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file:6.合成材料与环境问题例2.mp4 file:2.复合材料例1.mp4 file:4.天然纤维.mp4 file:3.人体中的元素例2.mp4 file:1蛋白质.mp4 file:神奇的复分解反应3.mp4 file:03.碳酸钙.mp4 file:04.酸碱中和的应用 例1.mp4

file:12. 健康的生活方式.mp4 file:10. 出血和止血.mp4 file:07. 计划免疫和艾滋病.mp4 file:05. 人体的第三道防线.mp4 file:03. 传染病的预防措施.mp4 file:29. 自然选择学说.mp4 file:28. 分析生物进化的一个实例.mp4 file:25. 地球上生命的起源.mp4 file:24. 人类应用遗传变异原理培育新品种.mp4 file:08. 保护生物多样性的主要措施.mp4 file:07. 生物多样性面临的威胁及其原因.mp4 file:06. 基因的多样性和生态系统的多样性.mp4 file:05. 生物种类的的多样性.mp4 file:03. 不同等级的分类单位——从种到界.mp4 file:02. 动物和微生物的分类.mp4 file:37. 病毒与人类生活的关系.mp4 file:34. 细菌、真菌与食品的保存.mp4 file:31. 细菌和真菌引起动植物和人患病.mp4 file:30. 细菌和真菌作为分解者参与物质循环.mp4 file:29. 多细胞真菌中的大型真菌.mp4 file:43. 拟定保护生态环境的计划.mp4 file:42. 环境污染对生物的不良影响.mp4 file:39. 胸腺、肾上腺和胰腺的激素调节.mp4 file:36. 反射与反射弧.mp4

file:27.conceit makes one lag behind.mp4 file:26.what will be will be.mp4 file:25.a stage play-The little Match girl.mp4 file:24.The foolish old man removed the mountains.mp4 file:23.Alex's Graduation Speech.mp4 file:22.we're preparing for the graduation ceremony.mp4 file:21.Marty's summer vacation plan.mp4 file:20.12 animals of the Chinese Zodiac.mp4 file:19.why are people of different colors.mp4 file:18.the magic carpet.mp4 file:17.what's the weather like.mp4 file:20.a plan for my winter vacation.mp4 file:19.our holiday in Australia.mp4 file:18.what are you going to do this weedend.mp4 file:16.My favorite famous person.mp4 file:15.He is great person.mp4 file:14..what do you know about him.mp4 file:13.why is he famous.mp4 file:12.Helpful polite hard-working.mp4 file:11.kind funny strict.mp4 file:32.when did you learn to.mp4 file:31.Mum's Diary.mp4 file:29.then and now.mp4 file:28.a special camp.mp4 file:27.how was your trip.mp4 file:25.simple past tense.mp4 file:23.where did you do last weekend.mp4 file:22.weekend activities.mp4 file:18.I have a lot of chores to do.mp4 file:17.My robot can do chores.mp4 file:15.I am a presenter of a TV show.mp4 file:14.what are your favourite TV shows.mp4 file:13.the experience of salesgirl.mp4 file:12.we like shopping online.mp4 file:11.skis boots poles and goggles.mp4 file:10.let's go shopping.mp4 file:09. my favorite animals.mp4 file:08. animals in the zoo.mp4 file:26.I am from .mp4 file:24.Nationality.mp4 file:23.what do you do in your free time.mp4 file:22.how often do you exercise.mp4 file:21.this is my friend.mp4 file:19.Hobbies.mp4

file:【000】.介绍【微信公众号：微课资料站】.mp3 file:43.【六年级试题】六年级的你，准备好挑战中考题目了吗？【微信公众号：微课资料站】.pdf file:【直播回听】暑假作文怎么写？我来告诉你【微信公众号：微课资料站】.mp3 file:【母亲节给妈妈的信】她是最擅长“撒谎”的人【微信公众号：微课资料站】.mp3 file:【发刊词】花生酥老师：语文老师期待什么样的作文？.mp3 file:020.第20期【学议论文】谁说小学生不能写议论文？【微信公众号：微课资料站】.mp3 file:019.第19期【多事例作文】别以为事例多凑字容易就完事大吉【微信公众号：微课资料站】.mp3 file:017.第17期【告别流水账】正视你的内心，和流水账说再见！【微信公众号：微课资料站】.mp3 file:016.第16期【写读后感】我就知道，你会说你没什么感想【微信公众号：微课资料站】.mp3 file:014.第14期【借景抒情】写作文凑字数，不如凑凑这几句话【微信公众号：微课资料站】.mp3

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file:【寒假讲义】初三语文阅读写作直播班.pdf file:思维导图.jpg file:第6讲.pdf file:6.议论文论证思路题专项突破.mp4 file:5.考场作文失分误区规避.mp4 file:2.乡情民俗作文素材积累与写作进阶.mp4 file:1.【中考难点攻坚】记叙文行文思路题专项突破.mp4

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