.The behavior of this animal in hot weather is a ______that scientists are finding difficult to solv

题目

.The behavior of this animal in hot weather is a ______that scientists are finding difficult to solve.（ ）
A.myth x05B.mystery
C.disputex05D.fantasy
It was a shrewd move______ to buy the house just before property prices started to rise.
（ ）
A.on her part x05B.at hand
C.at her expensex05D.on record
麻烦说一下为什么好不？

答案

B 秘密：动物在炎热天气下的行为是一个秘密
A 对她来说：这对她来说是一个精明的举动,在房价上涨之前购买了……
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