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【简答题】
含铁原料品位变高,会使烧结矿的品位 。
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【单选题】5 3. The sentence "They are free to listen to and live by their circadian rhythms." ( Line 3, Paragraph 4 ) probably means ____
A.
they can lead their daily lives according to their biological clocks, without referring to a man-made clock.
B.
they can listen to the wonderful rhythms of the biological clock and live close to them.
C.
they can live by regulating their own circadian rhythms.
D.
they are free from the annoying rhythms of everyday life
【单选题】Von Kindheit ___________ hat er immer gern gesungen.
A.
am
B.
an
C.
um
D.
vor
【单选题】听力原文:M: I would like to move to the suburbs, but I don't have enough money to pay the high taxes. W: I wish you could. It's nice to live there. Q: Why isn't the man moving to the suburbs? (18)
A.
The rent is too high.
B.
He doesn't like the suburbs.
C.
He can't afford the high taxes.
D.
It's too expensive to hire taxies.
【单选题】Morphemes like "friend", "boy", "girl" are _____ morphemes, because they can be used on their own.
A.
free
B.
bound
【单选题】某步进电动机的工作方式为三相单双六拍,转子是4个均匀分布的齿,没有绕组,其步距角为()度。
A.
10
B.
15
C.
20
D.
30
【判断题】世界上最古老的运河是京杭大运河。
A.
正确
B.
错误
【单选题】"They are their own business" in paragraph 4 most probably means________.
A.
one may put his own interest before that of teh company's
B.
one is reponsible for his own career
C.
one should always keep the ambition of opening his own business
D.
an employee should always ask for comensation from the employer
【单选题】根据法律法规的效力等级和内容重要程度的不同,教育法规可分为
A.
实体法和程序法
B.
成文法和不成文法
C.
根本法和普通法
D.
一般法和特殊法
【单选题】They grow all their own vegetables, they raise their own chickens, and they have a goat! They are self-sufficient, so they don’t need to buy food.
A.
independent
B.
helpless
【单选题】设有预处理命令 #define d 2 int a=10;float b=20;char c=’a’ 则下列语句错误的是 ____
A.
a++
B.
b++
C.
c++
D.
d++
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