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The dead rate is pigs and recovery usually within 7-10 days.A.low in; occursB.ri

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The dead rate is pigs and recovery usually within 7-10 days.A.low in; occursB.ri

The dead rate is _____ pigs and recovery usually ______ within 7-10 days.

A.low in; occurs

B.rich in;happens

C.high in; came about

D.poor in;took place

试题答案

A

考查形容词短语和动词词义辨析。句意; 猪的死亡率较低,且通常能在7至10天内痊愈。依据语境,分析后句恢复较快,所以死亡率就不会很高,B,C前空不合适;occur发生,指时间短,突然之意符合句意。