Remove the batteries when they become weak or when the unit is not in use for extended periods. This will           damage to the unit from battery leakage at such times.   

A．disappoint

B．concern

C．instruct

D．prevent

 

【答案】

D

【解析】略

 

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14.               A．singing         B．running        C．jumping   D．trying

 

15.               A．responsible     B．grateful        C．a(chǎn)nxious   D．famous

 

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下面是一篇應(yīng)用文及其應(yīng)用場(chǎng)合的信息，請(qǐng)閱讀下列應(yīng)用文和相關(guān)信息，并按照要求匹配信息。選項(xiàng)中有一項(xiàng)是多余的。

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