脊柱颈椎段活动受限常见于()
A.颈部韧带受损
B.颈椎结核或肿瘤浸润
C.颈部肌纤维织炎
D.颈椎病
E.颈椎外伤、骨折或关节脱位
参考答案:A, B, C, D, E
下列所给的图象中能反映作直线运动物体不会回到初始位置的是( )
A.
B.
C.
D.
--- Alice had nothing for breakfast this morning ,____ ?
--- No, she got up too late.
A.had she
B.hadn’t she
C.did she
D.didn’t she