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。

Mark was walking home from school one day when he noticed the boy ahead of him had tripped and dropped all of the books he was carrying, along with two sweaters, a baseball bat, a glove and a small tape recorder. Mark knelt down and _________ the boy pick up the scattered (散落的) articles. _________ they were going the same way, he helped to carry part of the _________ . As they walked, Mark _________ the boy’s name was Bill, that he loved video games, baseball and history, that he was having lots of _________ with his other subjects and that he had just _________ with his girlfriend.

They arrived at Bill’s home first and Mark was _________in for a Coke and to watch some television. The afternoon passed _________ with a few laughs and some shared small talk, and then Mark went home. They _________ to see each other around school, had lunch together once or twice, and then both _________ from junior high school. They ended up in the same high school where they had brief contacts over the years. Finally the long-awaited senior year _________ and three weeks before graduation, Bill asked Mark if they could _________.

Bill _________ him of the day years before when they had first met. “Did you ever _________ why I was carrying so many things home that day?” asked Bill. “You see, I cleaned out my locker because I didn’t want to leave a mess for anyone else. I had _________ some of my mother’s sleeping pills and I was going home to commit suicide (自杀). _________ after we spent some time together talking and _________ , I realized that if I had killed myself, I would have _________ that time and so many others that might follow. So you see, Mark, when you _________ those books that day, you did a lot more. You _________ my life.”

1.A. showedB. orderedC. controlledD. helped

2.A. UnlessB. AlthoughC. SinceD. If

3.A. strengthB. burdenC. backpackD. weight

4.A. guessedB. askedC. learnedD. discussed

5.A. secretB. troubleC. funD. enthusiasm

6.A. kept upB. ended upC. made upD. split up

7.A. ledB. invitedC. sentD. taken

8.A. extraordinarilyB. slowlyC. delightfullyD. fortunately

9.A. continuedB. insistedC. promisedD. decided

10.A. jumpedB. leftC. cameD. graduated

11.A. leftB. cameC. wentD. lost

12.A. contactB. playC. travelD. talk

13.A. warnedB. informedC. guidedD. reminded

14.A. doubtB. wonderC. imagineD. know

15.A. storedB. eatenC. boughtD. adopted

16.A. SoB. AsC. BecauseD. But

17.A. eatingB. playingC. laughingD. studying

18.A. killedB. sparedC. cutD. missed

19.A. took upB. picked upC. brought upD. looked up

20.A. savedB. correctedC. madeD. prepared

For thousands of years, people thought of glass as something beautiful to look at. Only recently have they come to think of it as something to look through. Stores display their goods in large glass windows. Glass bottles and jars that hold food and drink allow us to see the contents. Glass is used to make eyeglasses, microscopes, telescopes, and many other extremely useful and necessary objects.

Until the Second World War, most of the glass used for optical instruments was imported from Europe. However, during the war Americans could not get European glass, and they were forced to make their own. As a result, new kinds of glasses were developed that had been previously unknown. These new effects were achieved by mixing other chemical elements with the sand. Some of these new glasses are very strong and can resist many kinds of shocks. Legend has it that a very hard glass was invented by a Roman who showed his discovery to the Emperor. When the Emperor saw the glass he feared that it would become more valuable than gold and sliver, making his treasure worthless. Therefore, he had the glassmaker killed, and the secret was not discovered again for hundreds of years.

In the present century, safety glass was invented for use in modern cars and planes. Safety glass is made by placing a layer of plastic between two layers of plate glass. When the outside layer of glass is broken, the pieces do not scatter and injure people. Some glass of the type is strong enough to resist bullets.

Although in recent years plastics have replaced glass under conditions where glass might be easily broken, there are new uses being developed , for the greatest advantage of glass is that its component parts are inexpensive and can be found all over the world.

1.With the passage of time, glass _________.

A. is regarded as transparent

B. is no longer seen as decoration

C. is used to make things look pleasant

D. is widely used to replace steel in making containers

2.Why did Americans make their own glass during the Second World War?

A. The war blocked the way of glass import.

B. They refused to use the European glass.

C. The glass made in Europe was out of date.

D. They were able to make a new kind of glass.

3. By telling the legend, the author wants to _________.

A. prove that the Roman was the first inventor of hard glass

B. support that the Americans were as clever as the Romans

C. give some interesting information about hard glass

D. provide a historical event concerned with hard glass

4.New uses of glass are being developed on the ground that _________.

A. glass is not as safe as plastics

B. glass is not as strong and durable as plastics

C. glass is easily obtainable and inexpensive

D. glass is more and more widely used

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