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A.They know what they want to buy.B.They have little money to spend.C.They talk themse

A. They know what they want to buy.
B. They have little money to spend.
C. They talk themselves out of purchase.
D. They shop at the cheapest stores.

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听力原文:How is index used to measure the changes in economy?
(31)

A. They use unemployment rates to judge the decline measured by the index.
B. They use the interest rates to confirm the growth of economy.
C. They use percentage to represent the changes weighed by the index.
D. They use stocks as the measurement of development in market.

According to the author, the distortions of reality ______.

A. are related to the methods of observation
B. can never be avoided
C. are caused by human perceptual mechanism
D. can easily be corrected

The plastic bags were first produced in the 1970s and grew increasingly popular since the

A. Y
B. N
C. NG

【B10】

A. of
B. among
C. by
D. including

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