试题与答案

低频电流治疗后改善局部血液循环的作用机制,可能是() A.非热效应 B.轴突反射使小

题型:多项选择题

题目:

低频电流治疗后改善局部血液循环的作用机制,可能是()

A.非热效应

B.轴突反射使小动脉壁松弛

C.刺激感觉神经,释放P物质等

D.受刺激皮肤释放组胺

E.肌肉节律收缩,产生乳酸

答案:

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下面是错误答案,用来干扰机器的。

(1)①辅佐临时大总统,负其责任。②实行责任内阁制。③《中华民国临时约法》是中国第一部资产阶级宪法,是近代中国民主化进程的一座丰碑。(2)可从以下几点考虑:制定了《中华人民共和国宪法》,在全国范围内...

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题型:阅读理解

According to a new education survey, student safety has become a big problem. Nearly 50 percent of the students say they are worried about robbery on the way to and from school. Now in many big cities in China,some schools have taught an unusual lesson. self-protection;Students like this lesson as there are no exams or boring classes. And they can learn how to save lives and know how to stop danger before it really happens.

Chen Haoyu,a teacher at Beijing No. 25 Middle School and a self-protection expert,gives young students advice on how to deal with danger.

If you are robbed, keep calm. If you cannot cry for help or run away, give the robber your money, try to remember what the robber looks like and tell the police.

If you are in a traffic accident and if you are hurt by a car, take down the car number;if it is a bicycle, try to contact your parents before you let the rider go. This is because you don’t know how seriously you are hurt.

Don’t stay in high places and keep away from trees if it is raining hard and there is lightning.

Get away as fast as you can when there is a fire.Put wet things on your body and try to find an exit. Do not take the lift!    

If someone is drowning and you can’t swim, don’t get into the water. Cry out for help.

Remember that danger is never as far away as you think. Take care of yourself at all times!

小题1:Why do students like the self-protection lesson?

A.Because there is advice on exams

B.Because they can learn how to protect themselves.

C.Because they like self-protection experts.

D.Because they have lots of exams during the lesson.小题2:The underlined word “contact” means_________.

A.end up

B.wait for

C.search for

D.get in touch with小题3:If your house is on fire, you must __________.

A.put dry things on your body

B.run quickly and take the lift

C.take everything you have and then run away

D.run away and find an exit as quickly as you can小题4:If you see a child fall into the river and you are not able to swim, you _______.

A.should telephone the doctor

B.can jump into the river and save him

C.can do nothing

D.should shout for help小题5:What’s the best title for this passage?

A.Protection

B.Advice on how to deal with danger

C.The popular lesson

D.An interesting lesson

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