The Aeroscraft is not a Blimp because it is much larger than the latter though______. The power that the Aeroscraft needs is pr

admin2009-04-23  27

问题 The Aeroscraft is not a Blimp because it is much larger than the latter though______.
The power that the Aeroscraft needs is provided by______.

选项

答案a renewable source such as hydrogen fuel cells

解析 本文的第五段中提到:“the aft-mounted propellers will be electric,powered by a renewable source such a as hydrogen fuel cells”。虽然句型作了改写,但是Aeroscraft的动力来源还是“可更新能源如氢燃料电池”。
转载请注明原文地址:https://kaotiyun.com/show/JhZK777K
0

最新回复(0)