Unit 6 第 3 课时 Grammar(知识精讲+分层练习)(教师版).pdf
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1、第 1 页 共 11 页 Unit 63Grammar第第第第第课时课时课时课时课时重点重点重点重点重点词汇词汇词汇词汇词汇 1.*vt.&vi.攻击,进攻 2.*n.北极熊 3.*adj.雄性的;男(性)的词汇词汇词汇词汇词汇拓展拓展拓展拓展拓展 1.baby-(2.family-(复习)复习)3.fish-(4.wolf-(复习)复习)5.if.not=重点重点重点重点重点词组词组词组词组词组1.迅速完成她的所有家庭作业2.参加竞赛节目3.认为节目有趣4./处于危险中 脱离危险5.从水中抓鱼6.以家庭的形式居住7到达摄影棚8./随身带你自己的食物 一把伞9.在摄影棚里需要乘坐小型巴士10.
2、带个导游四处游玩重点重点重点重点重点句型句型句型句型句型 1.,Tigers willif they live in如果生活在野外 老虎会猎捕自己的食物。the wild.2.What will male wolves do if?如果有危险,公狼会做什么呢?3.你不会实现你的梦想,除非你尽最大的努力。,you wont realize your dream.=If you dont try your best,you wont realize your dream.4.You will have a chance to你将有机会看到电视节目是如何录制的,除非你对它没什么兴趣。see how
3、a TV programme is recorded.目标导航第 2 页 共 11 页 【答案【答案【答案【答案【答案】一1.*attack 2.*polar bear3.*male二、词形变化、英文释义 1.baby-babies2.family-families 3.fish-fish4.wolf-wolves5.if.not=unless三、重要短语 plete/finish all her homework quickly迅速完成她的所有家庭作业 2.take part in the game show参加竞赛节目 3.find a programme interesting认为节目有
4、趣 4./be in danger/be out of danger处于危险中 脱离危险 5.catch fish from the water从水中抓鱼 6.live as a family以家庭的形式居住 7arrive at/get to/reach the studio到达摄影棚 8./take your own food/an umbrella with you随身带你自己的食物 一把伞 9.need to take the minibus in the studio在摄影棚里需要乘坐小型巴士 10.travel around.with a tour guide带个导游四处游玩四、重
5、要句子 1.,Tigers will hunt for their own food if they live in the wild.如果生活在野外 老虎会猎捕自己的食物。2.What will male wolves do if there is danger?如果有危险,公狼会做什么呢?3.Unless you try your best,you wont realize your dream.你不会实现你的梦想,除非你尽最大的努力。=If you dont try your best,you wont realize your dream.4.You will have a chanc
6、e to see how a TV你将有机会看到电视节目是如何录制的,除非你对它没什么兴趣。programme is recorded unless you have little interest in it.【语法】A.ifUsing【if:如果,引导条件状语从句】【精【精【精【精【精讲】讲】讲】讲】讲】作作作作作为连为连为连为连为连词词词词词,引,引,引,引,引导导导导导条条条条条件状件状件状件状件状语从语从语从语从语从句,句,句,句,句,它它它它它表示表示表示表示表示的的的的的意意意意意思是思是思是思是思是 假假假假假如如如如如如如如如如果果果果果 等等等等等。在在在在在复合复合复合复
7、合复合句中句中句中句中句中如如如如如果主果主果主果主果主句用句用句用句用句用将将将将将来来来来来if“”“”时,则时,则时,则时,则时,则引导引导引导引导引导的状语从的状语从的状语从的状语从的状语从句用一句用一句用一句用一句用一般现在般现在般现在般现在般现在时。时。时。时。时。if例如:1.If it doesnt rain,we will go to the park next Sunday.如果天不下雨,下周星期天我们将去公园。2.If you ask himhe will help you,如果你求他,他将会帮助你。知识点睛第 3 页 共 11 页 3.If you are a foot
8、ball fan,you may feel sad about it.4.If a bear is in danger,it will attack people.【语法】B.unlessUsing【unless=if not 除非,如果不除非,如果不除非,如果不除非,如果不除非,如果不(引导条(引导条(引导条(引导条(引导条件状从,件状从,件状从,件状从,件状从,主将从现)主将从现)主将从现)主将从现)主将从现)】【精讲】【精讲】【精讲】【精讲】【精讲】除非,除非,除非,除非,除非,如果不;如果不;如果不;如果不;如果不;在有在有在有在有在有些情况下些情况下些情况下些情况下些情况下两者两者两
9、者两者两者可以互换可以互换可以互换可以互换可以互换使用使用使用使用使用。unless=if not如:如:I cant see unless I wear glasses.=I cant see if I dont wear glasses.We will go to the park tomorrow unless it rains.=We will go to the park tomorrow if it doesnt rain.Unless you help me,I will not finish the work before the end of this month.=If y
10、ou do not help me,I will not finish the work before the end of this month.(1)主句为肯定句。如:You will miss the bus unless you hurry up.Youll fail your Chemistry test again unless you work harder.(2)主句为否定句或含有表示否定意义的词。如:You wont get on well with them unless you are friendly to people.【语法】C.重点短语句型重点短语句型重点短语句型
11、重点短语句型重点短语句型 【精讲】【精讲】【精讲】【精讲】【精讲】1.find a programme interestingfind+发现一个节目有趣【宾语 形容词(作宾补)】2.introduce Ato BAB介绍给认识 3.catch fish from water 从水中抓鱼 4.hunt for their own foodhunt for=look for寻找它们自己的食物【寻找】5.live as a family 以家庭方式生活 6.have little interest in it 对它几乎没有兴趣 1.Mum says _ I do my homework now,I
12、can watch a movie tonight.A.whileB.beforeC.ifD.until【答案【答案【答案【答案【答案】C【解析】【解析】【解析】【解析】【解析】句意:妈妈说如果我现在做作业,我今晚可以看电影。考查连词辨析。while 当时候;before在之前;if 如果;until 直到。根据句意可知,“I do my homework now”是 “I can watch a movie tonight”第 4 页 共 11 页的肯定条件,因此用 if引导条件状语从句。故选 C。2.You will succeed finally _ you give up halfwa
13、y.A.becauseB.unlessC.thoughD.since【答案【答案【答案【答案【答案】B【解析】【解析】【解析】【解析】【解析】句意:除非你半途而废,否则你最终会成功。考查连词辨析。because 因为;unless除非;though尽管;since 因为、自从。根据前后两句关系可知,“you give up halfway”是否定的条件状语从句,因此用 unless引导。故选 B。3.Helen,along with her brothers,_ Xiangshan Park if it _ tomorrow.A.is going to;isnt rainyB.are goin
14、g to;isnt rainy C.is going to;wont rainD.are going to;doesnt rain【答案【答案【答案【答案【答案】A【解析】【解析】【解析】【解析】【解析】句意:如果明天不下雨的话,海伦和她的兄弟们要去香山公园。考查 if 引导的条件状语从句。第一空,句子的主语是 Helen,“along with her brothers”修饰主语,所以谓语动词要根据句子的主语来确定。Helen 为第三人称单数形式,所以 be 动词用 is,排除 B、D 两项;第二空,if引导的条件状语从句,主句用一般将来时,从句用一般现在时。排除 C项。故选 A。4.Our
15、 dream will come true some day _ we keep trying and never give up.A.althoughB.so thatC.even thoughD.as long as【答案【答案【答案【答案【答案】D【解析】【解析】【解析】【解析】【解析】句意:只要我们不断努力,永不放弃,我们的梦想总有一天会实现的。考查连词辨析。although 虽然;so that 以便;even though 虽然;as long as 只要。“we keep trying and never give up”是 “Our dream will come true s
16、ome day”的条件,用 as long as引导条件状语从句。故选 D。5.You will miss the bus _ you hurry up.A.ifB.orC.unlessD.so【答案【答案【答案【答案【答案】C【解析】【解析】【解析】【解析】【解析】句意:除非你快点,否则你会错过巴士。考查连词辨析。if 如果;or 或者;unless 除非;so 因此。根据 “You will miss the bus you hurry up”可知,除非快一些,否则就要错过巴士,用 unless 引导条件状语从句,故选 C。6.According to the traffic rule,p
17、eople arent allowed to ride e-bikes _ they wear helmets.A.ifB.unlessC.sinceD.as【答案【答案【答案【答案【答案】B第 5 页 共 11 页【解析】【解析】【解析】【解析】【解析】句意:根据交通规则,人们不允许骑电动自行车,除非他们戴头盔。考查连词辨析。if 如果,引导条件状语从句;unless 除非,引导条件状语从句,相当于 if not;since 自从,引导时间状语从句;as 由于,引导原因状语从句。根据题干 “people arent allowed to ride e-bikesthey wear helme
18、ts”可知,使用 unless 引导条件状语从句,表示“如果人们不带头盔,那么他们不允许骑电动自行”。故选 B。7.I hear you are going to visit Disneyland next month.May I go there with you?Im afraid not,_ you have a ticket.A.ifB.unlessC.untilD.as soon as【答案【答案【答案【答案【答案】B【解析】【解析】【解析】【解析】【解析】句意:我听说你下个月要去迪士尼乐园。我可以和你一起去吗?恐怕不行,除非你有票。考查连词辨析。if 如果;unless 除非;un
19、til直到才;as soon as 一就。根据 “Im afraid not,.you have a ticket.”可知有票是能去的条件,表示否定的条件,用 unless 引导条件状语从句。故选 B。8.We can get over the trouble _ we depend on our own country.A.as much asB.as far asC.as soon asD.as long as【答案【答案【答案【答案【答案】D【解析】【解析】【解析】【解析】【解析】句意:只要我们依靠自己的国家,我们就能克服困难。考查形容词短语和连词。as much as 和一样多;as
20、far as 和一样远;as soon as 一就,引导时间状语从句;as long as 只要,引导条件状语从句。此处连接句子,用连词,结合句意,此处表示只要依靠我们自己的国家,我们就能克服困难,故选 D。9.What are you going to do tomorrow?If it _,Ill watch a movie at home.A.will rainB.rainsC.rainD.is raining【答案【答案【答案【答案【答案】B【解析】【解析】【解析】【解析】【解析】句意:你明天要做什么?如果下雨,我将会在家看电影。考查动词时态。该句是if 引导的条件状语从句,主句用一般
21、将来时,从句则用一般现在时,it 作主语,谓语动词用三单形式。故选 B。分层练习第 6 页 共 11 页一 根据句意及汉语提示或首字母写出单词.1.Alarge number of _()have been introduced to our city.小型公共汽车 2.You can find some _()nurses in some hospitals now.男性的 3.They were busy making CDs for that famous singer in the _()at that time.摄影棚 4.I think the documentary has su
22、ccessfully _()the life of the Indian people.录制 5.The strange man tried to a _ other people with a knife in the supermarket yesterday afternoon.6.Where does the p _ bear live?At the North Pole.【答案【答案【答案【答案【答案】1.minibuses 2.male 3.studio 4.recorded 5.attack6.polar二 用括号中所给动词的正确形式填空.1.If I_(tell)about t
23、he truth,I _(try)my best to help him.2.Unless you_(take)good care of,you will have an accident easily when you go outside.3.I _(not lend)the book to you unless you return it to me on time.4.Unless the weather is bad,my father always_(take)a walk in the evening.5.I _(feel)disappointed unless I_(give)
24、the chance.6.What _(happen)if they go to the meeting late?Sorry,I dont know.7.My friend Lily will not have a holiday unless she _(finish)the job next week.8.We are sure that PM2.5 _(control)if we work together to deal with pollution problems.【答案】【答案】【答案】【答案】【答案】1.am told;will try 2.are taken 3.wont
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