According to the passage, people know that mortorbikes and cars emit dangerous gases

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so they do not travel by motorbikes and cars

but they still prefer traveling by mbtorbikes, and cars

and they enjoy traveling on foot

Giải thích

Đáp án: A

Giải thích: dựa vào câu: Everybody knows that motorbikes and cars emit dangerous gases that cause poisonous air and cancer, but no one wants to travel on foot or by bicycle.

Dịch:Ai cũng biết xe máy, ô tô thải ra khí độc nguy hiểm gây ung thư, nhưng không ai muốn đi bộ, đi xe đạp.