听诊主动脉瓣关闭不全的舒张期杂音时应选取的体位是()
A.左侧卧位
B.右侧卧位
C.坐位体前倾
D.仰卧位深吸气
E.俯卧位
参考答案:C
— There are so many _____ over there. What's happening?
— Let's go to have a look. [ ]
A. flower
B. car
C. child
D. people
电子政务逻辑结构分为基础设施层、统一的安全电子政务平台、与 【19】 。