We live in the “computer age(时代)”．People like scientists, teachers, writers(作家)and even students are using computers to do 1 work．But more than 30 years ago, 2 couldn't do much．They were very big and expensive (昂贵的)．Very few people were interested 3 them and knew how to use them．Today computers are smaller and 4 ． 5 they can do a lot of work．Many people like to use them．Some people even have them at home．
Computers become very important because they can work 6 than men and make fewer mistakes．Computers can 7 people do a lot of work．Using computers, we can translate Chinese 8 English．Writers now use computers to write．Teachers use them to teach and children use them to play games．Computers can also remember(记忆)what you put 9 them．Computers are very useful and helpful．They are our good friends．Do you want to 10 a computer?
Most students like 1 computers．It is very 2 ．By 3 computers, they can learn a lot and know many things about their country and the 4 ．Of course, they 5 learn over(通过)the radio．But they like to use computers better．Why? 6 they can hear and watch at the same time．But they can't see anything over the radio．
Computer helps to open students' eyes．And it can open their minds(智力), too．They know the world better．
Many students go online only 7 the weekend．They are always busy with their 8 ．But a few students 9 online every night．They go to bed very late．They can't have a good rest．That's bad 10 them．
Mr Baker is the owner of a big company(公司)．He works very hard day and night．His wife loves him very much．And she doesn’t want him 1 and was so tired．
“You are too 2 , dear，”she says, “Let’s go to China for a nice holiday．It can be 3 for your health．”
“But I have 4 work to do,”says her husband．“I can’t get away．”
But Mrs Baker doesn’t give up(放弃)．Every morning she 5 only about the holiday．So Mr Baker says，“OK, we go to China for a 6 ．”Mrs Baker is very happy．But she wants to enjoy their holiday quietly(安静地)．She goes to see her husband’s secretary(秘书)．
“My husband needs a good 7 ,” she says to the secretary．“So whatever(无论)happens，please don’t tell him，just wait till we 8 ．”
They have a very nice time in China．And they love China very much．But Mr Baker receives(收到)a letter from his secretary．The secretary says in the letter，“There is something 9 with the business(生意)，but I don’t want to tell you about it．I’ll wait till you come back．Wish you a very 10 holiday．”
I have two friends,Jane and John．They 1 sister and brother．They like music．Jane can play the piano．But she 2 play the violin．John can't play the piano．But he can play 3 violin．Today they 4 to carry a piano to 5 bedroom． 6 piano is heavy(重的)．They can't 7 it． 8 parents aren't at home．But they 9 a cousin brother Mike．He is here today．They ask Mike to 10 them．