Unit8单元知识点牛津译林版八年级英语下册.docxVIP

八年级下第8单元知识点整理（上） I like digging in the garden. dig动词挖洞，沟等，现在分词digging,过去式dug,过去分词dug Some children are digging in the garden. Last year they dug five channels.（隧道） digout挖出；找出；dig up掘地；发现 He had to dig the car out of the snow. They are digging up the basketball court to lay a new surface. Are you serious? serous形容词，认真的，严肃的，在句中作定语或者表语。固定结构be serious about（doing）sth. 对（做）某事认真。seriously严肃地，认真地，严重地 Believe mej am serious.相信我，我是认真的。 He looked serious when he walked in. serious形容词，严重的；重要的 She has made a serious mistake but she didnt realize it. 训练题第一部分 l.The cat is a hole in the garden.（挖） .-1 have decided to give up the job.-.You should think twice. s not the case. B.What a joke! C. Guess what? D.Are you serious? .-More and more people are getting sick.-If the problem is so,we should take action to stop it right now. We can reduce air pollution by riding bicycles. reduce动词，减少，降低，指重量、数目、范围、速度等减少或者降低。 reduce to 减少到，reduce by 减少了 We must take steps to reduce air pollution. Cost will be reduced by as much as 60% 成本降低了 60%之多。 We can save the energy by turning off the lights when we leave a room. turn off关上（开关）turn on打开（开关） turn动词，旋转；转动 turn on the button=turn the button on Turn it off. turn on/off都是动词+副词的结构，名词作宾语既可以放在中间，也可以放在后面。代词作 宾语，只能放中间。 turn down调低，拒绝turn up调高；出现turn in上交turn out生产；结果是 turn...into把变成turn to翻到；向求助turn over翻页；移交 Why did she turn down your invitation? I havent turn in Sundays homework yet. Although we are very worried,everything turned out well. More and more families own cars and this causes serious air pollution, cause动词 导致；造成，后接抽象名词、代词作宾语，也可以接双宾结构。 cause sb.sth to do sth.导致某人/某事 做某事 Smoking can cause lung cancer. I am afraid I will cause you much trouble, cause名词 原因；起因the cause of. 的原因 What was the cause of the fire? Unemployment is the cause of the poverty. s wise for people to choose public transport or ride bicycles. wise形容词明智的；充满智慧的，在句中可作表语或者定语。作定语时候，可以接具体名 词，也可以接抽象名词；作表语时候，后可接介词短语或者动词不定式。 To a wise person,time is like a diamond. Its wise of you to r