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【单选题】
下列有关流通加工的说法中,不正确的一项是()。A.
加工对象是进入流通领域的商品
B.
都是简单加工
C.
加工目的在于完善产品的使用价值
D.
主要目的是交换和消费
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举一反三
【单选题】The driver was very happy that his car ______ very well in this car-washing centre.
A.
cleans
B.
cleaned
C.
was cleaned
D.
is cleaned
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 (1)求均衡价格P e 和均衡数量Q e 。 (2)假定供给函数不变,由于消费者收入水平提高,使需求函数变为Q d =60-5P。求出相应的均衡价格P e 和均衡数量Q e 。 (3)假定需求函数不变,由于生产技术水平提高,使供给函数变为Q s =-5+5P。求出相应的均衡价格P e 和均衡数量Q e 。
【单选题】The policeman warned the driver _______too fast. It was very dangerous.
A.
to drive
B.
not to drive
C.
driving
D.
not driving
【简答题】吸收后脱乙酰基抗菌作用增强：
【简答题】work we eat lunch the can.
【简答题】The driver was very __________ (thank) to the policeman for his help.
【单选题】Since there was very heavy traffic on the main road, the driver took a ____street.
A.
wide
B.
single
C.
side
D.
near
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