单项选择题
A.sensitive B.sentimental C.sensible D.sensational
It is a type of desert bush that can （） extremes of tem...
单项选择题It is a type of desert bush that can （） extremes of temperature.
A.adapt B.withdraw C.withstand D.shade
Since many insects have already become（）to DDT, scienti...
单项选择题Since many insects have already become（）to DDT, scientists have to look for some new insecticide
A.activeB.resistantC.toughD.gradual
His parents no longer worry about him. He has a good jo...
单项选择题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
