听力原文：How was the standard weight used by the government？
(24)
A. To cheek the accuracy of scales.
B. To see the quality of other metals.
C. To measure changes in the air.
D. To measure the length of metal.
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听力原文：W: I wonder who'd be willing to work on this committee.
M: Well, you know more about it than anyone.
Q: What does the man imply？
(19)
A. There's no job for anyone to do.
B. Nobody will work with the committee.
C. The woman knows the committee members.
D. The woman should be on the committee herself.
听力原文：M: It says here the next train is due in at 6:30.
W: I know, but I don't know whether I can make that one. I'd rather call you from the station than have you waiting around for an hour.
Q: What does the woman mean？
(18)
A. She wants to see the man immediately.
B. She isn't sure which train she'll be on.
C. It takes an hour to get there by train.
D. She'll leave the railway station at 6:30.
【C12】
A. rather
B. other
C. more
D. less
听力原文：Why do farm earnings increase while the number of faints is decreasing？
(35)
A. Because of the application of new technology and methods.
Because of the decrease of government payments.
C. Because of the increase in agricultural export.
D. Because of Canada's dependence on agricultural import.
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