硬膜外穿刺针和导管误入血管的发生率约()
A.0.01%~0.19%
B.0.2%~2.8%
C.3.0%~4.0%
D.4.1%~5.5%
E.5.6%~10%
参考答案:B
—He is the only one of the students ______from the country in my class, and we have known for quite some time.
—Where did you meet for the first time?
—It was on the farm ________ I used to work.
A.who are; that
B.who is; where
C.that is; that
D.whom are; on which
凡未编入《中华人民共和国航行资料汇编》的资料,如果需要向国外提供时:().
A.由中国民航总局报经国家主管部门批准
B.由地区管理局报经中国民航总局批准
C.由机场航行情报室报经地区管理局批准
D.由机场航行情报室报经机场所在地的政府批准