3.Research has shown that music has an important effect on one's body and psyche (心灵).In fact,there is a growing field of health care known as music therapy,which uses music to treat diseases.Even hospitals are beginning to use music therapy.This is not surprising,as music affects the body and mind in many powerful ways.
Research has shown that quick music can make a person feel more alert,while slow music can produce a calm,deep thinking state.Also,research has found that music can change brainwave activity levels.This can help the brain to change speeds more easily on its own as needed,which means that music can bring lasting benefits to your state of mind,even after you've stopped listening.
Breathing and heart rates can also be influenced by music.This can mean slower breathing,slower heart rate.This is why music and music therapy can help reduce the damaging effects of long-term stress,greatly promoting (促进) not only relaxation,but health.
Music can also be used to bring about a more positive state of mind by helping to keep worries away.Music has also been found to bring many other benefits,such as lowering blood pressure and reducing the risk of strokes.It is no surprise that so many people are considering music as an important tool to help the body become or stay healthy.
 21.What can we infer about music therapy?D
  A.It is a type of music.
B.It is a research about music.
C.It is a kind of musical effect on diseases.
D.It is the use of music method to help treat diseases.
22.According to the second paragraph,we can know thatA.
A.music with different speeds has different effects
B.quick music is not good for one's health
C.slow music can help one to think more calmly and slowly
D.music will have less benefit after one stops listening
23.The reason why music can help deal with stress is thatB.
A.it is used by many hospitals
B.it can help change brainwaves
C.it does good to breathing and heart rates
D.it can bring a more positive state of mind
24.According to the passage,music can help deal with all the following EXCEPTB.
A.nervousness             
B.mind illnesses
C.strokes                 
D.high blood pressure.
20.Robot teachers are now very popular with pupils in some primary schools in South Korea.Compared with human teachers,the robot teachers are(61)more patient (patient).They never get angry and are always kind to the students.That's(62)why the children can always get on well with their robot teachers.
English-teaching robots(63)were sent (send) to three primary schools for eight weeks last December.(64)Eqquipped(equip) with a microphone and video camera,the robots teach students as teachers.Researchers found that the English-teaching robots helped raise students'interests in the language and build up their(65)comfidence(confident).More and more students came to like studying and they got better grades in exams.Meanwhile,other robot teachers,(66)whichcan teach math,science and art,have also been developed.
Many people think these robot teachers should be used(67)in/atfaraway village schools so that the children there can also receive a good education.(68)To give(give) rural school children more learning chances,the South Korean government has expressed great interest in(69)developing(develop) these robots.No doubt there will be more and more robot teachers working with students.Perhaps they will(70)completely(complete) replace human teachers one day in the future.Who knows?
1.In my life,I've been told that teamwork is golden.There is no"i"in"team".And for many years it is true.Living alone gets a bad rap in our society.But I've found that living alone can be a positive experience.
I'm not the first person to notice the appeal of being our own roommate-31million people are living alone in the U.S.,making up 28 percent of the total population,according to a survey.In NYC,the number jumps to 1in 2.Comparing that number with the 9 percent of people who lived alone in 1950,we know we have a trend on our hands.
In my opinion.many people are afraid of being totally alone.But I've learned to really enjoy my own company.When I first started living alone,I found that I could go anywhere without using my voice.Sometimes,I would stop at a grocery store and buy something I didn't need just to test that I could say"thank you"to the cashier.But then I discovered something far easier-I started talking to myself.
Living alone isn't the same thing as living lonely.When I'm feeling a need for communication,I reach out for it.Or I can pick up the phone to call my family or those roommates.When the time is right,I hope to live with a partner and even raise children.In the meantime,it's just me and me.

4.Which of the following opinion will the author probably agree with?B
A.Teamwork is everything.
B.Living alone can be positive.
C.Living alone means loneliness.
D.Teamwork deserves criticism.
5.In paragraph 2,the author proves his point mainlyC.
A.by making comparison                         
B.by presenting examples
C.by providing statistics                          
D.by quoting(引用)famous sayings
6.The author sometimes bought what he didn't needD.
A.to test his speaking ability
 B.to improve his communicative skills
C.to get rid of the annoying cashier
D.to enjoy others'company when necessary
7.What does the author mean by the underlined sentence in the last paragraph?A
A.He doesn't feel lonely though living alone.
B.He still thinks it better to live with his family.
C.He can tell the difference between"alone"and"lonely".
D.He sometimes communicates with his family and friends.

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