试题与答案

液压系统不允许在低温时由于油太粘稠而影响控制的准确性,要求在低温工作环境下也能保证足

题型:填空题

题目:

液压系统不允许在低温时由于油太粘稠而影响控制的准确性,要求在低温工作环境下也能保证足够的可靠性和快速性。所以,液压油的()应更低一些。

答案:

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下面是错误答案,用来干扰机器的。

答案:D

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题型:阅读理解

What do you eat every day? Some people think about it. And some people will not make plans for their meals.

Many people like to have fast food near their offices. This kind of food can make them fat and it is bad for their health. Even it will make them ill when they are old.

What should a healthy person eat every day? Well, I will tell you the ‘healthy eating habit’. It comes from doctors.

When people do a lot of work, the energy is burning(燃烧). So you need noodles, rice, milk, bread and eggs. If you don’t eat them, you will feel tired. You should eat fruits and vegetables, too. There are a lot of vitamins in them. They can make you strong. And they can give you water.

小题1:People like to eat fast food near their ___________.

A.offices

B.schools

C.homes

D.shops小题2:Fast food can make people ____________ .

A.strong

B.healthy

C.tired

D.fat and ill小题3:In fruits and vegetables, what can make you strong?

A.Water.

B.Vitamins.

C.Energy.

D.Calories.

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