中频电疗法的频率范围为()
A.0~1kHz
B.1~100kHz
C.100~200kHz
D.500~1000kHz
E.200kHz以上
参考答案:B
After eating,you need to b_______ your teeth.
小题1:We usually go to bed at nine thirty,so we have a very h______ life.
小题1:
小题2:Liangliang loves to play with his c______after class,they’re like his brothers and sisters to him.
小题2:
小题3:I hope their dreams can come t______.
小题3:
小题4:Ice -cream usually t______ good,so students like to eat it after school.
小题4:
学习策略是指学习者为了完成一定的学习任务与目标,所采用的有效的行为活动。