肱骨外上髁炎（）
A.肩关节外展受限
B.肩部疼痛、无活动受限
C.肘关节外侧疼痛
D.肘关节活动受限
E.Finkelstein试验阳性
参考答案：C
运动机构
— Do you know about "Tiger Mom"?
— Yes. Her children will never be praised _____ they have done everything she requires. [ ]
A. after
B. unless
C. once
D. when
