高一英语必修4Unit2课件.ppt

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1、Who?贾思勰贾思勰 北魏末年和北魏末年和 东魏时的著名农学家东魏时的著名农学家, , 为我国完整保存至今为我国完整保存至今 最早的农书最早的农书齐民要齐民要 术术的作者。贾思勰的作者。贾思勰 具有广泛的农事知识具有广泛的农事知识, , 他深入乡里访问农家他深入乡里访问农家, , 并到田间亲自观察实验并到田间亲自观察实验, ,结合古文献结合古文献中的资料与自己的心得中的资料与自己的心得, ,较为系统地较为系统地总结了总结了6 6世纪以前中原地区的农业生产世纪以前中原地区的农业生产经验。经验。齐民要术齐民要术全书全书1010卷卷,92,92篇篇, ,分分别论述了各种农作物、蔬菜、果树、竹别论述了

2、各种农作物、蔬菜、果树、竹木的栽培木的栽培, ,以及家禽家畜的饲养，农副以及家禽家畜的饲养，农副产品加工等。尤为可贵的是产品加工等。尤为可贵的是, ,书中还记书中还记写了干旱地区的耕作、果树的嫁接等写了干旱地区的耕作、果树的嫁接等, , 反映了北朝时期农业生产的发展情况。反映了北朝时期农业生产的发展情况。 born-in Yidu in Shandong Provincelive-in the sixth century ADWhat did he do- research, collect information, study, do experiments and write a book

3、 called Qi Min Yao ShuRead the questions and answer them.1 What made Jia Sixie become interested in improving Chinese farming?He saw how some farms produced good crops and healthy animals and others did not.2 How did he think he could help farmers?He thought that when he found the best agricultural

4、methods he would write them down so all farmers could read about them and benefit.What advice did Jia Sixie give farmers?Make notes in the chart below.Advice for farmersKeeping seedsChoosing seeds to plantWay to get rid of weeds (1)Way to get rid of weeds (2)Autumn ploughingSpring ploughingCropsAdvi

5、ce for farmersKeeping seedshang seed-heads up to dry all winter knock seeds out when they are plantedChoosing seeds to plantchoose ones with the best colourWay to get rid of weeds (1)let animals eat them before plantingAdvice for farmersWay to get rid of weeds (2)turn the soil over and cover the wee

6、ds so they dieAutumn ploughing deep ploughingSpring ploughingless deep ploughingCropschange crops grown in the same field every yearLanguage points1. He was lost in thought. be lost in sth. 全神贯注全神贯注;沉浸于沉浸于 be lost in thought/admiration 陷入沉思陷入沉思; 敬佩不已敬佩不已 _ in thought，he almost ran into the car in fr

7、ont of him. NMET96 A. Losing B. Having lost C. Lost D. To lose 【简析】【简析】be lost in thought为固定搭为固定搭配配, 意为意为“陷入沉思陷入沉思”, 因此答案选因此答案选C。过去分词短语过去分词短语 lost in thought与句子与句子主语主语he构成逻辑上的动宾关系构成逻辑上的动宾关系, 且在且在句中作原因状语。句中作原因状语。 有关有关lose的短语的短语: lose ones cool 失去耐心失去耐心 lose heart 丧失信心丧失信心 lose ones heart to 爱上爱上. be

8、at a loss for sth. 对对.不知所措不知所措2. The next spring the seeds should be knocked out of their seed-heads and planted. knock out of 把把.敲出来敲出来有关有关knock的短语的短语: knock into sb. 表示表示“撞在某人身上撞在某人身上”She was in such a hurry and knocked into her teacher . 她太着急了她太着急了,并且撞在了老师身上。并且撞在了老师身上。knock into 还可以表示还可以表示“把把敲进敲进

9、”Knock a long , strong stick into the earth . 把一根又长又粗的木棍敲进土壤里。把一根又长又粗的木棍敲进土壤里。knock out 打败打败 knock off (口语口语) 停止停止 (工作工作)knock up (英口语英口语) 敲门叫敲门叫 (人人) 起床起床knock down (车等车等) 撞倒撞倒 (人人)knock in 敲进敲进 (钉子钉子) 等等Farmers proverbs & sayings1. Rain before seven, clear by eleven. 雨过天晴。雨过天晴。 2. April showers bring May flowers. 四月里的豪雨四月里的豪雨, 会带来五月里的繁花似锦。会带来五月里的繁花似锦。3. Deeds are fruits, words are but leaves. 行动是果实行动是果实,言语只是叶子。言语只是叶子。 4. Never cackle till your egg is laid. 事竟成事竟成, 才声张。才声张。 Homework Collect some information about the safety and importance of green food.