题目

The rain was coming down heavily and I was going to be late for an important conference. Dressing up quickly, I called for a taxi,    1    that it would be faster than the subway.It wasn't.After a long wait, I finally got one, but the traffic was heavy. I looked at my    2    from time to time. Just as the traffic started moving, the driver    3    a man up ahead in a wheelchair.“Wouldn't he be cold sitting right there!” the driver cried and began to    4   .I could see there would be another 20 minutes'    5    —    6    him into the cab, folding up hi我国最重要的交通运输方式之一是A. 公路 B. 铁路 C. 水运 D. 航空