八年級英語下冊unit6topic3A學案無答案仁愛版

1、 unit 6 topic 3 section a 【學習目標】1. 學習if 引導的條件句。 2.談論自行車的用途及優(yōu)缺點?！局攸c難點】 if 條件句的用法?！绢A習導航】1. 學會并掌握下列單詞，在課文中畫出來。passenger crazy anywhere pollution imposible death shatp slow down opposite rush hotline policeman2. 閱讀1a,1c和2a,找出下列短語和句子并寫下來。你會很快習慣的。 _在任何地方我都不敢騎自行車。_如果人們遵守交通規(guī)則，事故就會更少。_停放自行車也容易。大多數(shù)人認為自行車必其它交通

2、工具更安全。 _騎自行車能幫助我們節(jié)約能源并且不會產(chǎn)生空氣污染。 _在公眾場合吐痰不好。_有時自行車交通事故確實會發(fā)生。_幾米遠的地方有一個向左拐的急轉彎。 _突然一輛卡車從對面駛來。_為避免撞上卡車，年輕人撞上了墻并重重地傷了胳膊。_注意啦！【知識鏈接】 1. i think traffic in beijing is crazy.我認為北京的交通很擁擠。 adj.“擁擠的” in some big cities,traffic is crazy.crazy 在一些大城市交通很擁擠。 adj.“不理智的，瘋狂的”are you crazy?你瘋了嗎？2. if 意為“如果，假設，倘若”引導條

3、件狀語從句。由if引導的條件狀語從句，若主句是將來時、祈使句或含有情態(tài)動詞時，從句常用一般現(xiàn)在時。如：ill go to see a film if i_（有）time.please ring me up if you _(到達) beijing。知識拓展 如果條件句中所“假定”的動作不會發(fā)生，可用unless(除非)接從句，相當于ifnot。如：i wont go there i hear from you.我不會去那兒，除非我收到你的來信。=i wont go there if i dont hear from you.3save energy 節(jié)約能源 類似詞組：節(jié)約時間 save _

4、省錢 save _知識拓展save ones life 救某人的命4.air pollution 空氣污染類似搭配：水污染 water pollution 噪音污染 niose _ 光污染 light _知識拓展 pollute(動詞)污染 ；polluter 污染源，污染者5avoid (doing) sth. 避免、避開(做)某事 i left early to avoid the rush hour.我早早離開以避開交通高峰階段。 he wants to avoid _ _(談論) his father.6. be hurt 受傷，be badly hurt=hurtbadly 嚴重受傷

5、he fell from a tree and hurt his leg badly.= he fell from a tree and his leg _ _ _.【課堂活動】1. 小組探討預習導航內容，掌握課文重點句子。2. learn section a. 聽1a錄音，回答“can michale ride bicycle anywhere when he first arrived in beijing ? 完成1b和1c. 探究2a疑難點并完成2b.3.課文閱讀風采展示。 4.知識反饋，布置作業(yè)?！境脽岽蜩F】一、 詞匯城堡。1. its _(不可能的) 通learn english

6、well if you dont work hard.2. there are too many _ (乘客) in the bus.3. if you have any trouble in a new city,you can ask a _(警察) for help.4. he must be c_ to drive so fast. its so dangerous. 5. birth and death are o_.6. you must s_ down at a crossing or a sharp turn.7. dont r_ across the street when

7、there is lot of traffic. its dangerous. 二我有“火眼金睛”，任你七十二變( )1.in such a cold day,you should wear more warm clothes to avold _ a cold. thanks. i will. a. get b. getting c. catch d. to catch( )2.evetyone should obey the traffic rules. _or there will be more accidents. a. i agree b. i dont agree c. i do

8、nt thind so d. its hard to say.( )3.if he _ the early bus,she _ there on time. a. catches;will get b. will catch; will get c. will catch; gets d. catches; gets( )4.cycling can help us save energy. youre right, it can help us keep healthy _.a.too b. also c. as well d. either( )5.did you find your pet

9、 dog ? no.i look for it, but i couldnt fid it _. a. anywhere b. everywhere c. here and there d. somewhere【作業(yè)卡】一根據(jù)漢語意思完成句子。 1.她在這場交通事故中受了重傷。she was _ _ _ the traffic accident.2.如果明天不下雨，我們就去春游。we _ _ a spring trip if it _ _ tomorrow.3.昨天湯姆撞到了一棵大樹上。tom _ _ a big tree yesterday.4.橫穿繁忙的街道是很危險的。 _ very dangerous _ _ a busy street. 5.司機們在雨天應小心減速行駛。 drivers should _ _ and take care in rainy day. 6.it is impo