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In order to cut down on the carbon emission, more people choose to travel＿．A．by electric car, bicycle or planeB．by private car, bicycle or busC．by bus, electric car or planeD．by bicycle, bus or electric car
题目
In order to cut down on the carbon emission, more people choose to travel＿．
A．by electric car, bicycle or plane
B．by private car, bicycle or bus
C．by bus, electric car or plane
D．by bicycle, bus or electric car
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参考答案和解析
正确答案：D