4、一唱).Step3:Youcansinginyourgroup(小组内练习唱一唱).Step4:let'sPK(相互比赛).Theotherslistencarefully,andjudgewhoisthebestone(其他同学认真听,评出最佳歌唱家).3、知识延伸(Extension) (1)、Let’ssing.”Anappleadaykeepsthedoctoraway”.(2)、出示两个句子:①、Anappleadaykeepsthedoctoraway.②、Eat some fruits every day.Theyaregoodforourhealth.4、家庭作业(Ho