人们通常吧力量和速度这两个素质作为评判体力的主要标志。
参考答案:错
The policeman told the boys _____ with fire.[ ]
A. don't play
B. not play
C. play not
D. not to play
站秆扒皮晾晒一般可使玉米提早成熟()天。