3.　　　 The phrase “up-to-the-minute” in the third paragraph means ___________.

A, shortest　　 B, latest　　　 C. longest　　　 D. easiest

2.　　　 If you use e-mail to communicate with your friends, you can __________.

A, talk with your friends freely　　　　 B. exchange information without paper

C. talk with your friends face to face　　 D. exchange information without computers

1.　　　 From the first paragraph we can get to know that _____________.

A. artificial intelligence system　 s are beyond scientists’ control

B. artificial intelligence systems will take the place of doctors

C. artificial intelligence systems will take the place of scientists

D. artificial intelligence systems will under scientists’ control

5.　　　 Which of the following is the main idea of the passage?

A.　　 Evolution has equipped all creatures with a regular pattern of sleeping and waking

B.　　　 The study of the sleep is an important part of the evolutionary theory

C.　　　 Sleeping pattern must be taken into consideration in the designing of the robot

D.　　 The sleeping pattern of a living creature is determined by the food it eats

4.　　　 Cats sleep much more than horses do partly because cats _____________.

A.　　 need more time for restoration

B.　　　 are unlikely to be attackers

C.　　　 are more active than horses when they are awake

D.　　 spend less time eating to get enough energy

3.　　　 According to the author, we cannot sleep well when we_______.

A.　　 are worrying about our safety

B.　　　 are overworked

C.　　　 are in a tent

D.　　 are away from home

2.　　　 Evolution has programmed man to sleep at night chiefly to help him ______.

A.　　 keep up a regular pattern of life

B.　　　 prevent trouble that comes looking for him

C.　　　 avoid danger and inefficient labour

D.　　 restore his bodily functions

1.　　　 The author uses the example of the robot in space exploration to tell us ______.

A.　　 the differences between robots and men

B.　　　 the reason why men need to sleep

C.　　　 about　 the meed for robots to save power

D.　　 about the danger of men working at night

4. The transition to the mother’s role requires that the wife ______________.

A.　　 Change her life style in a quite different way

B.　　　 Make a complete change in her everyday life to deal with the new situation

C.　　　 Stay at home to take care of the baby

D.　　 Help her husband in his resocialization process

5,　 Some writers argue that with respect to the change of roles, fathers, compared with mothers, __________________.

A.　　 have to do more in the household

B.　　　 have to make more difficult adaptations

C.　　　 have an easy job to do

D.　　 can usually do a better job

3． In the second paragraph, the author _______________.

A.　 gives expression to his discontent with fathers for not taking enough responsibilities in bringing up their children

B. excuses the American writers for taking no notice of the difficulties of being a father

C. supports the idea that the chief role of a father is to earn money for the family

D.expresses dissatisfaction with the lack of social problems to help husbands to be good father