问题 问答题 简答题

吹灰器一般分为哪几种形式?所使用的介质有哪些?

答案

参考答案:

目前锅炉采用的吹灰器有枪式吹灰器、振动式吹灰器、钢珠吹灰器、超声波吹灰器等。所使用的介质有过热蒸汽、压缩空气等。

阅读理解

阅读理解。

When thinking about quitting smoking…

     List all the reasons why you want to quit or stop. Every night before going to bed, repeat one of the

reasons 10 times.

     Decided positively that you want to quit. Try to avoid negative (消极的) thoughts about how difficult it

might be. Develop strong personal reasons as well as your health and responsibility to others. For example,

think of all the time you waste taking cigarette breaks, rushing out to buy a pack, hunting a light, etc. set a

date for quitting-perhaps a special day like your birthday or a holiday. If you smoke heavily at work, quit

during your vacation. Make the date holy seriously, and don't let anything change it. Begin to condition

yourself physically, start a kind of exercise, drink more water, get plenty of rest.

Immediately after quitting…

    The first few days after you quit, spend as much free time as possible in places where smoking is prohibited,

e.g. libraries, museums, theatres, department,stores, etc.

    Drink large quantities of water and fruit juice. Try to avoid wine, coffee, and other drinks which remind

you of cigarette smoking. 

    Strike up a conversation with someone instead of a match for a cigarette.   

    If you miss the feeling of having a cigarette in your hand, play with something else-a pencil, a pen, a ruler.

If you miss having something in your mouth, try a fake (仿制的) cigarette.

1. According to the passage, which of the following statements is true? [ ]

A. Whenever you feel like a cigarette, try to forget it by sleeping.

B. Try to start a conversation with somebody rather than ask for a light.

C. If you miss the feeling of having a cigarette in your mouth, play with a pen.

D. Every night before going to bed, repeat all the reasons 10 times.

2. From the passage, we know smokers _____. [ ]

A. should drink a lot of coffee

B. have to stop to smoke from time to time

C. should drink a lot of wine

D. should not do any exercise

3. According to the passage, what dose the underline word"prohibited" mean? [ ]

A. forbidden (禁止)

B. allowed (允许)

C. received

D. welcomed

4. If the passage is in a newspaper, which section is it in? [ ]

A. Sports.

B. News.

C. Health.

D. Culture.

单项选择题 A1型题