于矿石密度大,所需容积小,货舱容积仅占全船容积的()左右,其他容积作为压载舱使用。 发布时间:2019-02-11 11:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 于矿石密度大,所需容积小,货舱容积仅占全船容积的()左右,其他容积作为压载舱使用。A.40%B.50%C.60%D.70%
题型:单项选择题 We are not allowed _____ outdoors with some other children. [ ]A. playing B. to be playing C. to play D. be playing 查看答案