夜间上网两个半小时,消费最低廉的用户上网费用为多少?()
A. 7.56元
B. 12.9元
C. 4.95元
D. 20.85元
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进出口呈现顺差的省市有()个。
A. 1
B. 2
C. 6
D. 7
农村劳动力城市就业领域比例最高的是()。
A. 商业饮食业
B. 服务业
C. 工业、交通、运输业
D. 其他行业
The second paragraph intends to tell us about ______.
A. general traits of the Americans
B. the reason why Americans tolerate and accept different family types.
C. the social customs in American society
D. the result of the social changes.
How many types of families are mentioned by the writer?
A. Six.
B. Two.
C. Five.
D. Four.