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1、2022年高中英語Unit2 Working the land 第二課時語言點導學案新人教版必修4 (I)Learning goals: Learn the following new words and phrases: struggle, expand, thanks to, rid.of, the first to do.Step1. Leading inAsk a few students to briefly introduce YuangLongPing .Step2. Reading and thinking1. Indeed, his sunburnt face and arm
2、s and his slim, strong body are just like those of millions of Chinese farmers, for whom he has struggled for the past five decades.思考：為什么whom 前用 for? 1.Struggle v. n. 斗爭 拼搏 ，努力eg:1) The young man has struggled with sickness for a few months.2) In 1862, the American slaves won their struggle for fre
3、edom知識歸納：Struggle with sb 與某人搏斗，斗爭,與并肩作戰(zhàn)Struggle against. 為抵抗而斗爭Struggle for. 為而斗爭;努力爭取 Struggle to do sth 努力做某事Struggle to ones feet 掙扎著站起來即學即練：1) The two brothers struggled each other their parents old house.2) In order to protect the environment, we should struggle all kinds of pollution_3) After
4、 a few minutes, the young man struggled his feet, glaring at the enemy4) The angry man struggled control his temper(脾氣)2.Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields袁博士(開始)在不增加土地面積的基礎上尋求達到增收的途徑。expand，vt張開，使膨脹；擴張；擴充，擴展，發(fā)展業(yè)務 vi.發(fā)展；膨脹expandinto 把擴展發(fā)展成ex
5、pand into 發(fā)展成擴大成expand on sth 細說(闡述)expansion n 擴大，膨脹1) As we all know, metals expand when they are heated譯：_ 2)You can expand your knowledge by reading more books 譯：_ 3)Why not your story a novel?為什么不把你的故事擴展成小說呢?4)He his new plan他闡述了他的新計劃。辨析：expandextendenlargespread(1)expand“擴大；使膨脹”，指范圍、體積的擴大。(2)e
6、xtend“擴充；伸長”，指空間范圍等的擴大，長度、寬度的延伸及時問的延長。(3)enlarge指面積、體積和范圍的擴大以及能力的增長，不能用來指重量、速度、時間等。(4)spread側重指向四面八方展開，強調(diào)其表面，也指物種、疾病、思想或文化習慣的傳播、延伸。5)Water when it freezes水結冰時體積變大。6)The hot weather to October炎熱的天氣一直持續(xù)到十月份。7)Reading will your vocabulary閱讀能擴大你的詞匯量。8)The disease quickly around the village這種疾病迅速在整個村莊里蔓延
7、。3.Thanks to his research, the UN has more tools in the battle to rid the world of hunger知識歸納：1） thanks to 多虧，由于表示“因為，由于”的短語還有：because , as a result , on account , owing , due . _(多虧你的幫助),We were successful. (由于天氣不好) ，the match has been cancelled.2) rid v (rid rid ridding) rid.of . 使.擺脫 rid .adj. ge
8、t/ be rid ofHe finally rid himself of all financial worries他終于使自己擺脫了所有的財政憂慮。You have rid yourself of that bad habit.你已經(jīng)改掉了那個壞習慣。歸納：rid的過去式和過去分詞均是1)近義詞：Freeof使擺脫break away from脫離，擺脫2)rid的常用短語歸納：be rid of擺脫掉get rid of擺脫掉；除掉；處理掉如：I am glad to be rid of him我很高興擺脫了他。Well have to get rid of him我們必須擺脫掉他。He
9、 hopes to get rid of his bad habits他希望除掉他的壞習慣。3)用于“動詞+某人+of+某物”的常見短語還有：rob sb of sth搶劫某人某物remind sb of sth提醒某人某事inform sb of sth通知某人某事convince sb of sth使某冬信服某事ask sb of sth問及某人萊事expect sb of sth期望某人策事(物)require sb of sth要求某人某事(物)練習：You should rid yourself of the bad habits.You should the bad habits對
10、父親來說，要擺脫煙是很困難的Its _If you want to advance yourself in your studies, you will first have to yourself of those shortings that can bee barriers to progress.A. remove B. react C. rid D. reduceYoure coughing badly, Martin. Why not give up smoking?Give up smoking? Easier said than done, Amy. Once you the
11、habit of smoking, it is very hard for you toA. keep up; break it away B. take up; drop it outC. pick up; get rid of it D. build up; do away with it 4. Using his hybrid rice farmers are producing harvests twice as large as before.用他的雜交水稻種子，農(nóng)民們種出的糧食比以前多了一倍知識歸納：英語中的五種常見倍數(shù)表達法:ridof擺脫；除去用他的雜交水稻種子。農(nóng)民們種出的糧
12、食比以前多了一倍。剖析：1)本句中的現(xiàn)在分詞短語using his hybrid rice作方式狀語。動詞的現(xiàn)在分詞除了作方式狀語外，也可以作時間狀語、原因狀語或結果狀語。2）asas前可以用表示倍數(shù)的詞來修飾，如half，a quarter，twice，three times等，意為“是多少倍”。倍數(shù)的表達可用下面五個句型：倍數(shù)+as+形容詞副詞原級+as倍數(shù)+形容詞副詞比較級+than倍數(shù)+the+名詞(size，length，width，height，amount等)+of倍數(shù)+what+clauseby+倍數(shù)This tree is three times as tall as tha
13、t one這棵樹的高是那棵樹的三倍。The Yangtze River is almost three times longer than the Pearl River長江差不多是珠江三倍長。The newly broadened square is four times the size of the previous one新擴建的廣場的面積是未擴建時的四倍。The production of our factory is five times what it was five years ago我們工廠的產(chǎn)量是五年前的五倍。pared with that of last year，ou
14、r coal output has increased by four times與去年相比，我們的煤的產(chǎn)量增加了四倍。歸納：time表示倍數(shù)，一般只限于表示基數(shù)詞在內(nèi)的三倍或三倍以上；若表示兩倍，可用副詞twice或形容詞double。time表示的倍數(shù)也可以用分數(shù)、百分數(shù)或某些表程度的副詞替換。這張桌子比那張桌子長兩倍譯: _他的新房子占地面積180m2，是舊房子的三倍大His new house covers an area of 180m2, Which is .The new stadium being built for the Next Asian Games will be t
15、he present oneAas three times big as Bthree times as big as Cas big as three times Das big three times asAbout 110 million people moved to the city. The population is as ten years agoAas twice large Btwice as large Cas many twice Dtwice as many around the fire，the tourists danced with the local peop
16、leAGather BTo gather CGathering DTo be gathering5.In 1974, he became the first agricultural pioneer in the world to grow rice that has a high output.譯：_ The first to do sth “第一個做”The first/ second/last/ to do sth （不定式作后置定語）即學即練1）John Adams is the first man (land) on the moon2) He is always the last student (離開教室)Step3. TestingRead the text and translate the following words and phrases:1. consider himself a farmer 2.work the land 3.graduate from 4.search for a way 5.with the hope of 6.多虧 7.使世界擺脫饑餓 8.太多錢 9.而不是 10.關心 Bitter pills may have sweet effects 良藥苦口
2022年高中英語《Unit2 Working the land 第二課時語言點》導學案新人教版必修4 (I)
