—When _________ personal computers _____________?
—In 1976.
A. is, invented B. did, invent
C. were, invented D. was, inventing
九年级英语单项填空简单题
—When _________ personal computers _____________?
—In 1976.
A. is, invented B. did, invent
C. were, invented D. was, inventing
九年级英语单项填空简单题查看答案及解析
句型转换
1.The personal computer was invented in 1976 (就划线部分提问)
the personal computer ?
2.A Chinese named Cai Lun invented paper.(改为被动语态)
Paper a Chinese named Cai Lun.
3.You shouldn’t take away the dictionary.(改为被动语态)
The dictionary away.
4.The man could be running for exercise.(就划线部分提问)
the man running for?
5.I like movies that are interesting.(对划线部分提问)
movies do you like?
九年级英语句型转换中等难度题查看答案及解析
1.The personal computer was invented in 1976 (就划线部分提问)
the personal computer ?
2.A Chinese named Cai Lun invented paper.(改为被动语态)
Paper a Chinese named Cai Lun.
3.You shouldn’t take away the dictionary.(改为被动语态)
The dictionary away.
4.The man could be running for exercise.(就划线部分提问)
the man running for?
5.I like movies that are interesting.(对划线部分提问)
movies do you like?
九年级英语句型转换困难题查看答案及解析
Personal computers in 1976．It has changed the whole world．
A. are invented B. invented C. were invented D. have been invented
九年级英语单选题中等难度题查看答案及解析
Personal computers ______ in 1976. It has changed the whole world.
A．have invented B．were invented
C．is invented D．invented
九年级英语单项填空中等难度题查看答案及解析
Personal computers ________ in 1976. It has changed the whole world.
A. have invented B. are invented C. were invented D. invented
九年级英语单选题中等难度题查看答案及解析
—When ________ personal computers ________？
— In 1971.
A. was; discovered B. were; invented
C. were; discovered D. was; invented
九年级英语单项填空中等难度题查看答案及解析
E–book is short for electronic(电子) book. It is usually read on personal computers. Some mobile phones can also be used to read e–books.
Earlier e–books were written for a certain group of readers and were about only a few subjects. With the development of the Internet, knowledge and answers to a lot of questions mainly come from e–books. This is why the e–book business is increasing quickly.
E–books have many advantages. First, they save time. We don’t need to go a bookstore to buy books. Besides, we can find the topic we want to know about on the Internet, and then we can quickly get many e–books on similar topics. Second, e–books save money. Some e–books cost us little money, and there are millions of e–books on the Internet that we can get for free. Third, more trees are saved because e–books don’t need to be printed on paper. Fourth, e–books make reading more convenient. You can carry a whole library of hundreds of books with you in a small computer or any e–book reader(阅读器), without worrying about their weight.
But e–books have certain disadvantages. They need a personal computer or an e–book reader, and the information can be lost if its file format(文件格式) is not supported(支持) or changed in the reader’s computer.
However, e–books provide us with a new way of reading. That is good.
1.Why is the e–book business increasing quickly? Because______________.
A．earlier e–books are about only a few subjects.
B．people don’t like to read any paper books any more.
C．the development of the Internet makes e–books more useful.
D．most e–books have been written for a certain group of readers.
2.How many advantages do e–books have according to this article?
A．Three. B．Four. C．Five D．Six
3.Which of the following is TRUE according to this article?
A．All the e–books on the Internet cost lots of money.
B．E–books can’t be read on mobile phones.
C．You can’t read e–books without a personal computer.
D．E–books can make reading more convenient.
4.What is the disadvantage of the e–books?
A．You’ll lose the information if its file format is not supported.
B．You can read e–books any time.
C．You can buy cheap e–books anywhere.
D．You can carry hundreds of books in an e–book reader.
5.The writer mainly tells us _________.
A．the information can be lost if its file format is changed.
B．you don’t need to buy paper books in a bookstore if you read e–books.
C．the development of e–books can help save the environment.
D．e–books affor（提供） us a new good way of reading.
九年级英语阅读理解中等难度题查看答案及解析
life，use，they，become，send，person，control，that，safe，with
Since computers were invented in the USA in the 1950s，they have76.1.very important in many areas of work and leisure.There is no doubt that computers are very 77.2.in the technology and business.In space，computers have been used to control the speed and direction of a spaceship.78.3.the help of computers，doctors can find diseases easily and solve other problems.For example，tiny computers which are inside patients' bodies can keep 79.4.hearts beating normally.In factories，robots are 80.5.by computers that are like human brains.They can do work 81.6.is dangerous to humans.In business，computers are used to place and cancel orders.They are also making the workplace 82.7.and better.
Since the Internet came into being，people's 83.8.at home have been changed，too.More and more people have 84.9.computers that are used to play games and watch movies.Thanks to the Internet，people can do shopping and do business at home.Instead of writing letters on paper,people communicate by 85.10.emails and chatting online.The whole world is connected.The Internet is making the world smaller，like a village.
九年级英语选词填空极难题查看答案及解析
Personal computers and Internet give people new choices about how to spend their time.
Some may use this freedom to share less time with certain friends or family members, but the new technology will also let them communicate more with those they care most about. I know this from personal experience.
Email makes it easy to work at home. I spend most weekends and evenings at home. My working hours aren’t much shorter than they once were but I spend fewer of them at the office. This lets me share more time with my young daughter than I might have if she’d been born before email became such a practical tool.
The Internet also makes it easy to share ideas with a group of friends. Say you do something fun — see a great movie perhaps and there are four or five friends who might want to hear about it. If you use a telephone to call each one, you may tire of telling the story. With email, you just write one note about your experience, at your convenience, and send it to all the friends you think might be interested. They can read your message when they have time, and read only as they want to. They can reply at their convenience, and you can read what they have to say at your convenience.
Email is also an inexpensive way to communicate with people who live far away. More than a few parents use email to communicate with their children at college every day.
We just have to keep in mind that computers and Internet offer another way of communicating. They don’t take the place of any of the ways.
1.The use of email has made it possible for the writer to________.
A.spend more time at the office B.spend much less time working
C.have more free time with his child D.work at home all weekends and evenings
2.According to the writer, what is the advantage of email over the telephone?
A.The user can send much more information than the telephone.
B.The user can keep the communication as personal as possible.
C.The user can communicate with the friends faster than the telephone.
D.The user can send messages to a group of people almost at the same time.
3.What does the underlined word “convenience” mean in Chinese?
A.方便 B.信心 C.自由 D.忙碌
4.What’s the main idea of this passage?
A.Email is not an expensive way to communicate with people far away.
B.Computers and the Internet make communication more convenient.
C.Email makes it easier for people to live at home and work at the office.
D.Computers and the Internet are useful tools to keep good friendship.
九年级英语阅读单选困难题查看答案及解析