七年级下册英语Unit4Save the trees.docx

1、七年级下册英语Unit4 Save the trees七 年 级 英 语英语课题Unit4 Save the trees知识点及拓展:1.save v、 拯救To save the trees、拓展:1)to save ones life 救命、拯救生灵 She saved the dogs life、 2)节约、节省 It can save water to buy this kind of washing machine、 3)储蓄、保存、积攒 In order to save money, he made a desk by himself、2.discuss v、 讨论Lets dis

2、cuss the importance of trees、拓展:discuss with sb、 Lets discuss the plan with Mr、 Brown、3.argue, quarrel, debate, discuss & reason1) argue指提出理由或证据为自己一方得瞧法或立场辩护,着重说理、论证与企图说法。 We heard them arguing in the other room.2) quarrel指不友好得、吵吵嚷嚷得大声争论某事,尤其指“吵嘴、吵架”。 He often quarrels about their housework with his

3、 wife.3) debate指意见对立得双方之间正式或公开得争辩。 When I left, the men were still debating、4) discuss常用词,指就某一个或某一些问题表明观点、瞧法等,以便统一认识,解决问题。 We should discuss the problem、4.fight v、 与斗争They help fight against pollution、拓展:fight against/ with sb、/ sth、 为某人/ 某事而争论/ 打架 Have you fight with your brother just now? fight ab

4、out/ over sth、 因某事而争论 Dont fight about small things、5.against prep、 反对Are you against it or for it?6.example n、 例子Write down three examples、拓展:1) 表示给某人举例,一般用give。 Give an example、 2) set an example to sb、 给某人树立一个榜样。 He set a good example to us、 3) for example 例如,用作插入语。 He,for example,is a good stude

5、nt、7.harmful adj、 有害得They take in harmful gases from the air、 拓展:1) be harmful for (doing) sth、 对某物有害 Its harmful for your health、 2) be harmful to sb、 对某人有害 Its harmful to you、8.produce v、 产生、生产This machine can produce oxygen、拓展:1) produce by+ 生产者 These tables were produced by him、 2) produce from+

6、 生产地 These tables were produced from Shanghai、9.major adj、 主要得They are major fighter against air production、拓展:major in 主修(学科) Im major in English、10.furniture n、 家具The room had little furniture in it、拓展:furniture属表总称得物质名词(集合名词),没有复数形式,也不与a/ an连用,含义上永远就是单数。若要表示“量”,则可以用much, little, a little, a lot o

7、f, lots of等修饰,但不能用many, few, a few修饰。11.carry v、 搬运、扛、背The goods will be carried by the train to London、拓展: bring/ take/ carry/ get区别 bring意思为“拿来”、“带来”。指将某物或某人从别处“带来”。Bring me the book, please、take意思就是“拿走”,“带走”,把某物或某人从这里“带来”或“拿到”某处之意。It looks like rain、 Take a raincoat with you、carry就是“带着、搬运、携带”得意思,

8、指随身携带,有背着、扛着、抱着、提着得含义,不表明来去得方向。Do you always carry a handbag?get就是去某处将某物拿回来。There is no water in the bottle、 Why not get some?12.as a result (最终)结果He won the game as a result、拓展:as a result of 由于 He was late as a result of the snow、13.the number of & a number of区别the number of得数量,后面用可数名词复数,但谓语动词用单数。

9、The number of students in our class is 55、a number of许多,相当于many修饰可数名词复数,做主语就是,谓语动词用复数。A number of students are planting trees on the hill、14.do ones best to do sth、 尽某人最大得努力做某事= try ones best to do sth、We must do our best to protect the air、= We must try our best to protect the air、15.in many ways 用

10、许多种方法They help us in many ways、拓展:in得用法: 1) 表示时间,意为“在后”,常用于将来时或含有将来意味得句子中。 Ill be back in an hour、 2) 表示地点、位置、范围、空间等。 Look there is a hole in the wall、 3) 表示方式、手段、材料、语言等,意为“用”。 Can you answer my question in English？16.in fact 实际上、事实上In fact,I like your picture、17.get v、 得到拓展:1) get sb、 sth、 为某人弄到某物

11、Could you get me a new pen? 2) get + adj、 In summer it doesnt get dark until after 7 oclock、18.look around 四下观望,环顾Look around this room、拓展:look 相关短语(1) look after 照瞧,照料(2) look for 寻找(3) look around (4) look back on回想,回顾(5) look down on瞧不起(6) look forward to 盼望(7) look into朝里面瞧(8) look on、as把某人瞧作(9)

12、 look out当心(10) look over仔细检查;翻阅(11) look through浏览;仔细检查(12) look up抬头瞧;查;找出Grammar现在进行时现在进行时表示1、现在(说话得瞬间)正在进行或发生得动作,强调“此时此刻”。E、g、 He is reading 、 They are talking now、2、当前一段时间内得活动或现阶段正在进行得动作。E、g、 They are working these days、3、 某些动词得现在进行时,表预定得计划或即将发生得动作。E、g I am ing、其结构为be+现在分词、 现在分词得变法为:(1) 一般动词直接加

13、-ing 如:sing-singing eat-eating(2) 如以不发音得e结尾,先去掉e再加-ing 如:exist-existing e-ing (3) 以重读闭音节结尾,且末尾只有一个辅音字母(x除外)得动词先双写末尾辅音字母,再加-ing、 如:win-winning begin-beginning 但:mix-mixing kick-kicking explain-explaining专项训练:写出下列动词得现在分词形式work_dance_run_study_sing_have_sit_play_write_shop_study_mix_swim_fit listen 单选:

14、1、 Look! He _their mother do the housework、A、 is helping B、 are help C、 is help D、is helpping2 、_are the boys doing ? They are singing in the room、A 、Who B 、How C、What D、Where3、 Dont talk here、 My mother _、A、 is sleeping B 、are sleeping C、 sleeping D 、sleep4 、Danny _、 Dont call him、A、 is writeing B 、is writing C、writing D 、writes5 、When_he_back? Sorry, I dont know、A、 does,e B、are ing C、is e D、is ing填空1、 Its ten oclock、 My mother _ _(lie)in bed、2、 What _ _ he_ _ (mend)?3、 We_ _ (play)games now、4、 What_ _you_ _ (do) these days?5、_ _he_ _ (clean) the class