A-A+
The September 11th attack and the economic rec
问题详情
The September 11th attack and the economic recession, to some extent, have damaged US air travel so that air travel is not Americans" favorite means of transportation any more.
A．Y
B．N
C．NG
参考答案
正确答案：B
解析：根据Nature of the Industry部分第一段“Nevertheless，air travel remains one of the most popular modes of transportation．”尽管九一一事件和经济萧条给美国航空旅行造成重创，但到目前位置，航空旅行仍然是人们外㈩时最受环境的交通方式。
