在牙嵌式应用最广泛的是()A.三角形齿 B.梯形齿 C.矩形齿 D.都不是

题型:单项选择题

问题:

在牙嵌式应用最广泛的是()

A.三角形齿

B.梯形齿

C.矩形齿

D.都不是

考点:汽车知识竞赛汽车知识竞赛题库
题型:单项选择题

阅读理解

     Hidden in our subconsciousness(潜意识)is a perfect mental picture.  We see ourselves on a long trip

that goes across the continent. We are traveling by train. Out the windows, we think in the passing scene

of cars on nearby highways,  of children waving at a crossing , of cattle feeding on a distant hillside, of

smoke pouring from a power plant, or row upon row of corn and wheat, of flat lands and valleys, of

mountains and rolling hills, of city skylines and village halls.

     But uppermost in our minds is the final destination.  On a certain day at a certain hour, we will pull into

the station. Bands will be playing and flags waving. Once we get there, so many wonderful dreams will

come true and the pieces of our lives will fit together like a completed jigsaw puzzle. How restlessly we

pace the aisles, condemning(谴责)the minutes for loitering(虚度)- waiting, waiting,  waiting for the

station.

     "When we reach the station, that will be it!"we cry. "When I'm 38." "When I buy a new 450SL

Mercdes Benz!""When I put the last kid through college.""When I have paid off the debt!" "When I get

a promotion.""When I reach the age of rement, I shall live happily ever after!"

     Sooner or later, we must realize there is no station, no one place to arrive at once and for all. The

true joy of life is the trip. The station is only a dream.It constantly outdistances us.

     "Relish(appreciate) the moment" is a good motto,  actually it isn't the burdens of today that drive man

mad. It is the regret over yesterday and the fear of tomorrow. Regret and fear are twin thieves who rob

us of today.

     So stop pacing the aisles and counting the miles. Instead, climb more mountains, eat more icecream,

swim more rivers,  watch more sunsets, laugh more and cry less. Life must be lived as we go along.

Then the station will come soon enough.

1. Why does the author describe the mental picture?

A. To lead us into a perfect world.    

B. To let people enjoy the scenery.

C. To introduce an actual trip of his.  

D. To compare it to our life's journey.

2. How do people feel when they're on their trip?

A. Puzzled.    

B. Happy.    

C. Relaxed.      

D. Impatient.

3. What does the author mean by "Regret and fear are twin thieves who rob us of today" in Line

    2 Paragraph 5?  

A. Regret and fear are responsible for the loss of today.

B. We must be careful of the two thieves: regret and fear.

C. Regret and fear stop us from enjoying our present life.

D. We're frequently challenged by the two: regret and fear.

4. Why does the author write the passage?

A. To teach us a good lesson.        

B. To tell us the right attitude to life.

C. To advise us to forget our worries.

D. To stop us wandering along the aisles.

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为什么开工时,塔釜升温要缓慢?

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配送中心的组织结构一般可按()种方式来划分。

A、2

B、3

C、4

D、5

题型:单项选择题

邓 * * 理论的精髓是()。

A.实事求是 

B.解放思想实事求是 

C.改革开放 

D.与时俱进

题型:单项选择题

在芯片生产车间,每天抽8块芯片检查其暇疵点个数。为了监测暇疵点数,对于控制图的选用,下列正确的是()

A.使用C控制图最方便

B.也可以使用U控制图,效果和C控制图相同,但不如C控制图方便

C.也可以使用p控制图,效果和C控制图相同,但不如C控制图方便

D.使用np控制图,效果和C控制图相同

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