一天中太阳做了多少好事！

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地球的公转产生了（　　）

    There are all kinds of machines. They 1 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 2 a computer.
    Computers remember things. Computers do 3 people tell them. People cannot remember as many things as computers. Computers help tell 4 the weather will 5.Computers help fly rockets and spaceships.
    These are 6 of ways computers are used. They are used in7 ways. Some computers do just 8 things. Some computers can do a lot of things. There are 9 computers. There are big computers. There may be computers in your school. Do you 10 what they do?