单项选择题

Social scientists do NOT study ______.

A．marriage in different countries
B．the differences between life in rural and urban areas
C．how a satellite is launched
D．family life
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单项选择题
What docs Harry enjoy after work each day
A．He enjoys watching TV.
B．He enjoys talking with his wife.
C．He enjoys wasting his time.
D．He enjoys doing anything.
单项选择题
What are some of the main features of advertisements mentioned in this passage
A．Toothpaste, shampoo and washing powder.
B．Different brands of the same product.
C．Performance, price, value for money, quality & reliability.
D．Freedom of choice for the producer.
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