单项选择题
A.sanction B.precaution C.shield D.shelter
If a man is easily taken in by emotional traps, he will...
单项选择题If a man is easily taken in by emotional traps, he will not be able to make（）judgments.
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
