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【单选题】
用来分离固氮菌的培养基中缺乏氮源,这种培养基是一种
A.
基础培养基
B.
加富培养基
C.
选择培养基
D.
鉴别培养基
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参考答案：
举一反三
【单选题】现在我国商业银行1年期定期存款的年利率为2.25%,那么日利率为( )。
A.
0.00625
B.
6.25E-5
C.
6.2E-5
D.
6.2E-4
查看完整题目与答案
【判断题】Locator的时间输入为24小时制。超过截止时间后，Locator会自动取消。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The high stage valve controls the flow of bleed air from the ___ stage bleed air manifold.
A.
3th
B.
4th
C.
5th
D.
9th
查看完整题目与答案
【单选题】An un-loader is installed on an air compressor to _____.
A.
bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B.
prevent excessive inter-stage pressure buildup
C.
control compressor discharge pressure
D.
remove all but the frictional load during starting
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【判断题】儒家的经学是中国传统社会中最重要最基础的知识体系， 能够提供一套完整的社会治理方案。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】—How often do you surf the Internet? —_____. [     ]
A.
Three times a week
B.
A week three times
C.
Three weeks a time
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【单选题】听力原文：M: I was away for three weeks, but it seems like three days. W: So you must have had a very good time in Guilin. What do we know about the man?
A.
He enjoyed himself in Guilin.
B.
He didn't like traveling in Guilin.
C.
He spent three days in Guilin.
查看完整题目与答案
【单选题】______ (W)word came that three Chinese astronauts had been successfully sent into ______ space.
A.
The; a
B.
/; /
C.
A; /
D.
/; the
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【单选题】To obtain maximum efficiency, two stage air compressors are usually _____.
A.
horizontally mounted
B.
never fitted with intake filters
C.
fitted with intercoolers
D.
operated in an unloaded condition at all times
查看完整题目与答案
【单选题】The ____ stage air compressors are widely used on board the ship.
A.
single
B.
II
C.
III
D.
multiple
查看完整题目与答案
相关题目：
【单选题】现在我国商业银行1年期定期存款的年利率为2.25%,那么日利率为( )。
A.
0.00625
B.
6.25E-5
C.
6.2E-5
D.
6.2E-4
查看完整题目与答案
【判断题】Locator的时间输入为24小时制。超过截止时间后，Locator会自动取消。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The high stage valve controls the flow of bleed air from the ___ stage bleed air manifold.
A.
3th
B.
4th
C.
5th
D.
9th
查看完整题目与答案
【单选题】An un-loader is installed on an air compressor to _____.
A.
bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B.
prevent excessive inter-stage pressure buildup
C.
control compressor discharge pressure
D.
remove all but the frictional load during starting
查看完整题目与答案
【判断题】儒家的经学是中国传统社会中最重要最基础的知识体系， 能够提供一套完整的社会治理方案。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】—How often do you surf the Internet? —_____. [     ]
A.
Three times a week
B.
A week three times
C.
Three weeks a time
查看完整题目与答案
【单选题】听力原文：M: I was away for three weeks, but it seems like three days. W: So you must have had a very good time in Guilin. What do we know about the man?
A.
He enjoyed himself in Guilin.
B.
He didn't like traveling in Guilin.
C.
He spent three days in Guilin.
查看完整题目与答案
【单选题】______ (W)word came that three Chinese astronauts had been successfully sent into ______ space.
A.
The; a
B.
/; /
C.
A; /
D.
/; the
查看完整题目与答案
【单选题】To obtain maximum efficiency, two stage air compressors are usually _____.
A.
horizontally mounted
B.
never fitted with intake filters
C.
fitted with intercoolers
D.
operated in an unloaded condition at all times
查看完整题目与答案
【单选题】The ____ stage air compressors are widely used on board the ship.
A.
single
B.
II
C.
III
D.
multiple
查看完整题目与答案
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