A．A druggist's suggestion.B．An article.C．An advertisement.D．A sales clerk's comment.
A druggist's suggestion.
B. An article.
C. An advertisement.
D. A sales clerk's comment.
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听力原文：Why can't the average farm family income explain the situation for all farmers？
(35)
A. Because it is higher than the income of the average American family.
Because farmers have little money left after paying all necessary expenses.
C. Because the situation in small farms and large farms is quite different.
D. Because 2004 is the best year for farm families.
设=cos4x，则dy=
A. 4sin4xdx
B. -4sin4xdx
C. (1/4)sin4xdx
D. -(1/4)sin4xdx
听力原文：M: Gloria, are you going to send out invitations to the dance？
W: No. I got Dan to do it.
Q: What did Gloria say about the invitations？
(16)
A. Dan has got them.
B. Dan took care of them.
C. Gloria forgot about them.
D. Gloria has sent them out.
The petrol-based bags, though harmless to the environment, cost too much in manufacture to
A. Y
B. N
C. NG
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