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The first computer _1 _ (build) in 1946.It 2 (be) as large as a room and quite 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 are as small as TV sets. Some can even 5 (make)
smaller than a book. And computers 6 ( get) smaller and smaller all the time. Who knows what the
computers of tomorrow 7 (be) like?
There 8 (be) several reasons why the computer is useful to us. First, a lot of information can be put into computers. Second, the computer _ 9 (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 10 ( do) more work with a computer.
1.______ 2. _______3. _______4. _______ 5. ______
6. ______7. _______8. _______9. _______10. ______
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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 are as small as TV sets. Some can even be made smaller than a
book. And computers 5._______ (get) smaller and smaller all the time. Who knows the computers of tomorrow
6.________ (be) like?
There 7._______ (be) several resons (原因) why the computer is useful to us. First, a lot of information can
8._______ (put) into computers. Second, the computer 9._______ (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
radio, cars and planes. So today people can spend less time 10._______ (do) more work with a computer.
从下面方框中选择适当的选项填入文中，使短文通顺、完整。选项中有两项是多余选项。
| A. in B. has C. large D. do E. even F. like G. faster H. thousands of I. tired J. reasons K. three L. doing |
Since 1946, one of the most important inventions has been the computer. It 1 changed our lives greatly.
The first computer was built 2 1946. It was as 3 as a room and very difficult and slow to use. But since the invention of silicon "chip"(硅片), computers have become smaller, easier and 4 to operate. Some computers are as small as TV sets. Some can 5 be made smaller than a book. And computers are getting smaller and smaller all the time. Who knows what the computers of tomorrow will be 6 ?
There are several 7 why the computer is useful to us. First, a lot of information can be put into computers. Second, the computer works very quickly— 8 times faster than a man—and it will not be 9 . Third, modern computers can be built into other kinds of machines, like radios, cars and planes. So today people can spend less time 10 more work with a computer.
查看习题详情和答案>>numbers and the radio, have certainly changed history. Since 1946. one of the most important inventions
has been the computer. It will change all our lives.
The first computer was built at Harvard University in 1944. It was as large as a room and quite difficult
and slow to operate. But since the invention of the silicon chip (硅片), computers have become smaller,
easier to use, and faster to operate. Some computers are as small as television sets. Some computers can
be made smaller than a book. And computers are getting smaller and all the time.
There are several reasons why computer is useful. First it can store very. Very large amount of
information. Second, the computer can operate very quickly. Third, modern computer can be built into
other kind of machines, like radio, cars and planes. They can do a lot of work for us.
Soon, almost everyone. either at home or at work, will use some kind of computers. The lives of all
of us will be changed by this invention.
B. Radios.
C. Computers.
B. in the middle of the 20th century
C. at the beginning of time
B. smaller than a book
C. smaller than silicon chips
B. the radio
C. the color TV set
B. it can store lots of information
C．both A and B