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【单选题】
在某一时期内彩电的需求曲线向左平移的原因是A.
彩电的价格提高了
B.
消费者对彩电的预期价格上升
C.
消费者对彩电的偏好下降
D.
消费者的收入水平提高了
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举一反三
【单选题】--- __________ does Jay Zhou do? Is he a doctor?
A.
- No, he __________. He is a singer from Taiwan.
B.
What, is
C.
How, isn’t
D.
How, is
E.
What, isn’t
【单选题】Software design is a(66)process. It requires a certain(67)of flair on the part of the designer. Design can net be learned from a book. It must be practiced and learnt by experience and study of existi...
A.
create
B.
created
C.
creating
D.
creative
【单选题】--- __________ does Jay Zhou do? Is he a doctor? --- No, he __________. He is a singer from Taiwan .
A.
What, is
B.
How, isn’t
C.
How, is
D.
What, isn’t
【单选题】Infrared scanning technology may be brought back into operation because of_____.
A.
the desire of farmers to improve the quality of their produce
B.
growing concern about the excessive use of pesticides on crops
C.
the forceful promotion by the Department of Agriculture
D.
full support from agricultural experts
【单选题】--- __________ does Jay Zhou do? Is he a doctor?
A.
- No, he __________. He is a singer from Taiwan.
B.
What, is
C.
What, isn’t
D.
How, is
E.
How, isn’t
【简答题】Children and, later, agers have to learn to put a brake on their impulses, to t______ their desires.
【判断题】Specific Commodity Rates means a rate applicable to carriage，of specifically designated commod- ity．（ ）
A.
正确
B.
错误
【单选题】My mother doesn’t know __________ this morning.
A.
what to do
B.
what does do
C.
how to do
D.
why does do
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