There are all kinds of machines. They 21 in many different ways. One kind of machine is called a computer. A computer can do many things. A computer can do math problems. People can also do math problems. But they cannot do it 22 a computer.
Computers remember things. Computers do 23 people tell them. People cannot remember as many things as computers. Computers help tell 24 the weather will 25 .Computers help fly rockets and spaceships.
These are 26 of ways computers are used. They are used in 27 ways. Some computers do just 28 things. Some computers can do a lot of things. There are 29 computers. There are big computers. There may be computers in your school. Do you 30 what they do?
.
A.use | B.are used | C.are using | D.will use |
.
A.faster than | B.as fast as | C.more quickly than | D.so big as |
.
A.something | B.that | C.everything | D.things |
.
A.Which | B.where | C.what | D.why |
. A. be like B. be C. look D feel
.
A.all | B.many | C.a lot | D.only some |
.
A.thousand | B.thousands | C.thousand of | D.thousands of |
.
A.a little | B.little | C.few | D.a few |
.
A.large | B.huge | C.good | D.small |
.
A.get | B.talk | C.make | D.know |
the future can be difficult. There are many famous predictions never came true.Before 1929, there was no sound in movies. The head of one of the movie companies in the United States predicted that no one would want to see actors . Of couse,he was wrong! In 1979,the head of the largest computer company in the United States said,“No one will want to have a computer in his or her home.” He thought that computer would never by most people.
A.Predict B.Predicting C.Predicted
A.who B.what C.that
A.big B.bigger C.biggest
A.talk B.talked C.to talk
A.use B.be used C.are used
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