完形填空。
Oil is so important that it is sometimes called "black gold". Almost half our
1 comes from oil. We use
it to run our cars and factories and to
2 our homes, offices and schools. Many everyday things are made
from oil. Your shirt may have oil in the material. The soap you
3 your hands with might also be made from
oil. Children's plastic toys are made from oil.
Oil is
4 to find, because it is trapped (陷入) deep under the earth. Today, however, we have many
5
to find oil. One tool measures (测量) the pull of gravity (吸力). Places where gravity is weaker are more
likely (很可能) to have oil.
6 tool measures sound waves (波). Sound waves
7 through different kinds
of rocks at different
8 . We can use them to find the reeks that have oil in them.
We need
9 oil. and we are using up the oil wells (井) we know about.
10 we must find new ways of
looking for this "black gold". Can you do anything for it?
( )1. A. courage
( )2. A. design
( )3. A. wash
( )4. A. easy
( )5. A. ways
( )6. A. One
( )7. A. keep
( )8. A. speeds
( )9. A. little
( )10. A. Or |
B. energy
B. protect
B. injure
B. important
B. things
B. Other
B. include
B. places
B. a lot of
B. But |
C. things
C. heat
C. save
C. interesting
C. news
C. Another
C. control
C. directions
C. a little
C. So |
D. business
D. make
D. touch
D. hard
D. varieties
D. The other
D. travel
D. situations
D. a few
D. So that |