The case of the World War II shipbuilders with lung cancer is an example of______.
A. an occupational cluster
B. a medical cluster
C. a radiation duster
D. an environmental cluster
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集中战略又称市场渗透战略。 ()
A. 正确
B. 错误
Homer's epics mentioned in Para. 1 exemplify the fact that______.
A. the present is varying too fast to be caught up easily
B. the future may be so indefinite as to be unpredictable
C. the past can help to shape a consensus in the present
D. the past determines social moralities for later generations
高语境文化较多依赖于明确的词汇表述来交际，即大多信息中的大部分意思是包含在明确的文字符号中的。()
A. 正确
B. 错误
Man: The suitcase looks heavy. Let me give you a hand.
Woman: ______.
A. Yes, please. Thank you anyway.
B. No, thank you. That's my own business.
C. No, thank you. I can manage myself.
D. No, please keep off my luggage.
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