每一生产厂家的普通混凝土小型空心砌块到施工现场后,必须对其强度等级进行复检,每()块 发布时间:2018-02-28 12:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 每一生产厂家的普通混凝土小型空心砌块到施工现场后,必须对其强度等级进行复检,每()块小砌块至少应抽检1组。A、1万B、2万C、5万D、10万
题型:单项选择题 With the help of the high technology, this year the factory has produced ________ it did last year.A.twice as many asB.twice as many cars asC.twice as many as carsD.twice cars as many as 查看答案