试题与答案

关于老年人免疫功能的叙述错误的是A．老年人免疫功能均减低 B．胸腺功能退化，T细胞识

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题型：单项选择题

题目：

关于老年人免疫功能的叙述错误的是

A．老年人免疫功能均减低

B．胸腺功能退化，T细胞识别抗原能力下降

C．干细胞分裂能力下降

D．B细胞减少，对抗原的应答能力下降

E．IgM减少

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A

考点：卫生资格考试(中初级)全科医学主治医师老年保健(一)
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题型：阅读理解

We live in the computer age. People use computers to do much of their work. But few people know how to look after them. Remember the following when you use your computer:

1.Keep your computer in a cool, dry room. Too much or too little heat is bad for computers. Damp(潮湿) is also bad for them.

2.Do not let people smoke near your computer. Smoke of all kinds is very bad for many parts of a computer.

3.Do not eat or drink when you are near your computer. Pieces of food and a little water in the keyboard are also bad for a computer.

4.Keep your screen clean and do not have it too bright. They are bad for your eyes. Make sure the screen is not too far from or too near your eyes. Some people use different glasses to protect their eyes when they use a computer.

小题1:Computers can          people to do a lot of work.

A．use

B．help

C．make

D．take小题2:Few people know how to          their computers.

A．look at

B．try out

C．look for

D．take care of小题3:A computer works well at a temperature of         .

A．0℃

B．-5℃

C．20℃

D．35℃小题4:Smoke is not good for many parts of a computer, is it?

A．Yes,it is.

B．No,it isn't.

C．Yes,a little.

D．Not at all.小题5:A dirty screen or a very bright screen is    for your eyes.

A．bad

B．good

C．useful

D．helpful
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