螺钉调整式喷油器结构主要有三大部分:喷油器偶件、()和调压装置组成。 A.柱塞弹簧

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问题:

螺钉调整式喷油器结构主要有三大部分:喷油器偶件、()和调压装置组成。

A.柱塞弹簧

B.飞球

C.喷油器体

D.出油阀

考点:喷油泵调修工喷油泵调修工(初级)喷油泵调修工(初级)题库
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完成反应式(只写主要产物):

______。

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阅读下列短文,根据其内容,完成各题给出的任务。

     The Great Wall of China, a wonder of the  word, is called "The Ten Thousand Li Great Wall" in China.

It's the (1)______ wall on Earth. It's over 4000 miles long, 6-7 meters high and 4-5 meters wide. ① The history

of Great than years Wall a more 2000 has of. All the walls were joined up in Qin Dynasty. In ancient days it

was (2) d______  to build such a wall. Our forefathers (祖先) carried, lifted and laid big bricks and stones with

simple tools. (3) E______ brick and stone fits well, even though they didn't have our modern machines! All the

work was done by hand. ②Thousand of people died while building the wall.

     Since then, it has been repaired and (4) r______ many times. Now the Great Wall has been on a new look.

It has become a place of interest. It's visited by large number. of people from all (5) o______ the world. Many

of them have got to know the famous Chinese saying: ③"He who does not reach the Great Wall is not a

true man."

1. 根据首字母在1一5处填上合适的单词,使句意完整。

   (1).______(2).______(3).______(4).______(5).______

2. 请将①处重新排列,连成一个完整的句子。

    _____________________________________________

3. 找出文中②处的错误并改正。

   _____________________________________________

4. 将文中③处的英文译成中文。

   _____________________________________________

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城市基准地价与路线价是一种评估方法。()

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目前效果肯定、易于推广应用的防龋方法是()

A.酶防龋

B.中药牙膏刷牙

C.防龋涂料防龋

D.氟化物防龋

E.糖代用品防龋

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在材料净用量的确定方法中,()是根据历史上同类项目的经验进行估算的。

A.测定法

B.理论计算法

C.图纸计算法

D.经验法

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