《混凝土防冻泵送剂》JGT377-2012标准规定取样的数量,每一批号取样量不应少于()t水泥所需的防冻泵送剂量。
参考答案:0.2
—What's wrong with your ipad2? The sound ____is not clear.
—Yes. It has been broken for some time. [ ]
A. come out
B. coming out
C. to come out
D. came out
高血压危象时,是指血压一般在多少毫米汞柱以上,伴重要器官不可逆损害()
A.240/120
B.250/120
C.250/140
D.220/100
E.250/130