問題詳情
【題組】40According to paragraph 2, a lighter or massless fuels have to be created because ______.
(A) the weight and space requirement of current fuel technology are too cumbersome
(B) they have to keep the spaceships smaller
(C) spaceships cost too much to add the mass and the space of heavy fuels
(D) the current fuel technology is one of the effective ways to make a long interstellar journey possible
參考答案
答案：A
難度：困難0.372881
統計：A(22),B(13),C(12),D(10),E(0)
用户評論
【雖無印卻良品】評論
cumbersome 累贅以現在的燃料科技而言,佔了太多的重量和空間(重量和空間太累贅)