3.17课后巩固

课后巩固 3.17

I.阅读

Teenagers who spend more than six hours online on school days are more likely to可能做某事be lonely and skip school逃学, according to an international study.

The study examined the home Internet use, well-being(幸福）and behaviour of 296,000 15-year-olds in 41 countries. More than one in four 四分之一spent more than four hours per day online outside of school. The study found lower levels of well-being among students who spent more than six hours per day online. They were twice as likely as两倍的可能性teenagers spending one and two hours per day online to report that they felt lonely at school. These “extreme极端的Int ernet users” were also especially at risk of “behaving in problematic有问题的ways at school, such as arriving late or skipping class”.

The report said, “Lower levels of engagement(密切关系）with school may be connected to和…有联系less sense of belonging归属感at school. It is also possible that skipping class and arriving late for school are the consequence of lack of缺乏sleep among extreme Internet users.” It adds, “Parents, schools and health professionals can work together to watch and plan children’s use of new media.”

The study also found that countries that invest (投资) heavily in Information and Communication Technology (ICT) in schools have seen no “considerable” d ifference in 15-year-olds achievement in reading, math or science tests. The study results suggest “limited” use of computers at school “may be better” than not using them at all. However, students who use computers “very frequently” at school “do a lot wo rse in most learning outcomes”. The report says, “In the end, technology can strengthen great teaching, but great technology cannot replace poor teaching.”

21. The international study showed that.

A. half of the students spent six hours online every day

B. extreme Internet users had lower levels of well-being

C. teenagers spent much time online when they felt lonely

D. most of the students were late for school after extreme Internet use

22. What can we learn from the study results?

A. Schools should invest more in ICT.

B. Proper use of computers is helpful at school.

C. Technology sometimes leads to poor teaching.

D. Computer users perform well in maths at school.

23. Where does this text most probably come from?

A. An engineer textbook.

B. A personal diary.

C.A science news report.

D. A computer book.

II.七选五

Before there was the written word, there was the language of dance. Dance expresses love and hate, joy and sorrow, life and death, and everything else in between.

Florida to Alaska, from north to south and sea to sea. We dance at weddings, birthdays, office parties and just to fill the

es dance classes for all ages适合各个年龄段. “Teaching dance is wonderful. 37D It’s great to watch(37) them. For many of them,it’s a way of meeting people and having a social life.”

one young couple,” says Bridges. “They’re learning to do traditional dances. They arrive at the class in low

（39）with a smile.39F”

beating heart, is life. Even after all these years, I want to get better and better. 40E（40）I find it hard to stop!Dancing r eminds me I’m alive.”

A. So why do we dance?

B. Dance in the U.S. is everywhere.

C. If you like dancing outdoors, come to America.

D. My older students say it makes them feel young.

E. I keep practicing even when I’m extremely tired.

F. Dancing seems to change their feeling completely.

G. They stayed up all night long singing and dancing.

III. 完成句子

1. The book is of importance. =The book is important.

2. E-mail,

together with its baby tigers has been taken（take）care of in the zoo.

3. Many trees were blown down, blocking(block) the road.