右下肺门的主要构成为()
A.右下肺动脉及下肺静脉
B.右下肺动脉及上下肺静脉
C.右下肺静脉及动脉(除后回归支外)
D.右下肺静脉及相应支气管、淋巴结
E.右下肺动脉
参考答案:A
在我国,低收入和最低收入家庭所在地占全部家庭的比例均为( )。
A.1%~5%
B.5%~10%
C.10%~15%
D.15%~20%
The doctors are the patient for his broken arm with a new drug. [ ]
A. curing
B. caring
C. treating
D. considering