The elderly need special care in winter,as they are to the sudden change of weather. A.sensitive B.sensible C.flexible D.positive 简析:选A.全句意为:“老人们在冬天需要特殊照料.因为他们对气候的突变很敏感. 根据此句意.应首先排除flexible和positive,sensible意为“明智的,明显的 .sensitive意为“敏感的,易察觉的 .常用句型为“sb.be sensitive to something . 查看更多

 

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There is no light in the dormitory .They must have gone to the lecture,_____?(2004 上海春,31)

A.didn’t they    B.don’t they

C.mustn’t they     D.haven’t they

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