根据短文内容， 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
You may know the benefits of laughter on the mind and spirit. _1___ Norman Cousins used to say that laughter has such a good effect on your body that it is like “inner jogging”.
Mayo Clinic Health Letter reports that laughter aids breathing by incresing your breathing rate.. It can even help clear mucus(黏液) from your lungs.
__2__ It increases circulation(循环) and improves the flow of oxgen and nutrition to tissues(血管) throught your body..It can help protect you against a heart attack.
__3___ It helps fight off colds, flu,etc. by increasing the concentration of immunolobulin (免疫球蛋白A) in your saliva(唾液) .And it may help control pain by raising the levels of certain brain chemicals.
In addition, it is a natural stress reliever（缓解）.Have you ever laughed so hard that you bent over, fell off your chair, or spit out your food? __4___
I read that a child laughs 400 times a day on average, while an adult laughs only 15 times each day. The good news is that you are allowed more than 15 laughs a day! Go ahead and double it and make it 30 times today. You may begin to notice immediate improvement in your relationships! Then double it again! __5___ People will enjoy being around you as well.
Laughter: it’s the best medicine!
A. Laughter is also good for your heart.
B. Laughter can bring some relief from mental stress.
C. A good, hearty laugh relieves physical tension(紧张) and stress.
D. However, it is confusing why laughter makes people feel so good.
E. A good laugh helps build up your body to protect against diseases
F. You are likely to feel even better and deal with problems more effectively.
G.  However, are you aware of how much a good laugh can help you physically?

根据短文内容， 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

You may know the benefits of laughter on the mind and spirit. _1___ Norman Cousins used to say that laughter has such a good effect on your body that it is like “inner jogging”.

Mayo Clinic Health Letter reports that laughter aids breathing by incresing your breathing rate.. It can even help clear mucus(黏液) from your lungs.

__2__ It increases circulation(循环) and improves the flow of oxgen and nutrition to tissues(血管) throught your body..It can help protect you against a heart attack.

__3___ It helps fight off colds, flu,etc. by increasing the concentration of immunolobulin (免疫球蛋白A) in your saliva(唾液) .And it may help control pain by raising the levels of certain brain chemicals.

In addition, it is a natural stress reliever（缓解）.Have you ever laughed so hard that you bent over, fell off your chair, or spit out your food? __4___

I read that a child laughs 400 times a day on average, while an adult laughs only 15 times each day. The good news is that you are allowed more than 15 laughs a day! Go ahead and double it and make it 30 times today. You may begin to notice immediate improvement in your relationships! Then double it again! __5___ People will enjoy being around you as well.

Laughter: it’s the best medicine!

A. Laughter is also good for your heart.

B. Laughter can bring some relief from mental stress.

C. A good, hearty laugh relieves physical tension(紧张) and stress.

D. However, it is confusing why laughter makes people feel so good.

E. A good laugh helps build up your body to protect against diseases

F. You are likely to feel even better and deal with problems more effectively.

G.  However, are you aware of how much a good laugh can help you physically?

根据短文内容， 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

You may know the benefits of laughter on the mind and spirit. _71___ Norman Cousins used to say that laughter has such a good effect on your body that it is like “inner jogging”.

Mayo Clinic Health Letter reports that laughter aids breathing by incresing your breathing rate.. It can even help clear mucus(黏液) from your lungs.

__72__ It increases circulation(循环) and improves the flow of oxgen and nutrition to tissues(血管) throught your body..It can help protect you against a heart attack.

__73___ It helps fight off colds, flu,etc. by increasing the concentration of immunolobulin (免疫球蛋白A) in your saliva(唾液) .And it may help control pain by raising the levels of certain brain chemicals.

In addition, it is a natural stress reliever（缓解）.Have you ever laughed so hard that you bent over, fell off your chair, or spit out your food? __74___

I read that a child laughs 400 times a day on average, while an adult laughs only 15 times each day. The good news is that you are allowed more than 15 laughs a day! Go ahead and double it and make it 30 times today. You may begin to notice immediate improvement in your relationships! Then double it again! __75___ People will enjoy being around you as well.

Laughter: it’s the best medicine!

A.　　 Laughter is also good for your heart.

B.　　 Laughter can bring some relief from mental stress.

C.　　 A good, hearty laugh relieves physical tension(紧张) and stress.

D.　　 However, it is confusing why laughter makes people feel so good.

E.　　 A good laugh helps build up your body to protect against diseases

F.　　 You are likely to feel even better and deal with problems more effectively.

G.　　 However, are you aware of how much a good laugh can help you physically?

供应大脑的正常血液量被切断后，人就会晕厥而不省人事，当人们被听到或看到所震惊时，就可能发生晕厥现象，针对不同的晕厥情况要采取不同的急救措施。

People faint when the normal blood supply to the brain is suddenly cut down. This can happen if they are surprised or shocked by sudden news or by something they see. Some people faint if they see others hurt. Some people faint in crowds. Others faint if they are in a room that is hot and stuffy.

If a person faints while standing, lay him down. If his face is pale, lift his feet. If he is sitting down when he faints, place his head between his knees. Loosen any tight clothing that might keep him from breathing easily. If possible, place a cold, wet cloth on his forehead.

We try to help a person who has fainted by _________.

A. tightening his muscles

B. rubbing his head

C. returning blood to his brain

D. holding him in an upright position

阅读理解

供应大脑的正常血液量被切断后，人就会晕厥而不省人事，当人们被听到或看到所震惊时，就可能发生晕厥现象，针对不同的晕厥情况要采取不同的急救措施。

People faint when the normal blood supply to the brain is suddenly cut down. This can happen if they are surprised or shocked by sudden news or by something they see. Some people faint if they see others hurt. Some people faint in crowds. Others faint if they are in a room that is hot and stuffy.

If a person faints while standing, lay him down. If his face is pale, lift his feet. If he is sitting down when he faints, place his head between his knees. Loosen any tight clothing that might keep him from breathing easily. If possible, place a cold, wet cloth on his forehead.

We try to help a person who has fainted by _________.

A. tightening his muscles

B. rubbing his head

C. returning blood to his brain

D. holding him in an upright position