A.Enwave ' s system is said to work only in cities located near the Great Lakes.
B.The water deep in Lake Ontario always remains at the same temperature.
C.Experts warn that the use of CFCs in Enwave' s system will add to global warming.
D.Toronto is now searching for new natural sources of water to use in its water supply.
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[单选题]Which of the following is TRUE?A． The writer's family is the poorest one on that street.B． Watching the rich girl eating cookies, those hungry children cried.C． The writer wants to move out of that district.D． The writer hopes that her children will
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[单选题]Which of the following is true?A．The water in Texas have been reduced by 75%.B．Most industries in the world suffer from water shortagers.C．The underground water in Saudi Arabia might run out in 50 years.D．Good management of water use resulted from th