塞尺从自由端起，前部超差，允许剪去超差部分后继续使用。
参考答案：对
All disputes （） or in the execution of this contract shall be amicably settled through negotiations.
A. with connection to
B. in connection with
C. by connection of
D. of connection for
井田内遇到落差大于（）米的特大型断层时，应以该断层作为井田边界。
A.50
B.30
C.100
D.150
