题目内容

Charles R. Drew was a medical student at Columbia University in New York. Before he graduated, he wrote an article __41___ blood bank, that is, the storing of blood. Up till then, a lot of people had died from loss of blood __42___ there was no blood bank.
When the United States entered the Second World War, it became __43___ to set up blood banks. Dr Drew became __44___ of the Red Cross’s first blood bank. When the Red Cross __45___ blood banks to collect and store blood for men __46__ in battle, black American gave blood along with the whites. At ___47__ their blood was not accepted. Later blood from the blacks was ___48___ but was stored in a __49___ place from “white” blood. Although the best doctors __50___ that there was __51___ difference at all between the blood of blacks and whites, the Red Cross, with the support of the government, __52___ to separate black blood from white blood.
After the war, Dr Drew was ___53__ from Washington with three other doctors to attend a medical meeting in a southern state. In northern Carolina their car went __54___ a ditch(深沟)and Dr Drew was __55___ hurt. He had lost __56__ blood by the time a passing car took him to the __57___ hospital. But they were stopped at the gate of the hospital. “__58__him to the hospital for blacks.” No matter __59___ they said, they could not get into the hospital. They had to take him to the __60___ hospital, but on the way Dr Drew died because he had lost too much blood.

【小题1】
A.ofB.onC.forD.in
【小题2】
A.thoughB.ifC.becauseD.and
【小题3】
A.possibleB.impossibleC.unimportantD.necessary
【小题4】
A.visitorB.headC.receiverD.supporter
【小题5】
A.startedB.expectedC.promisedD.forbade
【小题6】
A.diedB.killedC.woundedD.fighting
【小题7】
A.mostB.leastC.firstD.last
【小题8】
A.receivedB.acceptedC.lostD.found
【小题9】
A.goodB.coolC.hotD.separate
【小题10】
A.discoveredB.inventedC.insistedD.regretted
【小题11】
A.littleB.muchC.someD.no
【小题12】
A.beganB.refusedC.stoppedD.continued
【小题13】
A.drivingB.walkingC.arrivingD.running
【小题14】
A.fromB.intoC.alongD.off
【小题15】
A.hardlyB.nearlyC.badlyD.not
【小题16】
A.someB.littleC.allD.much
【小题17】
A.biggestB.most modernC.nearestD.cheapest
【小题18】
A.TakeB.BringC.Send forD.Find
【小题19】
A.howB.whatC.whereD.who
【小题20】
A.coloredB.betterC.farthestD.same


【小题1】B
【小题1】C
【小题1】D
【小题1】B
【小题1】A
【小题1】C
【小题1】C
【小题1】B
【小题1】D
【小题1】C
【小题1】D
【小题1】D
【小题1】A
【小题1】B
【小题1】C
【小题1】D
【小题1】C
【小题1】A
【小题1】B
【小题1】A

解析

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相关题目

Microwaves may be great at warming up food, but what about warming people?

    Using microwaves to directly heat owners of a room would save much of the energy wasted by heating walls and furniture. And despite popular ideas about microwaves, this technique would be safe, according to Charles R. Burlier of the Microwave Research Center in Marlborough, New Hampshire. Low-power microwaves only penetrate (贯穿) the skin (low-power microwave penetration in a ham is about 0.2 inches, for example) and with no negative effects.

    To test this idea, Buffler subjected himself to microwaves in a special room using a standard 500-watt, 2459 MHz magnetron (磁控管). He found that a person will start to feel warmth at about 20 kilowatts per square centimeter (mw. / sq. cm. ) ; a satisfactory feeling of warmth occurs between 35 and 50 mw. / sq. cm. By comparison, a person standing in noonday summer sun feels the amount of 85 mw. / sq. cm. And a frozen meat pie in your microwave oven receives about 1000 mw. / sq. cm.

    In houses of the future, each room could be provided with its own magnetron, says Buffler. When you stepped into the living room, for example, a motion detector (运动感应器)would turn on the magnetron, filling the room with low-power microwaves. In the same way that a microwave oven heats up a hamburger, but not the plate it’s on, you would feel warmth from the microwaves without changing the temperature of your coffee table. (You could, however, make your favorite easy chair even more comfortable by treating it with a radiation-absorbing chemical.)

    While it might be some time before homeowners are comfortable enough with the idea to set up whole-body microwave heaters in houses, Buffler says microwaves may attract livestock(家畜) farmers. Lambs that are born outdoors in winter, for example, are frequently lost to cold. Microwaves could warm the lambs safely and quickly.

Which of the following can tell the main idea of the passage?

A. A new heating system.   

B. A new microwave oven.

C. A popular technique.

D. The magnetron.

According to Paragraph 2, which of the following does not describe the characteristics of a microwave heater?

A. It directly heats people in a room.         

B. It heats walls and furniture in a room.

C. It is safe.                            

D. It saves energy.

The test conducted by Buffler shows that when a person feels comfortable warmth, he receives about ________________.

A. 20 mw. / sq. cm.     B. 40 mw. / sq. cm.

C. 60 mw. / sq. cm.         D. 85 mw. / sq. cm.

According to Paragraph 4, which of the following fills the room with low-power microwaves?

A. The magnetron.  

B. The motion detector.

C. The microwave oven. 

D. The radiation-absorbing chemical.

Which of the following statements about microwave heaters would Buffler most probably agree with?

    A. Microwave heaters will soon be widely used by homeowners.

    B. Microwave heaters sometimes make people feel uncomfortable.

    C. Perhaps microwave heaters will be first used by livestock farmers, who wish to protect their lambs in winter.

D. Microwave heaters cannot be accepted by the public because they are somewhat unsafe.                                   

Charles R. Drew was a medical student at Columbia University in New York. Before he graduated, he wrote an article __26___ blood bank, that is, the storing of blood. Up till then, a lot of people had died from loss of blood __27___ there was no blood bank.

When the United States entered the Second World War, it became __28___ to set up blood banks. Dr Drew became _29___ of the Red Cross’s first blood bank. When the Red Cross __30___ blood banks to collect and store blood for men __31__ in battle, black American gave blood along with the whites. At ___32__ their blood was not accepted. Later blood from the blacks was ___33___ but was stored in a __34___ place from “white” blood. Although the best doctors __35___ that there was _36___ difference at all between the blood of blacks and whites, the Red Cross, with the support of the government, __37___ to separate black blood from white blood.

After the war, Dr Drew was ___38__ from Washington with three other doctors to attend a medical meeting in a southern state. In northern Carolina their car went __39___ a ditch(深沟)and Dr Drew was _40___ hurt. He had lost __41__ blood by the time a passing car took him to the __42___ hospital. But they were stopped at the gate of the hospital. “__43__him to the hospital for blacks.” No matter __44___ they said, they could not get into the hospital. They had to take him to the __45___ hospital, but on the way Dr Drew died because he had lost too much blood.

1.

A.of

B.on

C.for

D.in

 

2.

A.though

B.if

C.because

D.and

 

3.

A.possible

B.impossible

C.unimportant

D.necessary

 

4.

A.visitor

B.head

C.receiver

D.supporter

 

5.

A.started

B.expected

C.promised

D.forbade

 

6.

A.died

B.killed

C.wounded

D.fighting

 

7.

A.most

B.least

C.first

D.last

 

8.

A.received

B.accepted

C.lost

D.found

 

9.

A.good

B.cool

C.hot

D.separate

 

10.

A.discovered

B.invented

C.insisted

D.regretted

 

11.

A.little

B.much

C.some

D.no

 

12.

A.began

B.refused

C.stopped

D.continued

 

13.

A.driving

B.walking

C.arriving

D.running

 

14.

A.from

B.into

C.along

D.off

 

15.

A.hardly

B.nearly

C.badly

D.not

 

16.

A.some

B.little

C.all

D.much

 

17.

A.biggest

B.most modern

C.nearest

D.cheapest

 

18.

A.Take

B.Bring

C.Send for

D.Find

 

19.

A.how

B.what

C.where

D.who

 

20.

A.colored

B.better

C.farthest

D.same

 

    Microwaves may be great at warming up food, but what about warming people?

    Using microwaves to directly heat owners of a room would save much of the energy wasted by heating walls and furniture. And despite popular ideas about microwaves, this technique would be safe, according to Charles R. Buffler of the Microwave Research Center in Marlborough, New Hampshire. Low-power microwaves only penetrate (贯穿) the skin (low-power microwave penetration in a ham is about 0.2 inches, for example) and with no negative effects.

    To test this idea, Buffler subjected himself to microwaves in a special room using a standard 500-watt, 2459 MHz magnetron (磁控管). He found that a person will start to feel warmth at about 20 milliwatts per square centimeter (mw. /sq.cm.); a satisfactory feeling of warmth occurs between 35 and 50 mw./sq.cm. By comparison, a person standing in noonday summer sun feels the amount of 85 mw./sq.cm. And a frozen meat pie in your microwave oven receives about 1000 mw./sq. cm.

    In houses of the future, each room could be provided with its own magnetron, says Buffler. When you stepped into the living room, for example, a motion detector would turn on the magnetron, filling the room with low-power microwaves. In the same way that a microwaves oven heats up a hamburger, but not the plate it’s on, you would feel warmth from the microwaves without changing the temperature of your coffee table. (You could, however, make your favorite easy chair even more comfortable by treating it with a radiation-absorbing chemical.)

    While it might be some time before homeowners are comfortable enough with the idea to set up whole body microwave heaters in houses, Buffler says microwaves may attract livestock farmers. Lambs that are born outdoors in winter, for example, are frequently lost to cold. Microwaves could warm the lambs safely and quickly.

1. Which of the following can tell the main idea of the passage?

    A. A new heating system.    B. A new microwave oven.

    C. A popular technique.     D. The magnetron.

2. The test conducted by Buffler shows that when a person feels comfortable warmth, he receives about ____.

    A. 20 mw. / sq. cm.         B. 40 mw. / sq. cm.

    C. 60 mw. / sq. cm.         D. 85 mw. / sq. cm.

3. According to paragraph 4, which of the following fills the room with low-power microwaves?

    A. The magnetron.       B. The motion detector.

    C. The microwave oven.      D. The radiation-absorbing chemical.

4. Which of the following statements about microwave heaters would Buffler most probably agree with?

    A. Microwave heaters will soon be widely used by homeowners.

    B. Microwave heaters sometimes make people feel uncomfortable.

C. Microwave heaters will be probably first used by livestock farmers to protect their lambs in winter.

D. Microwave heaters cannot be accepted by the public because they are somewhat unsafe.

 

 

 Charles R. Drew was a medical student at Columbia University in New York. Before he graduated, he wrote an article __41___ blood bank, that is, the storing of blood. Up till then, a lot of people had died from loss of blood __42___ there was no blood bank.

When the United States entered the Second World War, it became __43___ to set up blood banks. Dr Drew became __44___ of the Red Cross’s first blood bank. When the Red Cross __45___ blood banks to collect and store blood for men __46__ in battle, black American gave blood along with the whites. At ___47__ their blood was not accepted. Later blood from the blacks was ___48___ but was stored in a __49___ place from “white” blood. Although the best doctors __50___ that there was __51___ difference at all between the blood of blacks and whites, the Red Cross, with the support of the government, __52___ to separate black blood from white blood.

After the war, Dr Drew was ___53__ from Washington with three other doctors to attend a medical meeting in a southern state. In northern Carolina their car went __54___ a ditch(深沟)and Dr Drew was __55___ hurt. He had lost __56__ blood by the time a passing car took him to the __57___ hospital. But they were stopped at the gate of the hospital. “__58__him to the hospital for blacks.” No matter __59___ they said, they could not get into the hospital. They had to take him to the __60___ hospital, but on the way Dr Drew died because he had lost too much blood.

1.A. of             B. on               C. for                  D. in

2.A. though         B. if               C. because              D. and

3.A. possible       B. impossible       C. unimportant          D. necessary

4. A. visitor      B. head             C. receiver             D. supporter

5.A. started        B. expected         C. promised             D. forbade

6. A. died         B. killed           C. wounded              D. fighting

7.A. most           B. least            C. first                D. last

8.A. received       B. accepted         C. lost                 D. found

9. A. good         B. cool             C. hot                  D. separate

10.A. discovered   B. invented         C. insisted             D. regretted

11.A. little            B. much         C. some                 D. no

12.A. began        B. refused          C. stopped              D. continued

13.A. driving      B. walking          C. arriving             D. running

14.A. from         B. into             C. along                D. off

15.A. hardly       B. nearly           C. badly                D. not

16.A. some         B. little           C. all                  D. much

17.A. biggest      B. most modern      C. nearest              D. cheapest

18.A. Take         B. Bring            C. Send for         D. Find

19.A. how          B. what             C. where            D. who

20.A. colored      B. better           C. farthest             D. same

 

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