取源部件结构尺寸、材质和安装位置应符合设计文件要求,安装符合()的有关规定。
A、GB50093
B、SY/T0090
C、SY/T0091
D、GB50094
参考答案:A, B
导致产褥病率的主要原因是
A.手术切口感染
B.乳腺炎
C.上呼吸道感染
D.泌尿系统感染
E.产褥感染
按要求变化下列各句。
1. I want to give Mr. Hu this watch. (同义句转换)
I want to give ______ ______ ______ Mr. Hu.
2. I sleep at noon. (否定句)
I ______ ______ at noon.
3. The girl in a yellow coat is Wang Wei. (对划线部分提问)
______ ______ is Wang Wei?
4. He stays at school in the evening. (否定句)
He ______ ______ at school in the evening.
5. I have a nice watch. (改为感叹句)
______ a nice watch I have!