___________ you okay? [ ]
A. are
B. Is
C. Are
答案:C
在平面直角坐标系内,将点P(-3,4)先向下平移4个单位,再向左平移2个单位后得到点Q,则点Q的坐标是______.
苏子具有的功效是()
A.泻肺平喘
B.宣肺平喘
C.清肺平喘
D.降气平喘
E.敛肺平喘