检查时让患者向两侧分别做转颈动作并加以阻力，比较两侧胸锁乳突肌收缩时的轮廓和坚实程度，这是检查（）的运动功能。
参考答案：副神经
患儿男，11岁。主诉左膝部剧痛伴高热入院，1周前因猩红热治疗好转。现有以下症状：左股骨下端剧痛，体温39.5℃，脉快，重症病容，白细胞2．0×109／L，膝关节不肿胀，X线片骨质未见异常。
该患儿最可能的诊断是（）
A.急性风湿热
B.急性骨髓炎
C.膝关节结核
D.尤文瘤
E.蜂窝组织炎
If people _____ the importance of living a low-carbon life earlier, there _____ so many environmental
problems now. [ ]
A. realized; wouldn't be
B. had realized; wouldn't be
C. had realized; wouldn't have been
D. realized; wouldn't have been
