题目内容

【题目】What can we learn about the man’s new roommate?

A.He really likes potatoes.

B.He is fond of watching TV.

C.He seldom visits his parents.

【答案】B

【解析】

【原文】

W: How is your new roommate?

M: Well, all I could say is that he’s a real couch potato. Last weekend he invited me over to his parents’ house to watch TV. I bet watching TV is his only hobby.

W: He is so boring.

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【题目】What will people die of 100 years from now? If you think that is a simple question, you have not been paying attention to the revolution that is taking place in biotechnology(生物技术). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today's leading killers, such as heart disease, cancer, and aging itself, will become distant memories.

In discussion of technological changes, the Internet gets most of the attention these days. But the change in medicine can be the real technological event of our times. How long can humans live? Human brains were known to decide the final death. Cells(细胞)are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever. But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so onin much the same way our bodies make new skin cells to take the place of old ones.)

It is exciting to imagine that the advance in technology may be changing the most basic condition of human existence, but many technical problems still must be cleared up on the way to this wonderful future.

1According to the passage, human death is now mainly caused by________.

Adiseases and aging

Baccidents and war

Caccidents and aging

Dheart disease and war

2In the author's opinion, today's most important advance in technology lies in________.

Amedicine

Bthe Internet

Cbrain cells

Dhuman organ

3Humans may live longer in the future because________.

Aheart disease will be far away from us

Bhuman brains can decide the final death

Cthe basic materials of cells will last forever

Dhuman organs can be repaired by new medicine

4We can learn from the passage that________.

Ahuman life will not last more than 120 years in the future

Bhumans have to make medicine to build new skin cells now

Cmuch needs to be done before humans can have a longer life

Dwe have already solved the technical problems in building new cells

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