题目内容

A.People enjoy shopping in them.B.People spend little time in them.C.People are more l

A. People enjoy shopping in them.
B. People spend little time in them.
C. People are more likely to buy something in them if time is limited.
D. People spend too much time reading articles about quick cures sold in drugstores.

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Discarded plastic bags may become horrible serial killers for animals because of their incredibly slow decay.

A. Y
B. N
C. NG

听力原文:According to Glazebrouk and Baldry, what was the color of the universe?
(28)

A. Light green.
B. Milky white.
C. Dark blue.
D. Colorless.

微分方程yy'=1的通解为

A. y=x2+C
B. y2=x+C
C. 1/2y2=Cx
D. 1/2y2=x+C

【B15】

A. so
B. to
C. as
D. such

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