题目内容

Sellers in the group buying benefit by ()

A. paying less
B. selling many produdcts at once
C. bargaining with each buyer
D. selling goods at a higher price

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The passage mainly discusses()

A. post-80s couples and their friends
B. post-80s couples and baby-pooling
C. post-80s couples and their parents
D. kids and their grandparents

42()

A. television
B. invisible
C. on-line
D. real

()American teachers sometimes have trouble understanding Japandse students in class because Japanese students ()

A. do not show their emotions as freely as American stydents do
B. are similar to American students in showing emotions
C. only express their emotions when permitted
D. do not know what to say

A smile is typically an expression of () in American culture.

A. embarrassment
B. politeness
C. sadness
D. pleasure

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