Unit10Howtostaysafesafety安全Safetyfirst安全的safe安全的cross横过crossing人行横道、十字路口road路crosstheroad穿过马路crossthestreet穿过大街safetycrossing安全的十字路口traffic交通light灯trafficlights交通灯Trafficlightisred.Docrossthestreetatthetrafficlightsorsafetycrossing.在交通灯区或安全的十字路口穿过路口。Don'tcrosstheroadwhenthetrafficlightisred.当红灯亮时不能穿过马路stair楼梯upstair楼上downstair楼下Don'trunonthestairs.money钱candy糖果stranger陌生人Don'ttakeanymoneyorcandyfromstrangersinthestreet.在大街上，不要从陌生人那里拿钱或糖果。trouble麻烦、烦恼introuble遇到烦恼Dotellyourteacherifyouseeaclassmateintrouble.如果看见你的同学有麻烦，告诉你的老师。hour小时duringschoolhours上学期间without没有Don'tleavetheschoolduringschoolhourswithoutaskingyourteacher.在上学期间不要离开学校，除非问了老师。should应该shouldn't不应该Heshouldn'tplayfootballontheroad.他不应该在马路上踢足球。Heshouldn'twalkadogontheroad.他不应该在马路上遛狗。Sheshouldn'twalkadoginthepark.她不应该在公园里遛狗。Youshouldn'tcrossthestreetwhenthetrafficlightisred.It'stoodangerous.Don'tcrossthestreetwhenthetrafficlightisred.It'stoodangerous.Youshouldn't_______________________.watchTVfortoolongIt'sbadforyoureyes.Don't_______________________.watchTVfortoolongIt'sbadforyoureyes.Youshouldn't___________.eattoofull（吃太饱）It'sbadforyourhealth（健康）.Don't___________.eattoofull（吃太饱）It'sbadforyourhealth（健康）.Youshouldn't___________.playonthestair.You'llfalldown.Don't___________.playonthestair.You'llfalldown.Youshouldn't___________.swiminthelake.You'llbedangerous.Don't___________.swiminthelake.You'llbedangerous.Youshouldn't___________.playontheroadYou'llbedangerous.Don't___________.You'llbedangerous.playontheroad
