题型:单项选择题 制配lm3水泥砂浆需用水泥0.33m3,水泥容重为1200kg/m3,搅拌损耗为3%,则每立方米砂浆的水泥用量为( )kg。A.369B.407.9C.384.5D.423.7 查看答案
题型:选择题 Bill, often regarded as one of the best students in his class, ____ to be the student who cheated in the exam.A.came out B.let outC.sent out D.turned out 查看答案