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1、2020年精編人教版英語資料 第四冊第二單元第二課時 語言點(diǎn) BOOK4 Unit Two “Working the land” Help yourself and God will help you 自助者天助之 Learning goals: Learn the following new words and phrases: struggle, expand, thanks to, rid…..of, the first ……to do. Step1. Leading in Ask a few students to briefly introduce Yuang

2、LongPing . Step2. Reading and thinking 1. Indeed, his sunburnt face and arms 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 you

3、ng man has struggled with sickness for a few months. 2) In 1862, the American slaves won their struggle for freedom 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 one’s feet 掙扎著站起來 即學(xué)即練： 1) The

4、 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 a few minutes, the young man struggled his feet, glaring at the enemy 4) The ang

5、ry 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(chǔ)上尋求達(dá)到增收的途徑。 expand，vt．張開，使膨脹；擴(kuò)張；擴(kuò)充，擴(kuò)展，發(fā)展業(yè)務(wù) vi.發(fā)展；膨脹 expand…into… 把……擴(kuò)展／發(fā)展成…… expand into… 發(fā)展成／擴(kuò)大成…… expand on sth．

6、 細(xì)說(闡述)…… expansion n． 擴(kuò)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：________________________________________________

7、 3)Why not your story a novel? 為什么不把你的故事擴(kuò)展成小說呢? 4)He his new plan．他闡述了他的新計(jì)劃。 辨析：expand／extend／enlarge／spread (1)expand“擴(kuò)大；使膨脹”，指范圍、體積的擴(kuò)大。 (2)extend“擴(kuò)充；伸長”，指空間范圍等的擴(kuò)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(kuò)大以及能力的增長，不能用來指重量、速度、

8、時間等。 (4)spread側(cè)重指向四面八方展開，強(qiáng)調(diào)其表面，也指物種、疾病、思想或文化習(xí)慣的傳播、延伸。 5)Water when it freezes． 水結(jié)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(kuò)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。 3.Thanks to hi

9、s 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?yàn)?，由于”的短語還有：because , as a result , on account , owing , due . ① __________________(多虧你的幫助),We were successful. ② (由于天氣不好) ，the matc

10、h has been cancelled. 2) rid v (rid rid ridding) rid….of ….. 使….擺脫 rid .adj. get/ be rid of… He finally rid himself of all financial worries． 他終于使自己擺脫了所有的財(cái)政憂慮。 You have rid yourself of that bad habit. 你已經(jīng)改掉了那個壞習(xí)慣。 歸納：rid的過去式和過去分詞均是 1)近義詞： Free…of使擺脫…… break away from脫離，擺脫 2)rid

11、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。 We’ll have to get rid of him． 我們必須擺脫掉他。 He hopes to get rid of his bad habits． 他希望除掉他的壞習(xí)慣。 3)用于“動詞+某人+of+某物”的常見短語還有： ①rob sb of sth搶劫某人某物 ②remind sb of sth提醒某人某事 ③inform sb of sth通知某人某事 ④convince sb of st

12、h使某冬信服某事 ⑤ask sb of sth問及某人萊事 ⑥expect sb of sth期望某人策事(物)． ⑦require sb of sth要求某人某事(物) 練習(xí)： ①You should rid yourself of the bad habits. You should the bad habits ②對父親來說，要擺脫煙是很困難的 It’s __________________________________________________ ③If you want to advance yourself

13、in your studies, you will first have to yourself of those shortcomings that can become barriers to progress. A. remove B. react C. rid D. reduce ④—You're coughing badly, Martin. Why not give up smoking? —Give up smoking? Easier said than done, Amy. Once you the habit of s

14、moking, it is very hard for you to A. keep up; break it away B. take up; drop it out C. 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(dá)法: rid…of擺脫；除去 用他的雜

15、交水稻種子。農(nóng)民們種出的糧食比以前多了一倍。 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(jié)果狀語。 2）as…as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(dá)可用下面五個句型： ①倍數(shù)+as+形容詞／副詞原級+as ②倍數(shù)+形容詞／副詞比較級+than ③倍數(shù)+the+名詞(size，length，width，height，amount等)+of ④倍數(shù)+what+clause ⑤by+倍數(shù)

16、 This tree is three times as tall as that 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(kuò)建的廣場的面積是未擴(kuò)建時的四倍。 The production of our factory is five times what it was five

17、 years ago． 我們工廠的產(chǎn)量是五年前的五倍。 Compared with that of last year，our 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?jǐn)?shù)、百分?jǐn)?shù)或某些表程度的副詞替換。 ①這張桌子比那張桌子長兩倍 譯: ________________________________________ ②他的新房子占地面積180m2，是舊房

18、子的三倍大 His new house covers an area of 180m2, Which is . ③The new stadium being built for the Next Asian Games will be the present one． A．a(chǎn)s three times big as B．three times as big as C．a(chǎn)s big as three times D．a(chǎn)s big th

19、ree times as ④About 110 million people moved to the city. The population is as ten years ago． A．a(chǎn)s twice large B．twice as large C．a(chǎn)s many twice D．twice as many ⑤ around the fire，the tourists danced with the local people． A．Gather B．To gather C．Gathering D．To be gat

20、hering 5.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…” Th

21、e first/ second/last/… to do sth （不定式作后置定語） 即學(xué)即練 1）John Adams is the first man (land) on the moon 2) He is always the last student (離開教室) Step3. Testing Read the text and translate the following words and phrases: 1. consider himself a farmer 2.work the lan

22、d 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(guān)心 Bitter pills may have sweet effects 良藥苦口