译林八年级下册Unit 8高频考点学案

这是一份译林八年级下册Unit 8高频考点学案，共4页。
译林版八年级下册Unit 8 高频考点1.空气污染    air pollution【1】动词pollute-不可数名词pollution-形容词polluted【2】air pollution;water pollution【3】the polluted water【4】被动语态be polluted2.①打开(开关)turn on    关上(开关) turn off②（声音）调高 turn up    （声音）调低turn down【1】以上四个词义辨析【2】turn around 转身【3】turn on/off （水、电、气）开\关     open/close（门、窗）开\关 过去常常开车送我去上学 used to drive me to school【1】used to do 过去常常做某事     be/get used to doing  习惯做某事     be used to do 被用来做某事【2】drive sb to sp.开车送某人去某地 尽力让它一直保持那样 try to keep it that way【1】try to do 尽力\努力做某事     try one best to do 尽某人最大努力做某事     try doing 尝试做某事【2】keep+形容词：keep healthy   keep+doing  一直做某事       keep on doing 继续做某事   keep +sb/sth +名词/形容词/介词短语  keep the room clean；keep it in your mind 以下是可采取的一些措施。 Here are some steps to take.【1】take steps采取措施【2】take与steps是动宾关系，所以用不定式to do,     There are a lot of clothes to wash.【3】注意动词后是否需要介词     Here is a topic to talk about.(talk about the topic)     There are many problems to deal with.(deal with the problems) 穷人们 the poor【1】the+形容词，表示一类人，看做复数，the young 年轻人【2】the+姓氏+s，表示一家人，看做复数，the Greens格林一家 允许某人做某事 allow sb. to do sth【1】被动语态：sb be allowed to do sth【2】允许做某事allow doing sth 还有很多 many more  (修饰可数名词)【1】a little /much more 修饰不可数名词，还有一些/还有许多【2】数量+more+名词=another+数量+名词     I would like two more cups.（another two cups）我还要2杯。     Can you show me one more photo?（another photo）能再给我看一张照片吗？ 用完，耗尽sth run out【1】sth run out不用被动！【2】sth run out= sth be used up【3】sth run out=sb run out of sth【4】run after 追赶；run across 偶然遇见；run away 逃跑如有可能   if(it is) possible   如有必要   if（it is）necessary为了(不)做某事  in order(not) to do sth.【1】in order that+句子【2】in order to do/in order that+从句可以与to do表示目的/so that+从句进行转化以便，为的是；结果….   so that【1】so that+完整从句，从句主语即使与主句主语相同也不能省略！【2】so+adj/adv+that+从句    如此...以至于...     such+名词短语+that+从句    如此...以至于...(对……)有影响，起作用 make a difference (to sb./sth.)【1】形容词different-名词difference（可数名词：影响、不同之处）【2】make a difference (to sb./sth.) 注意介词to【3】some differences between the two pictures听起来是个好主意  sound like a good idea【1】sound+形容词   sound听起来，系动词【2】sound like +名词短语【3】sound名词，大自然的声音15.采取行动做某事  act to do sth.=take action to do sth.【1】act行动，动词；action名词，行动     actor名词，男演员；actress名词，女演员【2】act to do sth.=take action to do sth.【3】三思而后行 Think twice before you act/taking action/actions16.本单元其他重点短语砍倒 cut down 【辨析】cut off 切断、中断；cut short缩短；cut in 插嘴；cut down砍到、削减彻底清理；清除clean up因……而罚款fine sb. for...    被动：sb be fined for ...依靠；取决于；依赖 depend on/upon     It depends.视情况而定。被分成…… be separated into...恶化，每况愈下 change for the worse对……有害 be harmful to...  在正确位置/不在适当的位置 in place/out of place