7BUnit3-unit4最新广州、深圳沪教版牛津英语七年级下册教案剖析.

1、7bunit 3our animal friends重点单词、短语blind adj. 失明的，瞎的radio n. 收音机programme n.方案，项目helpful adj. 有用的helpless 无用的rescue v.援救mean v.表示···的意思allow v. 答应finally adv.最终，最终airport n. 机场pet n.宠物apologize v.赔礼lead 领导bark吠叫，咳嗽wake 叫醒，唤醒towel手巾，毛巾bottom底部，末端appear 显现climb攀登arrive at到达by oneself 独自的，

2、单独的lead sb. to 带着某人到··· fall asleep 入睡wake up 醒来，唤醒get down下来，懊丧 fire engine消防车重点句型1.i think.are very helpful animals. they help us. 2.without ., we cannot.3.we get . from.具体讲解：1. no one helped us. 没有人帮我们；no one 只用于“没有人” ，后面不跟“ of ”，作主语时， 谓语动词用单数，而且只能回答“ who ”开头的问句；同义词： nobody ；none“没

3、有什么人/东西” 表示对三者或三者以上全部否定的不定代词，谓语动词单复数都可用，可以用开回答 “ how many ”、“ how much ”的提问，也可以与of 连用；反义词：all2. it is in front of a tv.它在电视机前面； （复习）in front of指在某一范畴以外的前面，反义词是behindwho are you speaking to ？ no one.how many students are there in the room ？ nonein the front of指在某一范畴内部的前面，反义短语是at the back oftom is jus

4、t sitting in the front of the car, and her friend mary is standing in front of the car.汤姆正坐在汽车的前座，而她的伴侣玛丽站在汽车的前面；3. hear some noise ；听到响声noise n.噪音adj.noisy 吵闹的，嘈杂的noisilyadv.吵闹地 noise指令人不开心的“噪音”don t make so much noise；sound指能听到的任何声音（人、动物、自然界）voice主要指人的嗓音，说话、唱歌，也可以指动物的“叫声”at midnight he heard a str

5、ange sound ；liangying zhang s voice is sweet.tom and mike.1. what do you think the word “eyes-mean in sha sto.2. ”good morning, sir, you are welcome to stay.saiwereception.3. i'm blinoi can't go anywhere by 4. you mustapology for what you did.s. tomlead jim to his new room just now.6they wer

6、e too tired. they soon fell1+.p1. 6ome timelate, chailie started barking.8john woke up andsmell smoke.et: ib. in: in nighlc. in: at 2. tkwe la a big doudps skya. onb. sbove 3.mum, wlwe is mybalt7jt'sthe flooryour bd&under: onb. ofz; u£id8t 4. thara are eome bifqbtl36 tfi8.a inb, st 5. s

7、henzhen ie 0a west of guangz-w inb. onj. gunkorea ilpstte east of chinaa. inb. toc. in. ond. ind. pt; ind. on7bunit 4 save the trees.重点单词save 节约，节约pine n.松树discuss v.争论，谈论branch n. 树枝，分歧root n. 根，根源fight v. 与···战役against 反对，违反example 例子harmful有害的gas气体，毒气producen.农产品oxygen n. 氧气 major主

8、要的convenient adj. 便利的furniture家具 imagine 想象，想到diseasen.疾病digv.挖 hole n.洞carry 拿，搬运container n. 容器必背短语：take in 吸取come from 来自for example 例如in fact 实际上，事实上look around 四周环顾be made of 由··组成millions of数以百万的be good for 对···有害认真讲解：1. if i plant this seed in the ground， will it beco

9、me a pear tree， hi ？（ page43）由 if引导的条件状语从句，表示”假如”,假如主句（包括祈使句、含有情态动词can、may、must）用一般现在时，从句也要用一般现在时；主句用过去时，从句也要用过去的某种时态，假如主句是一般将来时态，从句要用一般现在时表示将来；2. they help fight against pollution.（ page44）fight vi.与.斗争，常与介词against 或 with 连用；如： they fought against the enemy fiercely扩展： fight vt. 战役，反对，可直接跟宾语；如： the

10、y fought their enemies bravely.他们英勇杀敌扩展： against prep. 意为“，违反，违反；紧靠，防范”；be against 反对， be for 赞同如： we take out umbrella just against a rainy day. 我们带上雨伞以防雨天；3. they take in harmful gases from the air and produce oxygen for us to breathe.（ page45） harmful adj.有害的 ; harm n. vt.损害；损害；危害; harmless adj.无

11、害的，不致伤的.如： it s harmful to your eyes to read in the dark.no harm would come to us. produce vt.产生，生产；也可以作为不行数名词，意为：产品，农产品；produce不行数 n. “农产品”或“自然产品”的总称，product可数 n.“产物，产品” ，多指工业产品，亦可指任何体力劳动或脑力劳动所生的东西或发源于其它事物的东西production不行数 n. “生产，制造” ；指生产的行为；也可指“产量”；the farmers brought their producetotownearlyeachsa

12、turday morning.machinery,cars,shipsareall industrial products.thecompanyisfamousforthe production of small cars.4.a lot of the furniture is made of wood.（ page45） furniture不行数名词，家具；a set of furniture 一套家具 ; 一件家具 a piece of furniture ；成品 +be made in+地点产于某地原料 +be made into+ 成品被制成成品 +be made of+原料（看得出，

13、物理）成 品 +be made from+ 原料（看不出，化学）由制成成品 +be made by+制造者被制造由制成my piano is made in beijing.the birthday cake is made by my mother. the table is made of wood.wine is made from grapes.grapes are made into wine.the bike is made in china.（记忆顺口溜：物质不变用of ，物质变化是from ）5. i can t imagine a world without trees.（p

14、age45）imagine vt.想像；猜想；臆断. 后面可跟名词,代词 ,动名词和从句作宾语；imagine指设想与事实相反的东西，指错误的猜想； 也可以表示猜想的东西没有确定性，只是一种印象；guess缺乏任何一句或资料而凭主观印象的猜想6. however,page48however副词，表转折，意为：然而；不过；we can hardly imagine life without water.我们简直不敢想象没有水的生活；openyoureyes ， andguesswhohasthe pen.however副词位于句首、居中、句末，要用逗号与其他部分隔开；but连词位于句首或居中；b

15、ut 之后一般不得使用逗号later, however, he changed his mind. but i did tell you about the examination.hate厌恶，不喜爱hatedoing sth.表示习惯性动作hate to do sh.表示某一次具体的行为7. she can skate at a very high speed because she practises a lot. practise vt. 训练，练习；宾语可接名词，代词，动名词；如： it's very important to practise listening.练习听力是

16、特别重要的； practisevi.如： don' t forget to practise after class. 课后别忘了练习； practise 的名词是 practice 不行数名词；通常指常常性或系统性的重复练习；practice makes perfect. 是一句谚语，意思是“熟能生巧”；8. but the speaker did not stop speaking until twenty past twelve.（page52）not.until意为：直到.才.；主语的动词一般为非连续性动词，它所表示的动作直到until 所表示的时间才发生；如： we won

17、t see any flowers until may.unitil连词，意为 :直到.时；用于确定句，主句的动词一般为连续性动词；如： he waits the children are asleep.i shall stay here until twelve o clock.9.another指三者或三者以上中的“另一个”i don t likethis one. pleaseshowme another.otheradj. 其他的，其余的，常用复数形式ask some other people.the other两者中“另一个” ，one· the other·&#

18、183;一个··另一个hehastwodaughters.oneis a nurse, the other is a worker.others其他的人或物there are no others.没有别的了；the others其余的人或物，表示一个范畴内其他全部two boys will go to the zoo, and the others will stay at home.10. 辨 析 carry ， take ， bring carry搬，扛不论移动的方向the mother carries her baby in her arms ；bring带来，带走以

19、说话人为中心，把某物带到说话人身边they re goingto bringsome giftsforus onchristmas.take以说话人为中心，把某物带到远处please take these books to the library for me.11. itcovers five and a halfmillionsquarekilometersof the amazonbasinand spreads acrossnine countries. （ page54）（1） cover v.掩盖，遮盖；covewith用···把··

20、;盖上；be covered with被.掩盖着；如： the road is usually covered with snow in winter cover 可数名词，意为：掩盖物，盖子，封面如： the new book needs a new cover.2 区分： across， cross， through， overacross介词，在空间内从一端到另一端，或是十字交叉穿过过河，过桥，过公路）cross动词，含义同上through介词；穿过，通过；动作是立体空间进行，穿过沙漠，森林，窗户over动词，就是对于位置的高低而言，强调翻越穿越高的障碍物，如篱笆，栅栏，山脉12. many living things lose their homes because of deforestation.（ page54）很多生物由于森林砍伐失去家园；livingn. 生物all living things全部生物adj. 活着的、有生命的，主要用于作前置定语及冠词the 之后，表示一类人the living 活着的人们alive活着的、有活力的the fish is still alive/living.live laiv“活的”“有生命的”“活生生的”，主要用来说鸟或其他动物a live fish 一条活鱼；a live tiger 一只活老虎实况的、现场直播