题目内容

感知觉动作发展的关键期是（）。

A. 胎儿期
B. 乳儿期
C. 婴儿期
D. 幼儿期

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

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

心理发展的源泉是（）。

A. 言语的发展
B. 思维的发展
C. 注意的发展
D. 动作的发展

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

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

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