The farmers also want to use the water to irrigate the (barren) land.
A.empty
B.hairless
C.bare
D.smooth
The farmers also want to use the water to irrigate the (barren) land.
A.empty
B.hairless
C.bare
D.smooth
We must use () to change sea water into fresh water.
A.fresh water pump
B.sea water pump
C.fresh water generator
In the U.S., the amount of indoor water use surpasses the amount of outdoor water use.
A.Y
B.N
C.NG
A.probably
B.possibly
C.likely
D.certainly
One solution to fresh water shortage is to to use drip irrigation.
A.Y
B.N
C.NG
We can make use of seawater by ______ fresh water from it.
A.purifying
B.refraining
C.distilling
D.performers
A.meter
B.kilometer
C.cubic meter
D.square meter
The deep-sea listening system makes use of ______.
A.the sophisticated technology of focusing sounds under water
B.the capability of sound to travel at high speed
C.the unique property of layers of ocean water in transmitting sound
D.low-frequency sounds travelling across different layers of water
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