题目内容

完形填空,阅读下面短文.从短文后各题所给的四个选项A、B、C、D中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

Old George selected(挑选) his food in the supermarket more carefully than NASA chose its astronauts. When he left the cashier, he was ________ to think that he had saved 80 cents today.

At the exit, the cold wind made him ________ his gloves. He looked for them in his coat and pants ________ could not find them anywhere. He had bought the black gloves at a(an) ________ price, for just $35, years ago. They were ________ and very comfortable. He had taken great care looking ________them, so they were in good condition.

George, calm on the outside but mad on the inside, re-entered the ________. He followed the same route he had walked before. Several minutes of searching turned out to be in vain (徒劳). His ________ were gone. “People have changed,” he said to himself. “Years ago, if somebody picked up something lost, they would give it back. Not any more!”

He stared at anybody wearing black gloves to see if they looked like ________. On his way to the dairy section, he ________ a lady wearing a pair of black gloves. He sped up and in three seconds was in front of her. But ________ the surprised woman looked over, his eyes dropped, for her gloves were just far too small to be his. He went over to the cashier to ask if she had received any lost gloves, but she said no. He finally walked out________ the street.

A few days later, poor George decided to buy another leather pair. ________ getting on the subway, he stepped into the supermarket again. He wanted to see if by any chance his gloves had been returned to the lost and found office. “What color are they?” the woman in the office asked. “Black,” he ________the same answer. She looked into her drawer and drew out a pair of ________ leather gloves. “Are they?”

“Yes! Those are mine,” George exclaimed, his eyes full of joy.

1.A. sad B. sorry C. pleased D. worried

2.A. think of B. think about C. think over D. think for

3.A. when B. and C. but D. so

4.A. good B. high C. cheap D. expensive

5.A. hard B. soft C. new D. small

6.A. for B. after C. at D. over

7.A. exit B. condition C. store D. office

8.A. coats B. pants C. gloves D. cents

9.A. him B. his C. them D. theirs

10.A. caught B. knocked C. held D. noticed

11.A. although B. when C. unless D. until

12.A. of B. off C. on D. into

13.A. After B. When C. While D. Before

14.A. returned B. got C. gave D. took

15.A. kid’s B. men’s C. women’s D. lady’s

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If the only sports you do are dancing your fingers across your keyboard, you could be in serious danger of more than just becoming overweight and out of shape.

Do you often feel sleepy, like something is weighing down on your head? Do you feel forgetful? Do you sometimes feel uncomfortable up and down your neck and lower back, and you can’t explain why? Do you get sick often? It could be radiation (辐射) from your computer causing it. If you spend three hours or more a day in front of a computer (and at this point, who doesn’t?), you are more easily harmed by the hazards.

We have got so used to using computers that we often neglect (忽视) to think of them as dangerous sources of harmful radiation. A safe amount of radiation is 25 V/m (Volts/meter). Do you want to guess how much our personal computers give off?

Keyboard: 1000 V/m

Mouse: 450 V/m

Monitor: 218V/m

CPU: 170V/m

Notebook computers: 2,500 V/m

Ways of Protect Yourself from Harmful Computer Radiation

1. Decorate your desk with cactus (仙人掌) plants, they take in radiation.

2. Drink two to three cups of green tea a day and eat an orange daily. The vitamins in tea leaves and oranges protect us from radiation and keep our eyes healthy as well.

3. Use a screen filter(滤色镜) for your monitor.

4. Avoid having metal objects (金属物体) nearby on your desk.

5. Put the back of the computer to the wall. Most of the radiation comes off the back.

6. Keep your monitor at least 50cm away from your face.

7. Keep your computer rooms ventilated (空气流通的).

8. Eat healthily-----especially fruits and vegetables.

9. Don’t fall asleep on your computer. Turn it off if you have to rest nearby.

The ways above are useful, why not have a try at once?

1.Sitting to close to your computer for too long can cause .

A. your fingers to turn blue

B. radiation sickness

C. your parents to think you’re smart

D. your games scores to go down

2.The underlined word “hazards” in paragraph 2 means .

A. illness B. feelings C. danger D. headache

3.How can you avoid the affects (影响) of radiation?

A. Spend less time at your computer.

B. Use plastic to cover your screen.

C. Type in a dark room.

D. Have your cat do your homework for you.

4.Which of the following is NOT true according to the passage?

A. Cactus plants take in harmful radiation.

B. Eating healthily helps you stay well.

C. You should fall asleep at your computer daily.

D. A well ventilated room is good prevention.

5.The best title of the passage is .

A. Computer problems

B. Computer radiation: a silent killer

C. Protect yourself

D. Harmful radiation

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