A.分為單純型和喘息型B.白天較輕,晨起重C.痰多白色泡沫而難咳D.常在春夏季節(jié)發(fā)病
A.2~4minB.4~6minC.6~8minD.8min以上
A.麥?zhǔn)宵c(diǎn)B.上腰部C.臍周D.右下腹