单项选择题

Many experts feel______.

A．carbon-dioxide emissions should be limited
B．measures should be taken to prevent carbon-dioxide emissions
C．carbon-intensive energy technologies should be developed
D．there is no need to hurry [o do something about carbon-dioxide emissions

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热门试题

单项选择题Why is it possible that economic growth and technological progress are environmentally friendly

A．Because they can keep people away from the natural world.
B．Because they may help preserve more natural land.
C．Because they can increase productivity.
D．Because they may not produce pollutants.

单项选择题What is the writer's attitude to the climate in the future

A．Disappointed.
B．Pessimistic.
C．Concerned.
D．Optimistic.