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【单选题】
Laughter
There is an old saying in English: 'Laughter is the best medicine'．Until recently, few people took the saying very seriously．Now, however, doctors have begun to investigate laughter and the effects it has on the human body．They have found evidence that laughter really can improve people's health.
Tests were carried out to study the effects of laughter on the body．People watched funny films, while doctors checked their heart rate, blood pressure, breathing and muscles．It was found that laughter has similar effects to physical exercise．It increases blood pressure, the heart rate and the rate of breathing; it also works several groups of muscles in the face, the stomach, and even the feet．If laughter exercises the body, it must be beneficial.
Other tests have shown that laughter appears to be capable of reducing the effect of pain on the body．In one experiment doctors produced pain in groups of students who listened to different radio programs．The group which tolerated the pain for the longest time was the group which listened to a funny program．The reason why laughter can reduce pain seems to be that it helps to produce endorphins (内啡肽) in the brain．These are natural chemicals which diminish both stress and pain,
There is also some evidence to suggest that laughter helps the body's immune system, that is, the system which fights infection．In an experiment, one group of students watched a funny video while another group served as the control group - in other words, a group with which to compare the first group．Doctors checked the blood of the students in both groups and found that the people in the group that watched the video had an increase in the activity of their white blood cells, that is, the cells which fight infection.
As a result of these discoveries, some doctors and psychiatrists (精神病学家) in the United States now hold laughter clinics, in which they try to improve their patients' condition by encouraging them to laugh, They have found that even if their patients do not really feel like laughing, them smile is enough to produce beneficial effects similar to those caused by laughter.
We learn from the first paragraph that laughter
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
参考答案：
参考解析：
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举一反三
【单选题】Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child. Child and adolescent psychi...
A.
Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child.
B.
Child and adolescent psychiatrists (精神病学家) recommend that the child be told about the adoption by the adoptive parents. Children should be told about their adoption in a way that they can understand.
C.
There are two different views on when a child should be told about the adoption. Many experts believe the child should be told at earliest age possible. This approach provides the child an early opportunity to accept and integrate the concept of being "adopted". Other experts believe that telling a child too early may confuse the young child who can’t really understand the . These experts advise waiting until the child is older.
D.
In either case, children should learn of their adoption from the adoptive parents. This helps give the message that adoption is good and that the child can trust the parents. If the child first learns about the adoption intentionally or accidentally from someone other than parents, the child may feel angry and mistrust towards the parents, and may view the adoption as bad or shameful because it was kept a secret.
E.
Adopted children will want to talk about adoption and parents should encourage this process. Several excellent children’s story books are available in bookstores which help parents tell the child being adopted.
F.
【单选题】Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Many people believe that exercise is good for the body and for the mind. They say that ...
A.
how to work out
B.
how to keep fit
C.
the effects of exercise on people
D.
how to reduce stress-related illness
【单选题】Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Many people believe that exercise is good for the body and for the mind. They say that ...
A.
People cannot change their shape of body simply by physical exercise.
B.
A woman could become another Jane Fonda as long as she tries her best.
C.
A man might become Arnold Schwarzenegger if before he was born, he looks like him and works out.
D.
It is almost impossible for people to become another one because of different genes.
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'. Until recently, few people took the saying very seriously. Now, however, doctors have begun to investigate laughter and the...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
【单选题】Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child. Child and adolescent psychi...
A.
Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child.
B.
Child and adolescent psychiatrists (精神病学家) recommend that the child be told about the adoption by the adoptive parents. Children should be told about their adoption in a way that they can understand.
C.
There are two different views on when a child should be told about the adoption. Many experts believe the child should be told at earliest age possible. This approach provides the child an early opportunity to accept and integrate the concept of being "adopted". Other experts believe that telling a child too early may confuse the young child who can’t really understand the . These experts advise waiting until the child is older.
D.
In either case, children should learn of their adoption from the adoptive parents. This helps give the message that adoption is good and that the child can trust the parents. If the child first learns about the adoption intentionally or accidentally from someone other than parents, the child may feel angry and mistrust towards the parents, and may view the adoption as bad or shameful because it was kept a secret.
E.
Adopted children will want to talk about adoption and parents should encourage this process. Several excellent children’s story books are available in bookstores which help parents tell the child being adopted.
F.
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'．Until recently, few people took the saying very seriously．Now, however, doctors have begun to investigate laughter and the e...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
相关题目：
【单选题】Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child. Child and adolescent psychi...
A.
Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child.
B.
Child and adolescent psychiatrists (精神病学家) recommend that the child be told about the adoption by the adoptive parents. Children should be told about their adoption in a way that they can understand.
C.
There are two different views on when a child should be told about the adoption. Many experts believe the child should be told at earliest age possible. This approach provides the child an early opportunity to accept and integrate the concept of being "adopted". Other experts believe that telling a child too early may confuse the young child who can’t really understand the . These experts advise waiting until the child is older.
D.
In either case, children should learn of their adoption from the adoptive parents. This helps give the message that adoption is good and that the child can trust the parents. If the child first learns about the adoption intentionally or accidentally from someone other than parents, the child may feel angry and mistrust towards the parents, and may view the adoption as bad or shameful because it was kept a secret.
E.
Adopted children will want to talk about adoption and parents should encourage this process. Several excellent children’s story books are available in bookstores which help parents tell the child being adopted.
F.
【单选题】Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Many people believe that exercise is good for the body and for the mind. They say that ...
A.
how to work out
B.
how to keep fit
C.
the effects of exercise on people
D.
how to reduce stress-related illness
【单选题】Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Many people believe that exercise is good for the body and for the mind. They say that ...
A.
People cannot change their shape of body simply by physical exercise.
B.
A woman could become another Jane Fonda as long as she tries her best.
C.
A man might become Arnold Schwarzenegger if before he was born, he looks like him and works out.
D.
It is almost impossible for people to become another one because of different genes.
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'. Until recently, few people took the saying very seriously. Now, however, doctors have begun to investigate laughter and the...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
【单选题】Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child. Child and adolescent psychi...
A.
Parents with an adopted child wonder, when and how to tell their child that he or she is adopted. They also want to know if there are special problems for an adopted child.
B.
Child and adolescent psychiatrists (精神病学家) recommend that the child be told about the adoption by the adoptive parents. Children should be told about their adoption in a way that they can understand.
C.
There are two different views on when a child should be told about the adoption. Many experts believe the child should be told at earliest age possible. This approach provides the child an early opportunity to accept and integrate the concept of being "adopted". Other experts believe that telling a child too early may confuse the young child who can’t really understand the . These experts advise waiting until the child is older.
D.
In either case, children should learn of their adoption from the adoptive parents. This helps give the message that adoption is good and that the child can trust the parents. If the child first learns about the adoption intentionally or accidentally from someone other than parents, the child may feel angry and mistrust towards the parents, and may view the adoption as bad or shameful because it was kept a secret.
E.
Adopted children will want to talk about adoption and parents should encourage this process. Several excellent children’s story books are available in bookstores which help parents tell the child being adopted.
F.
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'．Until recently, few people took the saying very seriously．Now, however, doctors have begun to investigate laughter and the e...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.