:I.完形填空
It is said that Alexander Bell is
the inventor of the telephone. But how a telephone __1__is a question which not
__2__can give an answer __3__. When you speak into the telephone, the
__4__waves are turned into __5__signals which go through a pair of wires to the
__6__telephone. There the electrical signal is __7__back into sound. The
__8__telephones were not __9__at first and it was a long __10__before people
were __11__to hire or buy them. There have been great __12__of the telephone
equipment __13__the last quarter of __14__century. The present mobile phone is
__15__. It has no wires and can be made pocket-size and can be __16__. You may
take it __17__you go, making your life and work much easier. The telephone
__18__people all around the world.
1. A. makes B.
works C.
serves D.
calls
2. A. everybody B. one C.
nobody D.
some
3. A. for B.
with C.
of D.
to
4. A. noise B.
voice C.
sound D.
phone
5. A. electric B.
electricity C.
electrical D.
electronic
6. A. answering B.
receiving C.
calling D.
dialing
7. A. turned B.
moved C.
got D.
made
8. A. early B.
earliest C.
later D.
present
9. A. popular B.
received C.
possible D.
accepted
10. A. job B.
way C.
time D.
distance
11. A. able B.
about C.
paid D.
going
12. A. number B.
help C.
development D. increase
13. A. for B.
in C.
on D.
at
14. A. the 20th B. 20th C.
the 20 D.
20
15. A. a show B.
an example C.
a set D.
a model
16. A. moved about B. connected about C. carried about D.
dialed
17. A. where B.
to the place C.
wherever D.
everywhere
18. A. joins B.
connects C.
units D.
calls
