两台塔式起重机之间的最小架设距离应保证处于低位的起重机的臂架端部与另一台起重机的塔身之间至少()距离。
A.0.5m;
B.2m;
C.5m
参考答案:B
句型转换。
1. He wants to be an actor. (改为一般疑问句)
he to be an actor?
2. There are some pandas in the zoo. (改为否定句)
There pandas in the zoo.
3. My grandfather is reading a newspaper in the room. (向划线部分提问)
is your grandfather in the room?
4. The post office is on Fifth Avenue. (向划线部分提问)
the post office?
5. Jenny does sports every day. (用now改写句子)
Jenny sports now.