钢筋混凝土隐蔽工程检查验收的质量控制要点有( )。
A.技术交底资料的检查 B.水泥质量检查C.砂、砾石质量检查 D.预留洞口、预埋件的检查
参考答案:D
单项选择。
When does your father arrive ___ our school. [ ]
A. to
B. in
C. at
D. from
— ______ is her daughter?
— The girl on the right wearing blue jeans. [ ]
A. Who
B. What
C. Which
D. Where