译林八年级下册Unit 8高频考点学案
展开译林版八年级下册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 polluted
2.①打开(开关)turn on 关上(开关) turn off
②（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/actions
16.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
