问题 阅读理解

阅读理解

      Dick and Ellen come from America. Now they are in Tianjin. Every morning they get up very early.

Then they go to work by car. They start their work at 8:30. They are very busy. They have lunch at 12:30. After lunch they work again. They finish their work at 5:30 p.m. In the evening they take Chinese lessons. They want to learn Chinese. They want to talk with Chinese people. They often say "Chinese people are

very friendly". They like to stay in China and they like to work with Chinese people.

1. Where are Dick and Ellen?

A. In America.

B. In Beijing.

C. In Tianjin.

2. Do they get up very late every morning?

A. Yes, they do.

B. No, they don’t.

C. No, they doesn’t.

3. When do they begin to work?

A. 8:00.

B. 8:30.

C. 9:00.

4. What do they do in the evening?

A. Stay at home.

B. Watch TV.

C. Take Chinese lessons.

5. Why do they want to learn Chinese?

A. Because they like Chinese.

B. Because they like China.

C. Because they want to talk with Chinese people.

答案

1-5CBBCC

单项选择题
完形填空
Five cloned pigs,whose organs are much less likely to be rejected(排斥) by a patient,have been born in the U.S.
More than 62,000 people in the U.S. alone are waiting to ____ donated hearts,lungs and so on.The number of human donors falls far short of ____.Pig organs are of a(n) ____ size to human organs,and some scientists hope they might be used to help meet the ____.But previous attempts to transplant pig tissue into humans have ____.
The five pigs ____ a gene that adds a sugar to the surface of pig cells.The sugar would ____ immune(免疫的) rejection of the tissue.“This advance provides a near­time ____ for overcoming the problem that there is not enough human organs for transplants,”says an expert.“This is the ____ gene for overcoming the ____ stage of rejection.”
____,scientists warn that much more work is necessary ____ organs from copies of the pigs could be transplanted into humans.Human genes will need to be added,to ____ rejection of the organ in the long term.There are also ____ that pig viruses could infect patients.
Cloning techniques were ____ to the production of the pigs.Genes can only be knocked out(去除) in a single cell.Cloning of these single cells then allowed the ____ of a whole animal in which the gene was knocked out in every cell.But the PPL researchers have ____ in knocking out only one copy of the gene.The team will now attempt to knock out both copies of the gene.
The team will also ____ tests to investigate whether a virus from the pigs could infect human cells.“Although a lot of the work is very ____,we’re still very far off being able to grow an organ,” says Julia,who is working on this project and quite ____ to creating similar knock­out pigs with researchers at the University of Missouri.
小题1:
A.exchangeB.check
C.possessD.receive
小题2:
A.discussionB.demand
C.doubtD.distance
小题3:
A.beneficialB.identical
C.similarD.certain
小题4:
A.shortageB.condition
C.satisfactionD.argument
小题5:
A.continuedB.failed
C.finishedD.paused
小题6:
A.lackB.include
C.makeD.change
小题7:
A.leaveB.cause
C.blockD.destroy
小题8:
A.supplyB.ambition
C.contributionD.solution
小题9:
A.only B.rare
C.keyD.safe
小题10:
A.lastB.whole
C.nextD.early
小题11:
A.HoweverB.Therefore
C.BesidesD.Finally
小题12:
A.becauseB.before
C.ifD.after
小题13:
A.prevent B.ignore
C.judgeD.weaken
小题14:
A.regretsB.emotions
C.concernsD.interests
小题15:
A.simpleB.vital
C.unusualD.basic
小题16:
A.collectionB.application
C.receptionD.creation
小题17:
A.delightedB.succeeded
C.joinedD.believed
小题18:
A.conductB.plan
C.designD.study
小题19:
A.perfectB.strange
C.excitingD.disappointing
小题20:
A.opposedB.used
C.devotedD.suited