with various research projects, that scientist can’t even find time to visit his parents.A.OccupyingB.OccupiedC.To be occupiedD.To occupy 题目和参考答案——青夏教育精英家教网—

(10·山东D篇)

Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger and heavier than the devices themselves. University of Missouri(MU) researchers are developing a nuclear energy source that is smaller, lighter and more efficient.

“To provide enough power, we need certain methods with high energy density(密度)”，said Jae Kwon, assistant professor of electrical and computer engineering at MU. “The radioisotope(放射性同位素) battery can provide power density that is much higher than chemical batteries.”

Kwon and his research team have been working on building a small nuclear battery, presently the size and thickness of a penny, intended to power various micro / nanoelectromechanreal systems (M/NEMS). Although nuclear batteries can cause concerns, Kwon said they are safe.

“People hear the word ‘nuclear’ and think of something very dangerous,” he said, “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems.”

His new idea is not only in the battery’s size, but also in its semiconductor(半导体). Kwon’s battery uses a liquid semiconductor rather than a solid semiconductor.

“The key part of using a radioactive battery is that when you harvest the energy, part of the radiation energy can damage the lattice structure(晶体结构) of the solid semiconductor,” Kwon said, “By using a liquid semiconductor, we believe we can minimize that problem.”

Together with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, Kwon is working to build and test the battery. In the future, they hope to increase the battery’s power, shrink its size and try with various other materials. Kwon said that battery could be thinner than the thickness of human hair.

71. Which of the following is true of Jae Kwon?

A. He teaches chemistry at MU.

B. He developed a chemical battery.

C. He is working on a nuclear energy source.

D. He made a breakthrough in computer engineering.

72. Jae Kwon gave examples in Paragraph 4_________.

A. to show chemical batteries are widely applied.

B. to introduce nuclear batteries can be safely used.

C. to describe a nuclear-powered system.

D. to introduce various energy sources.

73. Liquid semiconductor is used to _________.

A. get rid of the radioactive waste

B. test the power of nuclear batteries.

C. decrease the size of nuclear batteries

D. reduce the damage to lattice structure.

74. According to Jae Kwon, his nuclear battery _______.

A. uses a solid semiconductor

B. will soon replace the present ones.

C. could be extremely thin

D. has passed the final test.

75. The text is most probably a ________.

A. science news report B. book review

C. newspaper ad D. science fiction story

生活中困难不可避免，面对各种困难需要信心。假如你是李华，尝试举例说明信心在学习、考试、生活等方面的作用，并就面对困难的态度谈谈你的看法。
注意：
(1)可适当加入发挥，以使行文连贯;
(2)词数：100左右。
(3)开头已经给出。
It is well-known that we live in a dynamic world with various difficulties.

Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger and heavier than the devices themselves. University of Missouri(MU) researchers are developing a nuclear energy source that is smaller, lighter and more efficient.

“To provide enough power, we need certain methods with high energy density(密度)”，said Jae Kwon, assistant professor of electrical and computer engineering at MU. “The radioisotope(放射性同位素) battery can provide power density that is much higher than chemical batteries.”

Kwon and his research team have been working on building a small nuclear battery, presently the size and thickness of a penny, intended to power various micro / nanoelectromechanical systems (M/NEMS). Although nuclear batteries can cause concerns, Kwon said they are safe.

“People hear the word ‘nuclear’ and think of something very dangerous,” he said, “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems.”

His new idea is not only in the battery’s size, but also in its semiconductor(半导体). Kwon’s battery uses a liquid semiconductor rather than a solid semiconductor.

“The key part of using a radioactive battery is that when you harvest the energy, part of the radiation energy can damage the lattice structure(晶体结构) of the solid semiconductor,” Kwon said, “By using a liquid semiconductor, we believe we can minimize that problem.”

Together with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, Kwon is working to build and test the battery. In the future, they hope to increase the battery’s power, shrink its size and try with various other materials. Kwon said that battery could be thinner than the thickness of human hair.

1.Which of the following is true of Jae Kwon?

A. He teaches chemistry at MU.

B. He developed a chemical battery.

C. He is working on a nuclear energy source.

D. He made a breakthrough in computer engineering.

2. Jae Kwon gave examples in Paragraph 4_________.

A. to show chemical batteries are widely applied.

B. to introduce nuclear batteries can be safely used.

C. to describe a nuclear-powered system.

D. to introduce various energy sources.

3.Liquid semiconductor is used to _________.

A. get rid of the radioactive waste

B. test the power of nuclear batteries.

C. decrease the size of nuclear batteries

D. reduce the damage to lattice structure.

4. According to Jae Kwon, his nuclear battery _______.

A. uses a solid semiconductor

B. will soon replace the present ones.

C. could be extremely thin

D. has passed the final test.

5.The text is most probably a ________.

A. science news report B. book review

C. newspaper ad D. science fiction story

PART FOUR WRITING (45%)

There are three branches of medicine. One is called "doctor medicine," or "scientific medicine." Scientific doctors try to observe sicknesses, look for logical patterns, and then find out how the human body works. From there they figure out what treatments may work. This kind of medicine is believed to date from the 4th century BC. Although nowadays it is successful, in the ancient world this approach probably did not cure many patients.

A second kind of medicine is called "natural cures," or "folk medicine," in which less educated people try to cure sicknesses with various herbs. These folk healers also use observation and logic, but they are not so aware of it. They try things until they find something that seems to work, and then they keep doing that. Folk medicine flourished（繁荣） long before the development of scientific medicine and was more successful in ancient times than doctor medicine.

The third kind is called "health spas," or "faith healing." Sometimes this may be as simple as touching the holy man and being immediately healed. Other times, a magician may make you a magic charm, or say a spell, to cure you. Some religious groups organize special healing shrines（圣坛） for the sick. In these places people rest, get plenty of sleep, eat healthy food, drink water instead of wine, and exercise in various ways. They also talk to the priests and pray to the gods. If you are feeling depressed or you have been working too hard, going to these places may be just the right thing to make you feel better.

1.Doctor medicine __________.

A．has a longer history than folk medicine

B．has been practiced for around 1,600 years

C．bases its treatments on observation and logic

D．was very successful in curing sicknesses in ancient times

2.According to the passage, which of the following is NOT used in health spas?

A．Magic power.

B．Various herbs.

C．Religious faith.

D．A healthy life style. _高#_考￥资@_源网

3.According to the passage, which of the following statements is true?

A．Folk healers choose different herbs to cure diseases without any sound basis.

B．People who practice folk medicine need lots of formal education on herbs.

C．The success of folk medicine led to the development of doctor medicine.

D．Natural cures worked better than scientific medicine in ancient times.

4.The author's primary purpose in this passage is to __________.

A．describe different types of medicine

B．argue for the importance of medicine in health care

C．show the crucial role religion plays in medical treatments

D．compare the educational background of three different types of patients

第三部分任务型阅读（一）（共10小题；每小题1分，满分10分）

Going up to university to study for a degree means you have decided to study professionally, rather than as an amateur; so being a student is now your profession for at least the next four years.

This involves a change of attitude in many ways. Now, instead of taking several subjects, you have chosen one major subject because you find it interesting and worth exploring further. You also have before you the goal of getting a degree. The degree and the stages you have to pass through to achieve it give you motivation. You are no longer forced to stay in school all day, and apart from your class time, you organize your own time and place for studying.

Another change is in the relationship with those who teach you. You are there to study actively rather than to be taught passively. Your teachers may or may not urge you, but they do want you to share their interest in the subject and they want you to succeed. If you get work back with a poorer mark than you expected and with various criticisms, don’t feel discouraged by this; if you don’t understand what is wrong and how to improve, ask your teacher to explain and don’t be satisfied until you do understand.

Professionalism involves training and practicing. Some activities, like reading, note-taking, speaking and discussing are basic to studying. Make sure you can do these effectively. You have to use time well, and practice to improve your skills.

Effective reading is part of your training. Since it is a learned skill we can change the way we did since in primary school and relearn it. Learn how to read fast—how to read with your eyes rather than your throat, how to ignore words like “of” and “the”, and how to keep what you read.

You take notes in class for yourself, not for anyone else, so make your notes easy to read, economical and pleasing to the eye. Vary the arrangement on the page to suit the material (diagrams, columns, underlining), use colored pens for different topics to catch the eye and make things stand out. Work out your own shorthand speedwriting.

Group discussions give you a chance to train your ability to express yourself. Don’t be the non-speaking member of the group. Take an active part in the discussion. In the future you are almost certainly going to have to be good at speaking, so get into the way of talking about your subject now. This is actually more fun than sitting being silently uncomfortable. Nobody will think what you say is foolish. Everyone will be thankful not to face embarrassed silence.

___ with various research projects, that scientist can’t even find time to visit his parents.

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