脊柱向前弯曲时，椎间盘的变化是（）
A.椎间盘前方变厚
B.椎间盘前方变薄
C.椎间盘无任何变化
D.椎间盘侧方变薄
E.椎间盘向前移动
参考答案：B
—________ you called yesterday evening?
—My sister.Why?[ ]
A. Who it is that
B. Who is it that
C. Who was it that
D. Who it was that
用药3日后仍不见疗效时，应及时去医院诊治的自我药疗的情况是（）
A.解热镇痛药退热
B.抗过敏药治疗荨麻疹
C.解热镇痛药治疗痛经
D.复方苯甲酸酊治疗体癣
E.口服麻黄碱治疗鼻黏膜肿胀
