I always feel sorry for world leaders busy dealing with fights between nations. When my three children were young, most days it was hard keeping my house from becoming a battlefield.

         It got worse as they grew older. Three years ago, Zack, then 16, couldn’t make it through a day without making his sisters, Alex 11 and Taryn 9, angry.

         My husband and I tried to be understanding the boy at such an age. We reasoned, punished, and left heartfelt notes on his bed about how he was hurting our family. His answer was “I say it because it’s true.”

         I even tried telling the girls to fight back. Bad idea. Now I had three children at war. Whatever I said to them, they paid no attention. When there was no way out, I told everything to my sister, Mary, in an e-mail. She replied, “Don’t e-mail me. E-mail him.”

         Our son was online every day, mailing and talking with his friends. Maybe he would actually hear me this way. I didn’t say anything different, but e-mail just took the tension away. There’d be no shouting or door banging. Zack wouldn’t feel under attack.

         Zack didn’t reply for days. When he finally did, his entire message was four small words. I smiled when I read them: “You’re right. I’m sorry.”

        The children still fought, of course, but Zack changed. Best of all, I now have a better way to talk with not one but three of them. I like it that they don’t tune me out as much as they used to. They like not having to listen to me shouting to them. Or as Alex says, “You’re so much nicer online.”

         All I know is that the house is quiet. But we’re talking.

71. What was the trouble before the online talk in the family?

         A. The writer failed to understand her daughters.

         B. The children couldn’t get along peacefully.

         C. The family found it difficult to keep the house clean.

         D. The parents were not willing to talk with their children.

72. The writer once tried to deal with her son’s problem by _______.

         A. talking with him about his pain

         B. telling him about the truth of the family

         C. telling her daughters to keep away from him

         D. encouraging her daughters to fight against him

73. The writer e-mailed her sister _______.

         A. to tell her about the family problem            B. hoping she’d e-mail the boy

         C. asking about child-raising                               D. to escape from the problem

74. The underlined phrase “tune me out” in the passage probably means _______.

         A. quarrel with me                                                 B. get angry with me

         C. pay no attention to me                                    D. keep me out of their rooms

When the research on the effect of electric fields on E.coli was begun in 1962, it was essential that a biologist–specifically, a microbiologist–contributed to the project.She does not want her name used because she did not become a scientific researcher for fame, but rather for the challenge of putting pieces of a scientific puzzle together.

As a girl, she was inspired by the work of great scientists: she read the story of the cure of malaria in the Panama Canal; she also read a biography of Madame Curie.These accounts inspired her to pursue a career in scientific research.After high school, she worked for the Michigan Department of Health, where she did research in biology and microbiology.There, her colleagues saw her talent and encouraged her to pursue science as a career.She went on to earn a bachelor’s degree from Michigan State University in 1948 in medical technology.

When she began working at Michigan State in the early 1960s,

she was balancing the demands of scientific research with the needs

of her family.At that time both of her children were in school.She

would work in the lab in the morning while they were at school,

go home to see them at lunch, return to the lab for the afternoon, go

home for dinner, and return to the lab in the evening, if necessary.

At that time, there were fewer women scientists working than

there are today, but she encountered several in her career.At the

Michigan Department of Health, many of her colleagues were women and, consequently, she did not feel isolated because of her gender–nor did she feel that she was treated differently because she was a woman.      

While working at Michigan State, she also felt that she was treated with respect by her peers.Her colleagues, among them doctors and Ph.D.chemists, all treated her as an equal.On the whole, she believes that there is not a great deal of difference between men and women in science.

56.Why does the woman scientist refuse to let out her name?

       A.Because she is a shy lady.

B.Because she doesn’t mind her fame.    

       C.Because she never takes pride in her research.

D.Because she never works for her fame.

57.What is the noble lady scientist really interested in?

       A.The life stories of other women scientists.

       B.Biology and microbiology.

       C.The secret of the success of the other scientists.

       D.The difference between men and women scientists.

58.Who helped and encouraged her to carry on her scientific research?

       A.Her family and friends.                              B.Madame Curie.

       C.Her colleagues and other scientists.               D.Some of the officials.

59.What is the whole passage mainly about?

       A.The life story of a famous woman scientist with great success.

       B.A brief introduction about an unknown great woman scientist.

C.The new development of a special woman scientist.

       D.The secret of an infamous woman scientist.

TOKYO —Imagine a bicycle seat connected by mechanical frames(机械支架) to a pair of shoes for an idea of how the new wearable assisted-walking machine from Honda works.

         The experimental machine, showed on Friday, is designed to support bodyweight, reduce stress on the knees and help people organize steps and stay in crouching(蹲坐) positions.Honda showed a video of its employees wearing the machine.

         Engineer Jun Ashihara also said the machine is useful for people standing in long lines and to people who run around to make deliveries.

         "This should be as easy to use as a bicycle," Ashihara said."It reduces stress, and you should feel less tired."

         To wear it, you put the seat between your legs, put on the shoes and push the “on” button.Then just start walking around.

         In a test run for media, this reporter found it does take some time to get used to the machine.  “I could sense how it supported my moves, pushing up on my bottom when I crouched and pushing at my soles(脚底) to help lift my legs when I walked,” he said.

         The system has a computer, a motor, gears(齿轮), batteries and sensors in it, so it responds to a person's movements, according to Honda Motor Co.

         Pricing and commercial product plans are still undecided.Japan's No.2 automaker will begin testing a prototype(模型) later this month.

         The need for such mechanical help is expected to grow in Japan, which has one of the most rapidly aging societies in the world.

         Other companies are also eyeing the potentially attractive market of helping the weak and the old get around.Japan is among the world's leading nations in robotics technology, not only for industrial use but also for entertainment and companionship.

68.Honda's new wearable assisted-walking machine is mainly to      .

         A.show Honda's power in technology  B.protect the environment                        

         C.meet the social needs in the future  D.improve social progress

69.According to the passage, the power of the new wearable assisted-walking machine is from        .

         A.manpower                       B.batteries

         C.a computer                    D.the machine movement

70.It can be learned from the passage that              .

         A.the new machine has been produced m large numbers

         B.Honda will control the future market for the new machine

         C.the price of Honda's new machine will be very low

         D.the future market for the new machine will be promising

71.What would be the best title for the passage?

         A.Wearable machine that helps walk

         B.Hondo's new bicycle for the old

         C.Wearable machine helps go to work

         D.New development of the bicycle

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