更多"In 1969, an oil leak polluted the w"的相关试题:
[单项选择]In 1969, an oil leak polluted the water and ______ the beaches of the southern California coast.
A. spoiled
B. ruined
C. decayed
D. hurt
[单项选择]Liquids such as water and oil take up space and they are measured in units of liquid （）.
A. vessel
B. barrel
C. tank
D. volume
[单项选择]The water will be further polluted unless some measures ______.
A. will be taken
B. are taken
C. were taken
D. had been taken
[单项选择]The gas-oil contact or gas-water contact_____ the lower limit of producible gas.
A. is
B. are
C. were
D. has been
[单项选择]______ sugar ______ salt is oil water.
A. Not as... as
B. No more than... as
C. Not more than... is
D. Not more than... as
[单项选择]The human beings have polluted the environment seriously. It is time the United Nations {{U}}must take{{/U}} some measures.
A. take
B. taking
C. to take
D. took
[单项选择]（ ）of the river has been polluted.
A. Second-three
B. Two-three
C. Two-third
D. Two-thirds
[单项选择]Man cannot prevent the world from being polluted because_________.
A. people use too many man-made materials
B. the pupulation of the world is increasing faster
C. we are producing more cars, trucks and buses
D. we have more and more industry.
