一般抹灰按使用要求、质量标准可分为______。
A.普通抹灰和高级抹灰
B.石灰砂浆、水泥砂浆和混合砂浆
C.墙面抹灰、顶棚抹灰和地面抹灰
D.大理石、天然石材和水刷石
参考答案:A
More highways have been built in China, ________ it much easier for people to travel from one place
to another. [ ]
A. making
B. made
C. to make
D. having made
给病人应用地高辛前首先应检查
A.心率
B.尿量
C.心电图
D.心功能
E.水肿程度