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?
小题1:.
| A．use | B．are used | C．are using | D．will use |
小题2:.
| A．faster than | B．as fast as | C．more quickly than | D．so big as |
小题3:.
| A．something | B．that | C．everything | D．things |
小题4:.
| A．Which | B．where | C．what | D．why |
小题5:. A. be like B. be C. look D feel
小题6:.
| A．all | B．many | C．a lot | D．only some |
小题7:.
| A．thousand | B．thousands | C．thousand of | D．thousands of |
小题8:.
| A．a little | B．little | C．few | D．a few |
小题9:.
| A．large | B．huge | C．good | D．small |
小题10:.
