得分評卷人
Ⅱ.Reading Comprehension 20%
Directions：There are two passages in this part.Each passage is followed by five questions or unfinished statements.For each of them, there are four choices marked A，B，C and D.You should decide on the BEST CHOICE.
Passage One
It is difficult for doctors to help a person with a hurt brain. Without enough blood, the brain lives only three to five minutes. Sometimes the hurt brain gets better by itself. More often the doctors cannot fix the hurt brain. Sometimes they are afraid to try something to help. It is dangerous to work on the brain. The doctor might make the person worse if he works on the brain.
Doctor Robert White, a famous professor and doctor, thinks he knows a way to help. He thinks doctors should try to make the brain become very cold. If it is very cold, the brain can live without blood for 30 minutes. This gives the doctors a longer time to do something for the brain. Doctor White tried his idea on 13 monkeys. First he taught them to do different jobs. Then he operated on them. He made the monkeys blood go through a machine. The machine cooled the blood. Then the machine sent the blood back to the monkeys brain. When the brains temperature was 10 degrees, Doctor White stopped the blood to the brain. After 30 minutes he turned the blood back on. He warmed the blood again. After their operations, the monkeys were as the same as before. They were healthy and busy. Each one could still do the jobs the doctor had taught them.
Doctor Whites idea works well on monkeys. Are there other problems with human beings? Doctor White thinks doctors will use his idea on human beings. He thinks it will help people who have to die when their heart stops; doctors can start it again. The problem comes when the brain is without blood for three to five minutes; the person has a living body, but a dead brain. Maybe in the future, doctors will try Doctor Whites idea. When the persons heart stops, the doctors will quickly try to cool the blood. They will have 30 minutes to start the heart again. Maybe there will be no problem with the brain.
()1.Which of the following expresses the main idea of the first paragraph?
A.Not many doctors can help a hurt brain to recover.
B.Without blood the brain can only live for five minutes.
C.A hurt brain is not an easy problem for doctors to cope with.
D.It is quite dangerous for doctors to operate on the hurt brain.
()2.What will help doctors work on the brain?
A.Taking the blood out of the hurt brain.
B.Lowering the temperature of the brain.
C.Helping the brain live outside the body.
D.Supplying enough blood for the brain.
()3.When a persons heart stops beating, .
A.it doesnt necessarily mean that he cannot come to life again
B.it definitely means that he can never come back to life again
C.it undoubtedly means that his brain has died at the same time
D.it undoubtedly means that his body has died at the same time
()4.People most probably die when .
A.they stop breathingB.they stop bleeding
C.their hearts stopD.their brain die
()5.Which is the best title for this passage?
A.A Study of the Blood of the Monkey.
B.A Study of the Brain of the Monkey.
C.A New Way to Work on the Brain.
D.A New Machine to Help the Brain.
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