人类行为一直处于变化之中，而这种变化既有来自身体素质也包括由于社会生活条件造成的行为改变，这是指人类行为的()。
A. 可控性
B. 指向性
C. 动态性
D. 多样性
E. 适应性
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Which of the following is true of Paul Revere？
A. He was very interested in politics.
B. He got a relative to help him.
C. He fought the British himself.
D. He told the people about the coming enemy.
In the US, thin is "in", fat is "out". This means______.
A. thin is "inside", fat is "outside"
B. thin is "diligent", fat is "lazy"
C. thin is "fashionable", fat is "unfashionable"
D. thin is "spiritless", fat is "vigorous"
发展出成熟的性特征，与异性建立亲密关系，这是指()。
A. 口唇期
B. 肛门期
C. 性器期
D. 潜伏期
E. 生殖期
The descendants of prominent families have to learn to protect their privacy in one way or
A. eminent
B. affluent
C. thrifty
D. considerable
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