脊柱完全强直的AS患者如果存在炎症性背痛,TNF阻滞剂治疗()
A.可能仍然有效
B.可能无效
C.肯定有效
D.肯定无效
E.可试用
参考答案:A, B, E
I ______along the street looking for a place to park when the accident______ .
A.went; was occurring
B.went; occurred
C.was going; occurred
D.was going; had occurred
下为我国东南地区某地形的素描图。读图,回答下面各小题。
若将其转绘成等高线图(单位:米),则应为下列四图中的()
A.图A
B.图B
C.图C
D.图D