下列哪项属于血管介入（）
A.冠脉搭桥术
B.脾动脉栓塞术
C.经皮腰穿刺
D.PTCD
E.经皮椎间盘切吸术
参考答案：B
完成下列反意疑问句。
1. The weather was very hot yesterday, ?
2. Andy has supper at home, ?
3. Bill can understand some Chinese , ?
4. Nothing is wrong with his bike, ?
5. There's a book on the desk , ?
在内源性凝血系统和外源性凝血系统开始共同起作用的因子是（）。
A.PF3
B.因子Ⅹ
C.因子Ⅺ
D.因子Ⅷ
E.因子Ⅱ
