正常V1导联QRS波群形态多为()
A.Qr
B.rS
C.Rs
D.qR
E.R
参考答案:B
治风湿热痹、关节红肿者尤为适宜的药物是()
A.独活
B.徐长卿
C.五加皮
D.羌活
E.秦艽
—Do you know if he ______to play basketball with us?
一He'll come if he ______ free tomorrow. [ ]
A. comes, is
B. comes, will be
C. will come, is
D. will come, will be