根据《高耸结构设计规范》，对接焊缝强度（）强度。
A.低于母材
B.等于母材
C.不应低于母材
D.不应高于母材
参考答案：C
单词拼写。
1. It was dark and he has completely lost his s______ of direction.
2. She gets c______ when her husband goes out drinking.
3. "Every dog has his day." is a s______, meaning that everyone gets his chances of doing well.
4. Breakfast is s______ until 9 am in our restaurant.
5. Let's give three c______ for our team--- they've won!
巴黎公社成立于 [ ]
A、1864年
B、1870年
C、1871年
D、1890年
