起重吊车扒杆损坏经修复后必须进行（）试验，（）试验。
参考答案：静负荷；动负荷
I live ______ the fifth floor ______ this building. [ ]
A. in, on
B. in, of
C. on, of
D. on, from
句型转换。
1.This is my pencil.(变为一般疑问句并作否定回答)
______ ______ ______ pencil?
No, it ______.
2. What's the English for this?(同义句转换)
What's ______ ______ English?
3. that, ID card, your, ?, is (连词成句)
______________________________
