Most American families are smaller than the families in other countries.Most American families have one or two parents and one or two children each.

Children in the US will leave their parents’ home when they grow up.They usually live far from their parents because they want to find good jobs.They often write to their parents or telephone them.And they often go to visit their parents on holiday.

Parents usually let their children choose their own jobs.Americans think it is important for young people to decide on their lives by themselves.

Parents ask children to do some work around their house.And in many families, parents pay their children for doing some housework so that hey learn how to make money for their own use.

1.The size of most American families is ____ that of other countries’.

A. larger than

B. smaller than

C. as big as

D. as small as

2.When children grow up, they leave their parents’ home to __.

A. get married

B. be free

C. find good jobs

D. study

3.They visit their parents ______ .

A. on weekdays

B. on weekends

C. at any time

D. on holiday

4.Which of the following is NOT true ?

A. Children have the freedom to choose their own job.

B. Parents don’t ask their children to do the housework.

C. When children grow up, they usually live far away from their home.

D. Parents think it is important for children to make their own decision.

5.Some parents pay their children for doing housework because _____ .

A. they want their children to learn how to make money for themselves

B. their children asked them to do so

C. they are rich

D. the law requires(要求)them to do so

When US student Olivia Priedeman, 17, woke up one morning, she thought she had had a dream about making plans with a friend.

But it wasn't a dream. Her phone showed that during the night, Priedeman had read a text message from her friend. She did it while she was fast asleep.

Reading and sending text messages while asleep called─ "sleep texting"─ is an unusual sleep behaviour, similar to sleep walking. It's also a growing problem among doctors: young people can’ t live without their cell phones.

One in three teenagers sends more than 100 text messages a day, according to the Pew Internet & American Life Project. And at least four out of five teenagers said they sleep with their phone on or near their bed.

Elizabeth Dowdell, a professor at Villanova University in Pennsylvania, has studied sleep texting. She said that having a phone nearby all night is a big part of the problem.

Andrew Stiehm, a sleep medicine researcher with Allina Health in Minnesota, agrees. It's possible for the part of the brain that controls skills to wake up, while the part of the brain that controls memory and judgment(判断) may be still asleep. That's why some people can perform basic movements-such as walking, talking, texting or even driving while they're sleeping. Some of Dowdell's students said that they're disturbed by their nighttime texting behaviour. But because sleep texting is unconscious, it's a difficult habit to break. Dowdell said she knows of some students who wear socks on their hands to keep themselves from texting.

Marjorie Hogan, a doctor at Hennepin County Medical Centre in Minneapolis, Minnesota, suggests keeping all electronic products outside the bedroom.

1.What happened to Olivia Priedeman?

A. She sleepwalked to a friend's house.

B. She dreamed of making plans with a friend.

C. She phoned one of her friends during the night.

D. She read a text message from her friend while asleep.

2.What does the underlined word "unconscious" mean?

A. 无意义的 B. 无意识的 C. 无反应的 D. 无规律的

3.What can we learn from the passage?

A. It's easy to give up a sleep texting habit.

B. One in three teenagers has a sleep texting habit.

C. Sleep texting can reduce the quality of one's sleep.

D. Sleep texting does more harm to one's health than sleep walking.

B. Choose the words or expressions and complete the passage(选择最恰当的单词或词语完成短文)(12分)

A young college student thought that he chose the wrong major(专业) at a common college, so he drank every day and didn't study at all. He became more and more ______.

But he was never absent from Professor Yang's biology class. He liked the course. Besides, Yang's class was so interesting that he always listened carefully, never ______ whether the other students were paying attention or not in class.

Once he put a ______ in the homework he handed in, saying: "Professor, it is said that today's college students are cheaper than potatoes. Do you agree?"

That day Professor Yang invited the young student to his home after class. When he came, he found the professor at a table with food on it. They drank ______ over their meal.

When they became half drunk, the professor took out a small potato that was sprouting(发芽的). "Do you know how much this costs?" he asked the young man. "It's soft but poisonous (有毒的) . Nobody will take it even if it's ______ . He then threw the potato away.

The professor then showed him another potato. It was half the size of a football and quite round. "This potato is organic(有机的). It is not only large and fresh but also free of ______. It is in high demand and quite expensive."

The young man was impressed by what he'd heard. "Be such a potato," said the professor.

1.A. surprised B. confident C. upset D. attractive

2.A. caring about B. playing with C. getting ready for D. depending on

3.A. coin B. note C. ticket D. menu

4.A. luckily B. sadly C. worriedly D. happily

5.A. free B. beautiful C. expensive D. safe

6.A. money B. exhibition C. pollution D. health

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