Lesson 6北京版小学英语一年级下册Unit 2 What do you do朝阳区甘露园小学授课教师:任硕Fish, fish, in my dishFish,fish, yummydo you do in the morning,…in the afternoonPEI have PE I run in the PEI have PE I jump in the PEI have PE I
Unit 2 What do you doLesson 7What do you do…in the eveningBirdieWhat do you do in the eveningI watchdo you do in the eveningI playhas two friends One is Birdie, the other one is Lala They are talking
北京市平谷区夏各庄学区田冬红Thank you
Unit 3 lesson 9 What colour is it朝阳第二实验小学建东苑校区 吴广娜Let's sing a song!What colour is your ballIt’scolour is your bag,LinglingIt’scolour is your ballWhat colour is itIt's red andcolour is itIt's red , ye
Let's live a low-carbon life大兴区长子营镇第二中心小学What are they printingpicturewordshomeworkABCYangyang can print on _________of the paperA one sideB both sidesLet’s live a ___________-rlcarbonDon’t leave the
Unit 2 Can you tell me more about her Lesson 7运河小学祁海芳Baobao’s sister is Baobao’s little sister She will beyears old She is She was born intheon Wenwen10tallUSAMarch 1stMike’s UncleMike’s Uncle is He i
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一描述毒理学二机制毒理学三管理毒理学四毒理学科学与艺术二损害作用与非损害作用 1. 损害作用:是指影响机体行为的生物化学改变功能紊乱或病理损害或者降低对外界环境应激的反 应能力 2. 非损害作用一毒性参数和安全限值 1 致死剂量或浓度 a 绝对致死剂量或浓度 b 半数致死剂量或浓度(LD50或LC50)
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