenthas taken some effective measures.
| A．Prevent | B．Preventing | C．Prevented | D．To prevent |
试题答案
【答案】
D
【解析】本题考查非谓语动词的用法。此处用不定式作状语表示目的，分词作状语一般不表示目的。