問題詳情
46. What is the writer’s main point in the first paragraph?
(A) Air pollution is especially harmful to children.
(B) Vehicles are a major cause of air pollution in cities.
(C) Cars, trucks, and buses use most of the world’s energy.
(D) Greenhouse gases are the primary cause of climate change.
參考答案
答案：B
統計：A:2,B:63,C:4,D:16,E:0
難度：簡單