16V280ZJ型柴油机压缩压力为()。A、3.1~3.5MPa B、2.65~2.

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问题:

16V280ZJ型柴油机压缩压力为()。

A、3.1~3.5MPa

B、2.65~2.84MPa

C、2.84~3.14MPa

D、2.MPa

考点:钳工技能考试中级内燃机车制动钳工中级内燃机车制动钳工题库
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下列词语中加点的字,读音全都正确的一组是(    )

A.届(yīng)卷浩繁(yì)案(dàng)钟鼓玉(zhuàn)

B.饱(zhàn)尽其妙(qū)友(zhēng)大风景(shā)

C.结(wǎn)呱坠地(gū)席(yán)顺摸瓜(wàn)

D.服(shuì)力能鼎(gāng)的(shì)古不化(nì)

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阅读短文,根据短文内容回答问题。(共10分,每小题2分)

On a very hot day, it is hard to know what to do to feel good. If you run around, you may feel sick in your stomach. However, if you just sit quietly and do nothing, you may feel bored. Are there things you can do to feel good and have fun when you’re hot?

Perhaps playing in water is a good choice to make you cool down. Taking a cool bath or shower, or even washing toys in a pan of cool water can also make you feel good on a hot day. Besides, you can read stories or paint in front of a fan. You don’t need to move your body very much. These are just some of the cool things to do on a hot day.

In addition, it’s important for you to drink water. On hot days, you can lose about 16 glasses of water in one day. If you feel thirsty, you are already short of water. So don’t wait for thirst before you start to drink. You should try to drink as much water as you lose every day. Mixing a little fruit juice into your water is a fun way to help you drink plenty of water.

The food you eat also makes a difference in how you feel in the heat. Cold foods such as ice cream and drinks with some ice can cool down your bodies. Fruits and vegetables are also helpful to stay cool in hot weather. So plan a healthy menu for a hot day---one that doesn’t need any cooking.                                                               

小题1:Is it easy to know what to do to feel good on a hot day?

小题2: Is playing in water a good choice or a bad one?

小题3:How much water do we lose one day in hot weather?

小题4:What is a healthy menu for a hot day?

小题5:What is the writer’s purpose of writing this passage?

题型:单项选择题

The Sutong Highway Bridge, a             bridge, is already open to traffic.[ ]

A. 32 kilometre long

B. 32-kilometre-long

C. 32 kilometres long

D. 32-kilometres-long

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作为国有资产投资的回报,国有资产收益应主要用于( )。

A.行政管理支出

B.国防支出

C.国有资产再投资

D.政府公共管理支出

题型:单项选择题

助催化剂的作用是()。

A.与主催化剂共同起催化作用

B.本身不起催化作用,但能增强主催化剂的活性及抗毒能力

C.抑制副反应

D.提高主产物的产率

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