2019-2020学年新教材高中英语unit6 a tone with natureperiodⅠst artingout&understandingideas教学案版本：外研版必修第一册.doc

Period Ⅰ　Starting out & Understanding ideas课前自学导引龙脊梯田想象一下，裹在银色水中的群山，在春天的阳光下闪闪发光夏天，随着水稻的生长，群山变得翠绿在秋天，这些山是金色的；在冬天，它们被白霜覆盖这些是龙脊梯田的颜色这些梯田是当地壮族和瑶族人建造的，广西是他们的家乡从元代开始，梯田的修建历经数百年，直到清初才完成放眼望去，这些梯田覆盖着高山，通常从山脚下一直延伸到山顶那么，为什么这些人要费那么大的力气把整座山变成梯田呢？首先，该地区很少有大片的平坦的土地因此，建造梯田意味着他们可以增加种植水稻的面积其次，虽然这个地区雨水充足，但山陡、土浅平坦的梯田吸收雨水，防止土壤被冲走但也许最重要的，是人们与自然和谐相处的方式来建造梯田、种植水稻梯田设计巧妙，数百条水道相互连通在雨季，雨水正是沿着这些水道从山上流下进入梯田太阳把水加热，把它变成蒸汽这就形成了云，雨从云中又一次落在了山上的梯田上这些梯田也为鸟类和鱼类提供了一个完美的环境，其中一些鱼类和鸟类以危害水稻作物的昆虫为食虽然现代技术可以帮助生产更多的作物，但这些梯田对看重传统的当地人来说仍然意义重大这种知识是通过家庭传承下来的，这意味着新一代继续使用古老的农业方法来维持梯田。

今天，龙脊梯田吸引了成千上万的游客前来观赏这个由人与自然共同创造的伟大奇迹课堂合作探究1harmony n. 融洽，和谐，一致(P63)归纳拓展(1)in harmony with 与……协调一致out of harmony with 与……不协调一致(2)harmonious adj. 调和的，和谐的，均衡的①Human life is regarded as part of nature and, as such, the only way for us to survive is to live in harmony with nature.人类生活被认为是自然的一部分，严格说来，我们生存的唯一方式就是与自然和谐相处②The music is out of harmony with her songs.曲调和她(所唱)的歌不和谐③It is a harmonious community where pupils are very happy.这是一个和睦的集体，学生们很开心1)单句语法填空We are trying to form a (harmony) society to meet peoples need.答案：harmonious(2)单句写作①只有人们彼此和谐共处，我们才能拥有安定的社会。

Only if people live can we have a stable society.②当孩子们长大后，他们的想法会与父母不一致When children grow up, their ideas will be their parents.答案：①in harmony with each other　②out of harmony with2design v. 设计，(为某种特定目的)计划　n. 设计；图案；意图(P63)归纳拓展(1)design sth. for sb./sth. 为……设计……(be) designed for sb./sth. 为……而设计be designed as sth. 被设计成be designed to do sth. 为做某事而设计；目的是(2)by design＝on purpose 故意地，蓄意地①This entrance has been specially designed for people in wheelchairs.这个入口是专门为坐轮椅的人设计的。

②It is designed as a textbook for a oneterm course.它可用作一学期课程的教材③The weekend party was designed to bring the two old men together.这次周末聚会的用意是让两位老人见面④We dont know whether it was done by accident or by design.我们不知道那是偶然的还是故意的单句语法填空①These seats are specially designed children who are under 5 years old.②The Project Hope is designed (help) those children who drop out of school because of poverty.③The meeting is designed an introduction to our new product.④The famous building is said to (design) by an outstanding architect (建筑师) called Jason.答案：①for　②to help　③as　④be designed3harm v．& n. 伤害，损害(P63)归纳拓展(1)do ... harm/do harm to ... 对……有害There is no harm in (sb.s) doing sth.做某事无害处(2)harmful adj. 有害的；伤害的be harmful to ... 对……有害处(3)harmless adj. 无害的，不会造成损害的①Reading novels on line for a long time before sleeping will do you harm.睡前阅读小说的时间太久对身体有害。

②The heavy haze in the eastern area of China especially in Jinan did great harm to peoples health.华东地区特别是济南的雾霾对人们的健康造成了巨大的伤害③Theres no harm in telling him the truth.把真相告诉他没有什么害处④Its harmful to your health to drink too much.过量喝酒对你的健康有害harm“危害，使受伤害”，常用于抽象事物hurt“弄疼，使受伤”，可指肉体上的伤害，更多用于情感上的伤害injure“使受伤，伤害”，尤其指在事故中受到的伤害wound“伤害，使受伤”，主要用于刀、枪、剑等武器对身体造成的创伤(1)选词填空(harm/hurt/injure/wound)①She my feelings and my heart was broken.②Tom was badly in the car accident.③The bullet his leg and he didnt stand up from then on.④Reading in dim light will your eyes.答案：①hurt　②injured　③wounded　④harm (2)同义句转换Staying up often can harm your health.→①Staying up often can your health.→②Staying up often can your health.答案：①be harmful to　②do harm tofeed on(动物)以……为食(P63)归纳拓展(1)feed sb./sth. on/with ... ＝feed ... to sb./sth.用……来喂/饲养某人/物be fed up with 厌烦……(2)live on (人)以……为主食，靠……生活①Butterflies feed on a sweet liquid produced by flowers, which bees and other insects collect.蝴蝶以花卉产生的一种甜甜的液体为食，蜜蜂和别的昆虫则采集这种液体。

②We feed our dogs on/with fresh meat.＝We feed fresh meat to our dogs.我们用新鲜的肉喂我们的狗③Many consumers today are fed up with receiving spam or unwanted email.如今，许多用户讨厌收到垃圾邮件和无用邮件④I dont know how they manage to live on ￡10 a week.我不知道他们一个星期靠10英镑是怎么生活的单句语法填空①Cattle chiefly feed grass.②She feeds a special kind of grass her sheep.③Im fed up his endless complaints.答案：①on　②to　③withDuring the rainy season, it is along these waterways that rainwater moves down the mountains and into the terraces.在雨季，雨水正是沿着这些水道从山上流下进入梯田。

P63)剖析本句中的“it was ... that ... ”是强调句型，强调的是地点状语along these waterways归纳拓展(1)强调句的基本句型是“It is/was＋被强调部分＋that/who＋句子其他部分”2)强调句的一般疑问句的构成是：“Is/Was it＋被强调部分＋that/who＋句子其他部分”3)强调句的特殊疑问句形式为“疑问词(被强调部分)＋is/was＋it＋that＋句子其他部分”4)not ... until ... 结构在强调句型中的运用，其结构为“It is/was not until ... that ... ”①It was his best friend that/who he met at the party.在聚会时他遇到的是他最好的朋友②Was it Sally that/who phoned you just now？刚才给你打的是莎莉吗？③What was it that prevented him from coming in time？是什么使得他没及时来？④It was not until she took off her sunglasses that I recognized her.。