【单选题】运动训练的目标强度称为靶强度,常用的计算方法是
【多选题】用靶心率确定运动强度的方法( )。
A.
大强度相当于最大耗氧量的70~80%,相当本人最大心率125~165次/分
B.
中强度相当50~60%相当最大心率的110~135次/分
C.
小强度相当于40%以下,相当于100~110次/分
【单选题】We to the zoo yesterday.
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them 1 to eat. They don't have to 2 food by themselves. They just eat, walk and 3 all day. So many of 4 may think that...
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them food to eat. The animals don't have to 1 food by themselves. They just eat, walk and 2 all day. So many of 3 may ...
【判断题】一般认为旅游活动的“六要素”指的是吃、住、行、游、购、娱。