分级延时阀起延时作用是由()实现的,延时时间通过()来实现。 A.积分环节,调螺钉A

题型:单项选择题

问题:

分级延时阀起延时作用是由()实现的,延时时间通过()来实现。

A.积分环节,调螺钉A

B.微分环节,调螺钉A

C.比例环节,调螺钉B

D.惯性环节,调螺钉B

考点:船舶辅机船舶辅机(大管轮)船舶辅机(大管轮)题库
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下列词语中的加点字,读音有误的一项是(4分)

A.暴露(bào)   曝露(pù)  咀嚼(jǔ)

B.踟蹰(zhí)   癖好(pǐ)  怙恃(hù)

C.麻痹(bì)  猥亵(wěi)  猝然(cù)

D.引擎(qíng)掮客(qián)殚心(dān)

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缺词填空。

     Many teenagers have problems that worry them. Some do not learn their school subjects well. Some

are good at learning and do well in exams, but they are doing so poorly in sports that their classmates call

them "bookworms". So many teenagers s     1    from stress. The good news is that there are some simple

ways to d    2    with stress.

     Firstly, eating a h    3    diet, getting enough sleep and doing exercise are very important. How can we be

happy if we are not fit?

     For school work, planning ahead can help. Making a list of the things they need to do and p    4    when

to do them can help students organize their time. If you are weak in a subject, studying hard and asking a

teacher for a     5    can help.

     Students should pay n    6    attention to people who laugh at them. I    7   , they should think about the

things they are good.

     Then students should also make e    9    time for their hobbies. Playing sport, reading and watching films

help them r 9 .

     F    10   , it is suitable for teenagers to share their problems with their friends and parents.

1.s               2.d               3.h               4.p               5.a              

6.n               7.I               8.e               9.r                10.F              

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中长跑是一种以()代谢为主的()和()的运动。通常进行的中跑比赛项目有男、女()和();长跑比赛项目有男、女()和()。

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目前RRC Connection Request后台配置重发次数为()。

A.1

B.2

C.3

D.4

题型:单项选择题

比特税

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