【单选题】人体对运动负荷的承受能力有一个缓慢的适应过程,承受能力也是随着锻炼水平的提高,而逐步提高的。如果负荷量长期停留在一个水平上,则不能对有机体产生良好刺激。有机体的机能提高是按照刺激——适应——再刺激——再适应的规律有节奏上升的。因此,在进行体育锻炼时就应随着这个节奏和规律科学地()
【多选题】以下关于体育锻炼后补水的说法,正确的是:
【简答题】—Have you been wasting time on computer s again?—__________. I’ve been studying a lot and I need a break. A.No way B.Not really C.I don’t agree D.I couldn’t agree more
【单选题】-Have you been wasting time on computer games again? -_________. I've been studying a lot and I need a break. [ ]
B.
Not really C. I don't agree D.I couldn't agree more
【单选题】— Have you been wasting time on computer games again? — _______. I've been studying a lot and I need a break. [ ]
D.
I couldn't agree more.
【单选题】下列关于吐蕃王朝说法正确的是()。
D.
吐蕃的兵峰极盛曾经一度攻打过长安、南诏和四川
【多选题】下列关于藏族的说法,正确的是()
D.
直到乾隆年间才称“西藏”,藏族称谓亦由此而来