8BU1知识点

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• Pollution fighters
  • pollution n.污染
    • 词转：pollute v.
  • fighter n.斗士；战士
    • 词转：fight n/v 打架（fought;fought)
    • 词组：fight against/with/for
  • collect v.收集
    • 词转：collection n.收藏品 collector n.收藏家
  • project n.项目
  • interview v.采访；面试
    • 词转：interviewer n.采访者；面试官
  • science n.科学
    • 词转：scientist n.科学家
      • *scientific adj.科学的
    • 【词缀】“-ist"表示"……专业人员“
      • art→artist; tour→tourist;type→typist
  • interest n.兴趣；利益 v.使……感兴趣
    • 词转：interested/interesting
    • 同义词组：be interested in=be fond of=be keen on
  • living adj.活着的
    • 作定语（修饰名词或代词）
      • 常考词组：living things 生物
  • alive adj.活着的
    • 作表语（放在系动词之后）
      • 常见词组：be alive/keep sth. alive
  • else adj.其他的
    • 考点：放在疑问词/不定代词之后
      • e.g. what else; something else
  • end n/v 结束；结尾
    • 词转：ending n.结尾
      • *endless adj.没完没了的
    • 词组：end up 结束
    • 词组辨析：
      • in the end=at last=finally “最后”
      • at the end of...+时间、地点
        • 常考词组：at the end of the concert/street
      • by the end of...+时间（过去）
        • 高频考点：过去完成时（had done)
      • on the end of...+物品
        • 课文：on the end of the pencil
  • suppose v.推断；认为；假设
    • 同义词：think/guess/believe
      • 否定前移
    • 常考词组：be supposed to “被期望；应该”
  • breath n.[C/U]呼吸
    • 词转：breathe v.
      • breathe in/out 吸入/呼出
    • 词组：
      • hold one's breath（屏住呼吸）；take a deep breath（深呼吸）
  • pure adj. 纯的，纯粹的，纯净的
    • 词转：purely
      • *purity n.纯净；纯洁 purify v.净化
  • thank n/v.感谢
    • 词转：thankful = grateful adj.感激的
    • 常考词组：
      • be thankful for/to
        • *be thankful for small mercies 见好就收
      • thanks to 多亏了……
  • harm n/v伤害
    • 词转：harmful/harmless
    • 常考词组：do harm to=be harmful to=be bad for
  • gas n.[C/U]气体
    • 词组：gas station 加油站 natural gas天然气
    • *固液气：solid/liquid/gas
  • take...from... vs release...into...
    • take harmful gases from the air
    • release oxygen back into the air
      • *carbon dioxide（二氧化碳）
  • 1.5小时
    • one and a half hours=one hour and a half
  • produce v.生产
    • 词转：production n.生产（过程） product n.产品
  • enough
    • 形副在前，名词在后
      • adv.
        • young enough 足够年轻
      • adj.
        • enough money 足够多的钱
    • 同义句转换
      • ……adj. enough to do sth.=so+adj. +that从句
  • wonderful adj.极好的
    • 词转：wonderfully；wonder
    • wonder：n.奇迹（=miracle）；v.想知道（=want to know)
  • as...as...
    • 反义词组：not as/so+形副词原级+as=less...than... “不如……”
      • This book isn't as/so interesting as that one.=This book is less interesting than that one .
    • 词组辨析：
      • as well as
        • 也；和……一样；不但……而且
          • 就近原则
            • e.g. Mary, as well as her parents, was haapy to hear the news
          • e.g. She is brave as well as clever.
      • as soon as
        • 一……就……
          • 主将从现
            • e.g. I will tell him the news as soon as he comes back.
          • 主过从过
            • e.g. As soon as I went in, he cried out with pleasure.
      • as long as
        • 只要
          • 主将从现
            • e.g. As long as you tell the truth, I'll help you.
  • natural adj.天然的；自然的；天生的
    • 词转：nature n.自然
  • air conditioner n.空调
    • 词转：air-conditioned adj.有空调的
  • certainly
    • adv.当然，行（用于回答）
      • 同义词：surely; ok; of course
    • adv.一定，确定，无疑
      • 词转：certain adj.
        • adj.确定的；必然的；特定的
        • pron.某些，某个
        • *make certain 确保
  • understand v.理解
    • understood;understood
    • 同义词：catch; get
    • [拓展]"mis-"表示“错误的；坏的；不好的
      • misunderstand（误解）；mislead（误导）
  • attack vs attract
    • attack n/v攻击；抨击
      • 词组：heart attack 心脏病
    • attract v.吸引
      • 词转：attractive；attraction[C/U]
        • 词组：tourist attraction 旅游胜地
  • warn v.警告
    • 词转：warning n.[C]警告
    • 词组：warn sb. (not) to do sth.
  • protect v.保护
    • 词转：protection n.
    • 词组：
      • protect against/from 使免受……
      • protect the environment
      • protect oneself by doing sth.
  • chemical
    • adj. 化学的
      • *chemical reaction/productis/industry 化学反应/化工产品/化学工业
    • n.[C]化学制品
    • 词转：chemistry n.化学；化学成分
      • 易错词组：chemistry teacher/labs 化学老师/化学实验室
  • nasty adj.令人厌恶的；肮脏的；恶毒的
    • 词组：taste nasty
  • join
    • 词组：join...toghther...结合，连接
    • 四个“参加”的辨析：
      • join+组织、团体等
        • join the army/party/club/us
      • take part in+（群众性）活动等
        • take part in activites
      • *participate in 相当于take part in
      • attend +（正式）会议、演讲、课程等
        • attend the meeting/lecture/speech/school
      • go in for=enter for “报名参加”
        • enter for an event 报名参加一场比赛
  • pass v.通过
    • passed; passed
      • 区分：past n.过去 adj.过去的
        • in the past(few years)/past tense
      • *paste:v.粘贴 n.面糊；浆糊
    • 词组：
      • pass by（路过）；pass away(去世)；pass through(穿过）；pass down/to/on （传递）
  • each other=one another "互相，彼此“
  • communicate v.交流
    • 词转：communication n.
    • 词组：communicate with
  • danger n.[C/U]
    • 词转：dangerous adj.
    • 词组：be in (great) danger
  • cut down 削减；砍倒
    • cut off 切断；中断
  • replace v.代替
    • 同义词组：take the place of...
    • [拓展]take place:①发生=happen/occur ②举行=hold