The physicist has made a discovery. is of great importance to the progress of science and technology．( )A．I think whichB．that I thinkC．which I thinkD．which I think it 题目和参考答案——青夏教育精英家教网—

3．Science can't explain the power of pets，but many studies have shown that the company of pets can help lower blood pressure （血压） and raise chances of recovering from a heart attack，reduce loneliness and spread all-round good cheer．
Any owner will tall you how much joy a pet brings．For some，an animal provides more comfort than a husband/wife．A 2002study by Karen Allen of the State University of New York measured stress （紧张） levels and blood pressure in people-half of them pet owners-while they performed 5minutes of mental arithmetic （算术） or held a hand in ice water．Subjects completed the tasks alone，with a husband/wife，a close friend or with a pet．People with pets did it best．Those tested with their animal friends had smaller change in blood pressure and returned most quickly to baseline heart rates．With pets in the room，people also made fewer math mistakes than when doing in front of other companions．It seems people feel more relaxed （放松）around pets，says Allen，who thinks it may be because pets don't judge．
A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an effect on your eating habits．Researchers at Northwestern Memorial Hospital spent a year studying 36fat people and their equally fat dogs on diet-and-exercise programs； a separate group of 56people without pets were put on a diet program．On average，people lost about I1pounds，or 5% of their body weight．Their dogs did even better，losing an average of 12pounds，more than 15% of their body weight．Dog owners didn't lose any more weight than those without dogs but，say researchers，got more exercise overall-mostly with their dogs-and found it worth doing．

67．What does the text mainly discuss？A
A．What pets bring to their owners．
B．How pets help people calm down．
C．People's opinions of keeping pets．
D．Pet's value in medical research．
68．We learn from the text that a person with heart disease has a better chance of getting well ifA
A．he has a pet companion
B．he has less stress of work
C．he often does mental arithmetic
D．he is taken care of by his family
69．According to Allen，why did the people do better with pets around when facing stressful tasks？C
A．They have lower blood pressure．
B．They become more patient．
C．They are less nervous．
D．They are in higher spirits．
70．The research mentioned in the last paragraph reports thatA
A．people with dogs did more exercise
B．dogs lost the same weight as people did
C．dogs liked exercise much more than people did
D．people without dogs found the program unhelpful．

6．Since 2004，Time magazine has six times made a survey to name the l00most influential people in the world．Only one person has appeared on it for six times，Oprah Winfrey．
Born in l954in Mississippi，Oprah Winfrey spent her early years living in poverty with her grandmother and later her absent mother，followed by unfair treatment by her unfriendly relatives．Worse still，she was addicted to drugs and at the young age of l4，she gave birth to a baby，who died after a few months．Finally she was sent to live with her strict father in Tennessee．Amazingly though，her father's rules did make sure she received a good education and finally overcame her problems．
Oprah's media career began at age l7．She became the co-author of local news in Baltimore in her early 20's．Her first local talk show，People Are Talking，was first performed in l978，when she was 24．
In l986，Oprah moved to Chicago to lost a low-rated half-hour morning talk show，AM Chicago．Oprah talks like a family member in your and my house．Within months she took over，the show became the highest rated talk show in Chicago．It was renamed The Oprah Winfrey Show．
Only two years after hosting the show，she was able to set up her own production company Harpo，and buy the full rights to The Oprah Winfrey Show．She is also involved in magazine publishing，books，education and a lifestyle channel for women with the aim of improving people's lives，inspiring and praising good honest values，making the world a better place for present and future generations．
As her business grew，so did her wealth and power，and she became the first ever black billionaire in 2003and the most powerful woman in media broadcasting．The amazing influence she has over a large part of the American public means that anything she promotes on her shows is guaranteed to succeed．

26．What do we know about Oprah's childhood？D
A．She lived with her mother for 14years．
B．She married young and brought up a baby．
C． She couldn't stand her father's rules．
D．he was lack of concern and care．
27．Why was The Oprah Winfrey Show so popular？A
A．Oprah talked in a family way in the show．
B．Oprah was very famous in the world．
C．Oprah was the co-author of the show．
D．Oprah had the full rights to the show．
28．According to the text，which field didn't Oprah set foot in？C
A．Magazine publishing．
B．Education
C．Filming
D．A TV channel for females．
29．Which of the following is true according to the text？A
A．Oprah Winfrey hosted her first local talk show in her 20's．
B．Oprah Winfrey was the most influential woman in America．
C．AM Chicago became the highest rated immediately after Oprah hosted it．
D．Oprah Winfrey was the first billionaire in media broadcasting．
30．What does the last paragraph mainly tell us？B
A．Oprah aimed to be wealthy and powerful．
B．Oprah was a quite successful woman．
C．What Oprah promoted was sure to succeed．
D．Oprah became the most influential woman．

7．下面短文中有10处错误，请在有错误的地方增加、删除或修改某个单词．
    增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词．
    删除：把多余的词用斜线（﹨）划掉．
    修改：在错的词下划一横线，并在该词下面写上修改后的词．
注意：1．每处错误及其修改均仅限一词；
    2．只允许修改10 处，多者（从第11 处起）不计分．
Dear Professor Ma，How are you？
I'm glad to write to you．It is nearly two months since you leave our hospital．I'm still worried about your healthy．How are you getting along these days？I think you may be more better now．But you'd better to have a good rest and take good care of you since you are seventy years old．I still remember those days you helped me with my English．Under your help，I've made rapid progresses．However，my English remains very poorly though I have made good use of my spare time．Can you give me some advice？
Looking forward to hear from you soon．
Yours truly，
Li Ping．

	A．	I think which		B．	that I think
	C．	which I think		D．	which I think it

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