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【单选题】
按我国内河建造规范规定，额定功率等于或大于（）的主柴油机推进系统和额定功率等于或大于（）的柴油机发电机系统轴系扭振计算并送交审查．
A.
110kW/220Kw
B.
220kW/110kW
C.
110kW/110kW
D.
220kW/220kW
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【单选题】Which of the following is a beneficial activity of microorganisms?
A.
Some microorganisms are used as food for humans.
B.
Some microorganisms use carbon dioxide.
C.
Some microorganisms provide nitrogen for plant growth.
D.
d.Some microorganisms are used in sewage treatment processes.
E.
all of the above
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【单选题】—Do you think I could borrow your dictionary? —______.
A.
Yes, you may borrow
B.
Yes, you could
C.
Yes, help yourself
D.
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【判断题】在外汇市场上，如果投机者预测日元将会贬值，美元将会升值，便会进行卖出美元买进日元的即期外汇交易。（ ）
A.
正确
B.
错误
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低头
B.
膝关节弯曲
C.
抬头
D.
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【判断题】在外汇市场上，如果投机者预测日元将会贬值，美元将会升值，即进行卖出美元买入日元的即期外汇交易。()
A.
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B.
错误
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【单选题】— Alice told me you called yesterday. — Yes, I had a problem with Jane, ___________I thought you could help me with, but you were not in.
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who
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whom
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that
D.
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A.
正确
B.
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【单选题】Which of the following is a beneficial activity of microorganisms?
A.
Some microorganisms are used as food for humans.
B.
Some microorganisms use carbon dioxide.
C.
Some microorganisms provide nitrogen for plant growth.
D.
Some microorganisms are used in sewage treatment processes.
E.
all of the above
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【单选题】Which of the following descriptions about the relationship between microorganisms and human is WRONG?
A.
all microorganisms cause diseases in human
B.
only a few microorganisms are always pathogenic
C.
many microorganisms are potentially pathogenic
D.
most microorganisms are never pathogenic
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【单选题】Which of the following is a beneficial activity of microorganisms?
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Some microorganisms are used as food for humans.
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【单选题】—Do you think I could borrow your dictionary? —______.
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【简答题】An is a substance produced by microorganisms that inhibits or kills other microorganisms
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【判断题】在外汇市场上，如果投机者预测日元将会贬值，美元将会升值，即进行卖出美元买入日元的即期外汇交易。()
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【单选题】— Alice told me you called yesterday. — Yes, I had a problem with Jane, ___________I thought you could help me with, but you were not in.
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【单选题】Which of the following is a beneficial activity of microorganisms?
A.
Some microorganisms are used as food for humans.
B.
Some microorganisms use carbon dioxide.
C.
Some microorganisms provide nitrogen for plant growth.
D.
Some microorganisms are used in sewage treatment processes.
E.
all of the above
查看完整题目与答案
【单选题】Which of the following descriptions about the relationship between microorganisms and human is WRONG?
A.
all microorganisms cause diseases in human
B.
only a few microorganisms are always pathogenic
C.
many microorganisms are potentially pathogenic
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most microorganisms are never pathogenic
查看完整题目与答案