A:Devoting
B:To be devoted
C:Devoted
D:Having devoted
下列关于人体与外界气体交换的叙述,错误的是( )
物体在恒定的合力作用下做直线运动,在时间t1内动能由零增大到E1,在时间t2内动能由E1增加到2E1,设合力在时间t1内做的功为W1,冲量为I1,在时间t2内做的功是W2,冲量为I2,则( )
① ____ A. I have a shirt.
② ____ B. I like running.
③ ____ C. It is green.