A.運(yùn)動(dòng)強(qiáng)度、密度和持續(xù)時(shí)間
B.運(yùn)動(dòng)強(qiáng)度、速度和持續(xù)時(shí)間
C.運(yùn)動(dòng)強(qiáng)度、耐力和持續(xù)時(shí)間
D.運(yùn)動(dòng)強(qiáng)度、節(jié)奏和持續(xù)時(shí)間
A.2.0-2.5
B.2.5-3.0
C.3.0-3.5
D.3.5-4.0
A.皮膚
B.肺
C.皮膚和肺
D.皮膚或肺