完形填空。
There are four kinds of satellites. The first kind of satellite studies the
1 of the earth. They are used to
2 maps. They also help countries to see where they may
3 oil or gold.
The second kind guides ships and planes. A ship or plane can send
4 to the satellite, and the satellite can
find out where it is.
The third kind studies
5 . These satellites
6 clouds and strong winds moving across the earth. They
warn countries when very
7weather is coming. They take photos of the earth from thousands of kilometers
above it and
8 the photos to a weather station on the ground.
The fourth kind is used for communication. Telephone calls
9 countries can be sent by these satellites.
Some can carry hundreds of calls at one time. The calls are sent to the satellite,then the satellite sends them
to a station in the country Which is being phoned. These satellites
10 carry television pictures. They can
receive and send about eight programs at a time. How amazing!
( )1.A. chemistry
( )2.A. make
( )3.A. buy
( )4.A. a letter
( )5.A. the air
( )6.A. see
( )7.A. bad
( )8.A. send
( )9.A. in
( )10.A. too |
B. geography
B. buy
B. need
B. telephone
B. the weather
B. watch
B. fine
B. carry
B. of
B. either |
C. physics
C. carry
C. find
C. money
C. the rain
C. search
C. nice
C. take
C. between
C. also |
D. biology
D. sell
D. use
D. a message
D. the cloud
D. look
D. warm
D. bring
D. among
D. neither |