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單項選擇題

It is a type of desert bush that can （） extremes of temperature.

A.adapt
B.withdraw
C.withstand
D.shade

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單項選擇題

Since many insects have already become（）to DDT, scientists have to look for some new insecticide

A.active
B.resistant
C.tough
D.gradual

單項選擇題

His parents no longer worry about him. He has a good job and can live（）his own now.

A.at
B.by
C.on
D.with

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