下列哪项不属于高级心肺复苏的措施（）
A.人工呼吸
B.气管插管
C.电除颤
D.建立静脉通路，维持循环
E.药物
参考答案：A
根据所给汉语，写出句中所缺的词语。
1.You could (自愿服务) in a hospital.
2.I'd like to help (无家可归) people.
3.We often visit (小学的，初级的) schools and help the teachers.
4.A girl won a million (美元) in the lottery.
5.Before you borrow something from a friend, you'd better ask his or her (许可).
大脑中动脉水平段是指（）
A.M1段
B.M2段
C.M3段
D.M4段
E.M5段
