疝一般包括疝孔（疝轮）、（）和疝内容物。
参考答案：疝囊
It is reported that a large number of people _____ been killed and the number ____ added up to
nearly 70,000 [ ]
A. has; has
B. have; have
C. has; have
D. have; has
全面推进社区建设，必须坚持改革创新，首先是（）。
A、机制创新
B、体制创新
C、内容创新
