周转材料指不构成工程实体,但在施工中反复周转使用的材料,如模板、架管等。建筑材料还可以按其自然属性分类,包括金属材料、硅酸盐材料、电器材料、化工材料等。
参考答案:对
Now Robert, a football fan in our class, ____ rome of his daily allowance given by his parents in order to buy a new football.
A.is giving away
B.is throwing away
C.is putting away
D.is taking away
疑有绒癌脑转移,可根据下列指标诊断除外()
A.脑CT
B.脑缺血的一过性症状:突然跌倒、头痛、抽搐、偏瘫
C.脑脊液:血清hCG>1:20
D.脑部MRI
E.B超