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更多“给水系统（water supply system)的含义是？”相关的问题
A．Y
B．N
C．NG
How did the men get their water supply at the South Pole？
A．They dug out clean snow.
B．They depended on ships to bring them water supply.
C．They depended on planes to bring them water supply.
A.deduced
B.detached
C.derived
D.declined
In order to raise the efficiency of the water supply, measures should be taken to ______.
A．centralize the management of water resources
B．increase the sense of responsibility of agencies at all levels
C．guarantee full protection of the environment
D．encourage local and regional control of water resources
A．calling people's attention to the true value of water
B．blowing up dams that affect the supply of fresh water
C．adopting sound water conservation policies
D．finding the best way to distribute the world's water
According to the passage, what will add to water shortage？
A．Oil scarcity.
B．A drop in temperature
C．A growing population.
D．Reduced food supply
A(An) ______ water supply for city people is already a problem no government can take lightly.
A．crude
B．adequate
C．fresh
D．original
Which of the following statements, according to the passage, is NOT true？
A．A limited water supply will affect industrial production.
B．Every large city purifies and reuses its water.
C．Purified water is not exactly as fresh as spring water.
D．Oceans are the largest water source.
The best title for this text is______.
A．The Water Problem; the Dangers Ahead
B．The Water Supply Problem: Our Options
C．The Mountains; Our Only Hope for Water
D．Water Conservation; the Challenges Ahead
A．disposal
B．risk
C．cost
D．mercy
