問題詳情
【題組】57. Using live fish as a source of nutrition in space_____________.
(A) may save us from having to slaughter animals
(B) was developed by American researchers at NASA
(C) was considered by NASA to be inconvenient
(D) Is cheaper than using food squeezed from a tube
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)