【单选题】第二节 完型填空 阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Some people think they have an answer 【B1】 the problem of automobile crowding and pollution in large cities. Their 【B2】 is the bicycle, or bike....
【单选题】第二节 完型填空 阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Some people think they have an answer 【B1】 the problem of automobile crowding and pollution in large cities. Their 【B2】 is the bicycle, or bike....