徒手人工呼吸的有效指征是()
A.胸廓起伏明显
B.颊部感觉有气体吹出
C.口唇红润
D.颈动脉出现搏动
E.浅反射出现
参考答案:A
Mary sings English songs well and ______.
A.Jane does too
B.either does Joes
C.so Janes does
D.so does Jane
我国当前城镇化程度约为()。
A.60%
B.10%
C.25%
D.40%