【单选题】听力原文: More people are riding bicycles these days. In 1983 shops in Britain sold two million new bikes---that's 150, 000 more than in the previous year. In London, which has a population of 6.7 mil- li...
【简答题】When foreigners come to China for the first time, (当外国人第一次来到中国的时候,) they are always surprised by the number of bicycles on the roads. China has more cyclists than any other country in the world. Becau...