閱讀下面短文，用括號內所給動詞的適當形式填空。 Since 1946, one of the most important inventio

題文

閱讀下面短文，用括號內所給動詞的適當形式填空。???? Since 1946, one of the most important inventions has 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 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.

題型：未知 難度：其他題型

答案

1. was built?? 2. was?? 3. to use?? 4. have become?? 5. are getting? ?
6. will be?? 7. are?? 8. be put?? 9. works?? 10. doing

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