单项选择题


Questions 19 to 22 are based on the conversation you have just heard.
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A.By talking to an expert.
B.By reading an article.
C.By attending an exercise class.
D.By listening to the radio.
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单项选择题
A.She says she doesn’t mind if the man carries the case.B.She is angry when the man offers to carry the case.C.She refuses the help.D.She thanks the man and accepts his offer.
A.She says she doesn’t mind if the man carries the case.
B.She is angry when the man offers to carry the case.
C.She refuses the help.
D.She thanks the man and accepts his offer.
单项选择题
Man should take the philosophy of thrift by ______.
A.conserving natural resources and not destroying them
B.keeping exploring natural resources
C.developing virgin lands
D.saving natual resources, better not use them
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