题目
题型：不详难度：来源：
Computer games do have their 3 . They are excellent for training hand /eye coordination (协调). Surgeons(外科医生) who played computer games 4 children are often more practical . Computer games can also be 5 for teaching students. The students are open to learning while playing. They can study for longer than a 6 would be able to teach . Students can also learn at their own speed and not feel 7 to match classmates. And with computers you can 8 a task as many times as you like . The more you do this, the better you will get, 9 you can do it perfectly .
But like anything else in life, things should be 10 . Too much time on the computer can 11 your eyes . Regular breaks are needed. If students cannot 12 playing computer games , they won’t do as well in other areas in their life-not just schoolwork, 13 in developing important social skills such as how to talk with people and how to work with others as part of a 14 . And their health will become worse if they are 15 taking regular exercise.
Computer games have their place, but people must also remember it is important to have a balanced lifestyle.
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答案
小题1:A
小题2:C
小题3:B
小题4:D
小题5:A
小题6:A
小题7:A
小题8:B
小题9:B
小题10:C
小题11:B
小题12:C
小题13:A
小题14:D
小题15:B
解析
试题分析：这篇短文描述了过度玩电脑游戏对孩子的危害，同时也指出了电脑游戏的积极有益的一面，告诉人们要保持一种平衡的生活方式。
小题1:联系上下文可知句意为：很自然每个人都想赢，故选A。
小题2:联系上文每个人都想赢，及下文“ Just one more game, ” often turns into another game, then another.描述。可知句意为很难停下来，故选C。
小题3:词义辨析。A. 规则 B.建议 C.优势 D.自由。根据下文They are excellent for……可知电脑游戏也有他们的优势,故选C。
小题4:结合语境可知此处指的是像孩子们一样玩电脑游戏的外科医生,故选D,和……一样。
小题5:联系上文，根据下文The students are open to learning while playing.可知选C，电脑游戏对于教学生也很有好处。故选A，好的。
小题6:联系下文would be able to teach 可知此处指的是老师，故选A，老师。
小题7:联系下文，可知学生们不会因为和同学们比赛而感到有压力，故选C,紧张的，有压力的。
小题8:联系下文，可知此处指的是你只要想练习多少次就可以练习多少次，故选B，练习。
小题9:连词辨析。A.当……时；B.直到；C.在……之后；D.然而,当……时。联系下文，可知此处指的是知道你能完全做好她。故选B。
小题10:联系下文，可知此处指的是事情应该保持平衡，故选C，平衡的，和谐的。
小题11:根据上文.Too much time on the computer 可知选B，玩电脑时间太多会伤害你的眼睛。
小题12:根据下文they won’t do as well in other areas 及后面描述可知句意为：如果学生不能停止玩电脑游戏，故选C。
小题13:连词辨析。A.但是；C.和，并且；C.或者，否则；D.虽然，尽管。联系上下文，可知前后为转折关系，故选A，但是在发展社会技能方面，比如……。
小题14:联系前文，如何与其他人共事，可知此处指的是作为团队的一部分，故选D，团队。
小题15:上下文，可知此处指的是如果他们不再参加有规律的锻炼，他们的健康就会变得更差。故选B，不再。
点评：本题短文内容不难理解，但是部分小题与上下文联系不大，部分题型甚至可以独立成题。因此在解答中有必要认真分析，把他们当成一个独立的选择题来对待。完成后多读几遍，看看上下文是否语句通顺，符合逻辑关系。
核心考点
试题【Computer games are very popular. It is natural for people towant to 1 , so pla】；主要考察你对科普环保类等知识点的理解。[详细]
举一反三
Many things at the mall use energy. Electric lights, infrared faucets and air-conditioners need electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the lights less bright. When malls keep lights clean, they can use fewer lights and keep the area just as bright ,Using fewer lights means using less energy.
You step up to the water faucet. The water starts to flow. You don"t have to touch a thing. Why do malls have such fancy faucets?. The answer is simple. They save water. Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off.
The…
小题1:________is a hot topic for a big mall.
| A．To spend money | B．To save energy |
| C．To keep the mall bright | D．To buy things |
| A．they save water | B．they are fancy | C．they are simple | D．they turn themselves off |
| A．Using fewer lights. | B．Using infrared faucets. |
| C．Using air-conditioners | D．Keeping lights clean. |
| A．How to save water when using infrared faucets in the mall |
| B．How to save energy when using air-conditioners in the mall |
| C．How to save money when shopping in the mall. |
| D．How to spend money when shopping in the mall. |
| A．Lights, faucets and air-conditioners |
| B．Spending less money |
| C．Energy saving at the mall |
| D．A hot topic |
To lift something from the floor correctly, first bend (弯曲) your knees and lower yourself. Keep your back straight. Do not bent over, from your waist (腰) keep your back and hips (臀部) and waist in a line. If you bent over, the muscles in your lower back can became hurt very easily. If you keep your back and hips straight, the muscles are stronger, because they hold up together. The other muscles can then help the lower back muscles.
As you lower yourself, try to get as close to thing as you can, put one knee on each side of the thing. Remember at all times to keep your back straight. Put your hand under the thing that is in front of you, between y our knees.
To lift the thing, you should stand up slowly. Use your leg muscles in order to stand up. In other words, lift with your legs, not with your back.
小题1:Which part of your body is more easily to be hurt when you lift heavy things?
| A．The leg muscles. | B．The back muscles |
| C．The hips | D．The knees |
| A．they are not strong |
| B．the things are very heavy |
| C．the way to lift the things is not correct |
| D．they are very heavy |
| A．keep your back, hips and waist in a line |
| B．bend over from your waist |
| C．lower yourself |
| D．get down on your knees |
| A．stand up slowly |
| B．keep your back straight |
| C．bend your knees |
| D．put one knee on each side |
| A．总而言之 | B．换句话说 | C．在其它话中 | D．在其它单词中 |
NASA(美国航空航天局) said it would use a high-tech machine to recycle wastewater at the ISS. The machine will recycle water for washing hands, shower water, water for brushing teeth and even urine to make drinking water. It will save millions of dollars each year.
At present, each ISS astronaut uses about 4.4 liters(升) of water every day. It costs about 24 million dollars a year to send water up to the ISS. A liter of water costs about $ 11,000.
The machine will be sent to the ISS later. NASA hopes it will recycle about 93% of all the water used on the station.
Will the water be clean? Different chemicals will be put in the wastewater. The water will be heated to 130℃ to kill bacteria(细菌). Scientists say that the recycled water is thousands of times better than the water from a city tap.
小题1:NASA will use a high-tech machine to recycle wastewater at the ISS to ______.
| A．protect the ISS |
| B．make the astronauts work harder |
| C．provide better water and food for the astronauts |
| D．save the cost of sending water up to the ISS |
| A．4.4 thousand | B．11 thousand |
| C．48.4 thousand | D．24 million |
| A．freezing | B．heating |
| C．shaking | D．precipitating(沉淀) |
| A．water recycling at the ISS |
| B．the International Space Station |
| C．a high-tech machine |
| D．the cost of NASA |
| A．The recycled water is much better than that from a city tap. |
| B．The high-tech machine will recycle all the water used on the station. |
| C．The ISS astronauts use more water than us. |
| D．The high-tech machine can only recycle urine to make water. |
“Maybe these kids are being asked to rise at the wrong time for their bodies,” says Mary Carskadon, a professor looking at problem of adolescent (青春期的)sleep at Brown’s School of Medicine.
Carskadon is trying to understand more about the effects of early school time in adolescents. And, at a more basic level, she and her team are trying to learn more about how the biological changes of adolescence affect sleep needs and patterns(方式).
Carskadon says her work suggests that adolescents may need more sleep than they did at childhood, no less, as commonly thought.
Sleep patterns change during adolescence, as any parent of an adolescent can prove. Most adolescents prefer to stay up later at night and sleep later in the morning. But it’s not just a matter of choice---their bodies are going through a change of sleep patterns.
All of this makes the transfer(迁移)from middle school to high school---which may start one hour earlier in the morning----all the more difficult, Carskadon says. With their increased need for sleep and their biological clocks set on the “sleep late, rise late” pattern, adolescents are up against difficulties when they try to be up by 5 or 6 a.m. for a 7:30 a.m. first bell. A short sleep on a desktop may be their body’s way of saying. “I need a timeout.”
小题1:Carskadon suggests that high schools should not start classes so early in the morning because _______.
| A．it is really tough for parents to enforce bedtime |
| B．it is biologically difficult for students to rise early |
| C．students work so late at night that they can’t get up early |
| D．students are so lazy that they don’t like to go to school early |
| A．turn around | B．agree with others | C．fall asleep | D．refuse to work |
| A．Adolescents depend more on their parents. |
| B．Adolescents have to choose their sleep patterns. |
| C．Adolescents sleep better than they did at childhood. |
| D．Adolescents need more sleep than they used to. |
| A．Adolescent health care. |
| B．Problems in adolescent learning. |
| C．Adolescent sleep difficulties. |
| D．Changes in adolescent sleep needs and patterns. |
Xu Hanchi, 13:
I went to a square（广场）in a local university with my classmates to do cleaning. We swept off the fallen leaves and picked up rubbish. When we finished, the ground was very clean. Though no one came up to praise us, we still felt very happy. We learned that doing good things itself could make us happy.
Zhu Lingyue, 14:
My group cleaned the teachers’ office that day. When we got there, we were surprised that the office was not as clean as we expected. How could teachers work in such an untidy（不整洁的） place? We started cleaning quickly. Teachers work really hard and may not have the time to clean their offices. It’s great that we can do something to help make them less tired.
Tom Rui, 14:
We helped clean the yard in the front of a hospital, but some patients（病人） there left us a very bad impression（印象）. They were very impolite and shouted at nurses and doctors. I think nurses and doctors’ work is hard. They try their best to help us. We should give them more respect and understanding.
小题1:The three children did lots of kind deeds _________
| A．on March 5 | B．on March 8 | C．on March 4 | D．on March 3 |
| A．cleaned the yard | B．cleaned the teachers’s office |
| C．cleaned a square | D．cleaned a hospital. |
| A．kind | B．polit | C．happy | D．rude |
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