桥梁工程落梁后应立即检查支座十字线和桥梁（）是否符合要求。
参考答案：伸缩缝
Describe the personal liabilities that may be incurred when carrying out business in the following formations:
(a) a sole trader; (2 marks)
一年内LES总分不超过20分的正常人约占（）。
A．90%
B．95%
C．99%
D．100%
