_____ he wasn’t ready in time, we went without him.
A.Since
B.As
C.For
D.Because of
答案:B
当要求混凝土强度等级≥30时,下列粗骨料压碎指标值(%)选用正确的是()。
A.沉积岩碎石≤10
B.深成岩碎石≤13
C.变质岩卵石≤10
D.喷出岩碎石≤13
E.沉积岩卵石≤12
每于经期,天亮前大便泄泻,腰膝酸软,头晕耳鸣,畏寒肢冷,其辨证为()
A.肾虚
B.脾虚
C.气虚
D.脾肾两虚
E.肝肾亏虚