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【单选题】
奶牛的干乳期平均为()。
A.
40d
B.
50d
C.
60d
D.
70d
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A.
家庭联产承包责任制
B.
按劳分配制度
C.
多种所有制共同发展的制度
D.
生产资料的社会主义公有制
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A.
正确
B.
错误
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【单选题】In para 5, the author says that most cohabitation breaks up within two years. In his opinion, why does not cohabitation ordinary last very long?
A.
Because cohabiting women are too dedicated to their pursuit of career.
B.
Because cohabiting men spend too much time on their pursuit of leisure.
C.
Becuase cohabiting couples have changing expectations about each other.
D.
Because cohabiting couples are under social pressure to end cohabitation.
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【单选题】Successful innovations have driven many older technologies to extinction and have resulted in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow o...
A.
Older technologies die away.
B.
The quality of life is improved.
C.
Overall productivity increases.
D.
More raw materials become necessary.
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【单选题】He held a number of __________ for his many innovations.
A.
patents
B.
discussions
C.
persons
D.
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【单选题】听力原文： Many of the innovations in fire fighting that we will be seeing today were developed right here in America. As you can see from these photos, one of the earliest steam powered fire engines, the ...
A.
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B.
American fire fighting innovations.
C.
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D.
The Great San Francisco Fire.
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【多选题】中位机能是( )型的换向阀在中位时可实现系统卸荷。
A.
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B.
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C.
H
D.
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【单选题】依照宪法规定，我国社会主义经济制度的基础是
A.
家庭联产承包责任制
B.
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D.
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【单选题】In para 5, the author says that most cohabitation breaks up within two years. In his opinion, why does not cohabitation ordinary last very long?
A.
Because cohabiting women are too dedicated to their pursuit of career.
B.
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D.
Because cohabiting couples are under social pressure to end cohabitation.
查看完整题目与答案
【单选题】Successful innovations have driven many older technologies to extinction and have resulted in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow o...
A.
Older technologies die away.
B.
The quality of life is improved.
C.
Overall productivity increases.
D.
More raw materials become necessary.
查看完整题目与答案
【单选题】He held a number of __________ for his many innovations.
A.
patents
B.
discussions
C.
persons
D.
papers
查看完整题目与答案
【简答题】Two things can be inferred from the last sentence in the third para: 1) She was 1 due to 2 . 2) It is a 3 , not a 4 .
查看完整题目与答案
【单选题】听力原文： Many of the innovations in fire fighting that we will be seeing today were developed right here in America. As you can see from these photos, one of the earliest steam powered fire engines, the ...
A.
Urban fires
B.
American fire fighting innovations.
C.
The history of fire.
D.
The Great San Francisco Fire.
查看完整题目与答案
【多选题】中位机能是( )型的换向阀在中位时可实现系统卸荷。
A.
M
B.
P
C.
H
D.
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查看完整题目与答案