A-A+
The engineer's suggestion is that he build a c
问题详情
The engineer"s suggestion is that he build a craft ______.
A．with support of a pad under it
B．with support of a curtain round it
C．with support of a pad of air
D．with support of a cushion of air made by jet engines请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：本题属细节题。文章中第三句中的“supporting a craft on a 'pad', or cushion, of low-pressure air”已提示答案。
