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【单选题】
For a gear pump,A.
as output pressure increases, overall efficiency decreases
B.
as output pressure increases, overall efficiency increases
C.
overall efficiency is not affected by output pressure
D.
none of the above
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反馈参考答案：
举一反三
【判断题】合同中的装运条款包括LOADING PORT ,PORT OF DESTINATION,LATEST DATE OF SHIPMENT AND PARTIAL SHIPEMNT ,TRANSHIPEMNT
A.
正确
B.
错误
【简答题】国际货物买卖合同中的装运条款包括什么内容?
【单选题】According to the BBC world news, what are senior Afghan officials going to discuss back from the Munich Security Conference?
A.
a full truce agreed between the Taliban and the United States
B.
a partial truce agreed between the Taliban and the United States
C.
a full truce agreed between the Taliban and the United Nations
D.
a partial truce agreed between the Taliban and the United Nations
【单选题】Many officials call for global cooperation to ________ some'real security threats' the world is facing. [ ]
A.
pick up
B.
give away
C.
deal with
D.
take over
【判断题】Thai health officials announced Wednesday they were increasing security at all public places.
A.
正确
B.
错误
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