题目内容
动词应用
阅读下面短文,用文中括号内所给动词的适当形式填空,必要时可加助动词。请将答案填写在短文后相应题号后的短线上。
Since 1946,one of the most important inventions had been the computer. It has been changing all our lives.
The first computer 1 (build) in 1946. It 2 (be) as large as a room and very difficult and slow 3 (use) - But since the invention of silicon "chip"(硅片), computers 4 (become) smaller, easier and faster to operate. Some computers 5 (be) as small as TV sets. Some can even 6 (make) smaller than a book. And computers 7 (get) smaller and smaller all the time. Who knows what the computers of tomorrow 8 (be) like?
There 9 (be) several reasons(原因) why the computer is useful to us. First, a lot of information(信息) can 10 (put) into computers. Second, the computer 11 ( work) very quickly—thousands of times faster than a man—and it will not be tired. Third, modern computers can be built into other kinds of machines, like radios, cars and planes. So today people can spend less time 12 (do) more work with a computer.
l. was built 2. was 3. to use 4. have become 5. are 6. be made
7. are getting 8. will be 9.are 10. be put 11. works 12.(in)doing