单项选择题

How would fresh water be supplied to the city

A．By treating sea water.
B．By getting it from the surrounding islands.
C．By building a small lake of fresh water inside the city.
D．By transporting it from the mainlan

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热门试题

单项选择题

The suggestion made by the committee is to solve the problem that ______.

A．there is not enough space for building cities on land
B．land transportation has become increasingly difficult
C．there are too many people on land
D．present cities are heavily polluted by cars and other vehicles

单项选择题

The purpose of the writer is ______.

A．to suggest how a new type of harbour could be built at sea
B．to give an account of a new-type city
C．to draw people's attention to the problem of air pollution
D．to introduce a new way of constructing harbour-cities