I began to send e-mails when I was 17. I discovered Google 5 years later. Now, I use the internet all the time. The Internet has become so popular that 90 percent of 12-to-17-year-olds in the United States use the internet, and about half of these kids use it every day. They visit chat rooms and send e-mails. They go to websites to get information for their homework.
"Kids are now living in a virtual(虚拟的) world," says Greenfield, an expert at University of California, "As the Internet is becoming more and more important for our life, we should worry about one question: Is the Internet good or bad for kids? "
"It's ***to answer the question because the Internet involves(涉及) so many things," says Justine, who is from Northwestern University. "They include online computer games, news, messages and even e-mails to your grandmother." So more and more people believe that the online world can be helpful in some ways but dangerous in others.
“Although it's not easy to tell whether it's good or bad,”says Justine, "the Internet, at least, is very useful and can be used widely by everyone in the world.
1.The writer discovered Google at the age of .
A. 5 B. 12 C. 17 D. 22
2.Greenfield .
A. is an expert from Northwestern University
B. wants to stop all the kids from using the Internet
C. is worrying about whether the Internet is good or bad for kids
D. thinks that the Internet is good for all the kids in the world
3.in the passage should be the word “ “.
A. difficult B. possible
C. easy D. Good
Trees are one of the oldest plants on the earth. Just like us, trees change a lot they grow. At one to three years old, young trees learn to themselves. For example, many tree grow thorns (刺)to tell animals near. Most young trees have large and deep green leaves to enough sunlight and turn it into their food and energy. When trees are four years old, they are strong enough to the challenge(挑战)in life. At the age of fifteen, they become young adults and grow more . They will have their own flowers and fruit. After the trees are twenty to twenty-five years old, they are called real adults because they reach their . Adults trees give us oxygen and natural beauty. If we them very well, they will live healthily for many years. As time goes on, trees begin older and older and even . At this time, they still have their important places in nature and uses for people. many ways, the life of trees is like our own life experience.
1.A. before B. when C. after D. since
2.A. protect B. provide C. prevent D. pollute
3.A. to go B. to leave C. not to go D. not to leave
4.A. enjoy B. keep C. stay D. catch
5.A. get B. receive C. face D. welcome
6.A. fast B. faster C. slow D. slowly
7.A. weights B. heights C. styles D. sizes
8.A. look for B. look after C. look out D. look at
9.A. die B. hurt C. waste D. throw
10.A. On B. In C. For D. At
--Would you mind me here?
-- . Let me take my bag away.
A. to sit; Better not
B. sitting; I’m afraid not
C. sitting; Of course not
D. to sit; I hope so
--How do you like working in this office?
--It’s wonderful. But I just think the job is boring .
A. on the way B. in the way
C. in some ways D. by the way
He has the Yellow Mountain twice. This time he there for two weeks and enjoy the beautiful views.
A. been to; stay B. gone to; have been in
C. been in; will stay D. been to; will stay
Miss Read is in Tokyo at the moment.She will come back ________ next week.
A.sometimes B. some times
C. sometime D. some time
