社会体育的功能有哪些？
参考答案：
健身；文化娱乐；社会情感；经济。
公犬，5岁，突然出现排尿困难，尿滴沥，疼痛拱腰，尿中带血，尿色浑浊。该病症可辩证为（）
A.热淋
B.血淋
C.砂淋
D.膏淋
E.尿淋
Jack is said____ for a fortnight since he went to bed.[ ]
A. to sleep
B. to be sleeping
C. to be slept
D. to have been sleeping
