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【单选题】
乙酰胆碱消除的主要方式是()A.
被突触前膜再摄取
B.
被单胺氧化酶破坏
C.
被胆碱酯酶水解
D.
被COMT破坏
E.
进入血液
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举一反三
【单选题】Under Bareboat Chartering, the charterer will have the commercial and technical responsibility for the vessel.( )
A.
正确
B.
错误
【单选题】This passage is mainlyabout
A.
the severity of the motorvehicle accidents
B.
the responsibiIities ofthe cyclists
C.
the street walkers’responsibility for the motor vehicle aceidents
D.
responsibilities ofdrivers and others’for the motor vehicle accidents
【简答题】已知 V 带传动的主动轮基准直径 d d1 =120mm ,从动轮基准直径 d d2 =300mm ,中心距 α=800mm。试求计算传动比i 12 ,并验算小带轮包角α 1 。
【简答题】已知一V带传动的主动轮基准直径d 1 =100mm，从动轮基准直径d 2 =400mm，中心距a 0 约为485mm，主动轮装在转速n 1 =1450r/min的电动机上，三班制工作，载荷平稳，采用两根基准长度L d =1800mm的A型普通V带。试求该传动所能传递的功率。
【单选题】听力原文： Most young married couples in the United States share their duties and responsibilities both inside and outside the home. The reason for this is that they both usually have a job. Most of the yo...
A.
Because both husband and wife have their own jobs.
B.
Because they have a lot to take care of.
C.
Because their parents don't usually help.
D.
Because they have more than one kid to bring up.
【简答题】For this part, you are allowed 30 minutes to write a short essay 'On a Sense of Responsibility'. You should write at least i20 words following the outline given below. 1. 在当今社会，因缺乏责任感而引发的事故频频发生，可举例(如官...
【简答题】When she was criticized, she claimed that it was outside her ________ of responsibility. A) field B) limit C) extent D) range
【单选题】●Several risk response strategies are available. (75) the risk simply gives another party responsibility for its management,it does not eliminate risk. (75)
A.
Avoiding
B.
Mitigating
C.
Accepting
D.
Transferring
【简答题】In Britain arrangements for inviting and entertaining guests at a wedding are usually the responsibility of the bride's family．In most cases it is mainly friends and relations of both families who are...
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