1、Unit 6Period 2 Grammar&Vocabulary新 课 导 入Please find out the attributive clauses using“介词+关系代词”in the passage“Longji Rice Terraces”and translate them into Chinese.1.These terraces were built by the local Zhuang and Yao people,to whom Guangxi is home.2.Building the terraces therefore meant that they c
2、ould increase the areas in which they could grow rice.龙脊梯田的建造者是广西当地的壮族和瑶族居民。建造梯田意味着他们能够扩大水稻的种植面积。学习目标学习目标1.进一步了解定语从句的结构和表意功能，掌握“介词+关系代词”的用法，并在真实语境中运用；2.通过阅读语篇，了解并掌握描述地形地貌的词汇，能够从位置、特征等方面恰当、具体地描述地理景观。课 堂 学 习1 Look at the sentences from the reading passage and answer the questions.Attributive clauses(3
3、)a they could increase the areas in which they could grow rice.b these terraces still mean a lot to the local people for whom traditions hold much value.1.What do“which”and“whom”refer to in each sentence?In sentence(a),“which”refers to“the areas”.In sentence(b),“whom”refers to“the local people”.2.Wh
4、y do we use prepositions before“which”and“whom”?We use prepositions before“which”and“whom”because“which”and“whom”serve as the object of the action phrases that end with a preposition.3.In sentence(a),can we replace“in which”with“where”without changing the meaning?Yes,because“in which”and“where”both
5、mean“in the areas”.Compare them with the following sentences and answer the questions.4.What is the difference between the two groups of sentences?Sentences(a)and(b)both contain a clause defining a noun in the sentence.Sentences(c)and(d)are constructed with a pair of simple sentences,with one defini
6、ng a noun in the other sentence in each pair.c they could increase the areas.They could grow crops in these areas.d these terraces still mean a lot to the local people.Traditions hold much value for them.5.Why does the author choose to use sentences(a)and(b)in the reading passage?The author chooses
7、to use sentences(a)and(b)1)to create a closer link and connection between the item and the clause defining it.2)to make the passage clearer.3)to emphasize the item being defined.Now look for more sentences with attributive clauses in the reading passage.1.what is most significant is the way in which
8、 people have worked in harmony with nature2.This forms clouds from which rain falls down onto the mountain terraces once again.“介词介词+关系代词关系代词”引导的定语从句引导的定语从句 一、关系代词在定语从句中作介词的宾语关系代词指人 介词+whom关系代词指物 介词+whicha.The man by whom the thief was caught was a good policeman.b.This is the reason for which I was
9、 praised by my chemistry teacher.二、“介词关系代词”结构中介词的选用介词的选择可以总结为：“一先、二动、三意义、四特殊”。1.一先一先，即先看先行词，从先行词入手。介词往往和先行词构成固定搭配。Language is one of means by which people can communicate ideas and emotions with each other.(by means 为固定搭配，表示“通过某种手段”。)What is at issue is the extent to which exam results can reflect a
10、 students ability.(to the extent 为固定搭配，表示“在某种程度上”。)2.二动二动，即看从句中的谓语动词结构。根据从句中谓语动词的搭配选择合适的介词。There comes Tom,for whom I have been waiting for an hour.(wait for sb 等候某人)汤姆总算来了，我等了他一个小时了。Do you know the girl to whom our teacher was talking?(talk to sb和某人交谈)你认识那个刚才和我们老师交谈的女孩吗？My mother missed her best fr
11、iend with whom she worked in her youth.(work with sb和某人一起工作)母亲很想念她最好的朋友，在年少时期，她们曾经一起工作过。像look after,depend on,pay attention to,take care of 等固定动词短语，在定语从句中一般不宜将介词与动词分开。This is the watch which I am looking for.(T)This is the watch for which I am looking.(F)This is the old lady whom Harold has taken ca
12、re of.(T)This is the old lady of whom Harold has taken care.(F)补充拓展：3.三意义：通过判断主句表达的全部意义来确定合适的介词。He was educated at a local high school，after which he went on to Beijing University.他在当地的一所高中上学，之后他继续在北京大学学习。Eric received training in computer for one year,after which he easily found a job in a big comp
13、any.艾瑞克接受了为期一年的电脑培训，之后他顺利在一家大公司找到了工作。4.四特殊：介词of 常用于“表示部分的词语of关系代词”结构。表示部分的词语常见的有：不定代词all,both,none,neither,either,some,any；数词(含基数词、序数词、分数和百分数)；数词名词；the最高级/比较级，以及表示数目或数量的词语many,most,few,several,enough,half,a quarter。There are ten books on the reading list,three of which are my favourite.阅读书单上有10本书，其中
14、3本是我最喜欢的。The factory produces half a million pairs of shoes every year,80%of which are sold abroad.这家工厂每年生产50万双鞋子，其中的80%销往国外。There are two rooms facing the south,the smaller of which is my study room.有两个朝南的房间，其中较小的那个是我的书房。2 Connect the sentences with a preposition+whom/which.1.The Zhuang is an ethni
15、c group.Its population is the largest of all ethnic groups in China.The Zhuang is an ethnic group of which the population is the largest of all ethnic groups in China.2.Guangxi is a province.The Longji Rice Terraces are located in it.Guangxi is a province in which the Longji Rice Terraces are locate
16、d.3.I want to visit this cultural landscape.The title of UNESCO World Heritage Site was given to it in 2016.I want to visit this cultural landscape to which the title of UNESCO World Heritage Site was given in 2016.4.He is an expert on rice planting.The local Zhuang people have learnt a lot from him
17、.He is an expert on rice planting from whom the local Zhuang people have learnt a lot.3 Complete the passage with a preposition+whom/which.Among the many beautiful treasures people can receive from nature are natural dyes.The most common natural source 1_ natural dyes come is plants.Materials for ma
18、king natural dyes can often be found in gardens 2_ colourful flowers are planted.Other natural dyes are made from insects,sea creatures and mineral compounds.from whichin whichNatural dyes are now returning to popularity,especially with artists and craftspeople.The reasons 3_they prefer natural dyes
19、 are that the colours are brighter and can be kept longer.Natural dyes are also becoming more popular with consumers 4_ caring for the environment is a priority.More and more people feel that by using natural dyes,we can remind ourselves of natures beauty and protect the natural world.for whomfor wh
20、ichGeographical features4 Read the descriptions and match them with the pictures.1.Located off the coast of Australia,the Great Barrier Reef is the biggest structure made by living organisms.You can explore the Great Barrier Reef by visiting an underwater observatory.2.Part of the Colorado River Bas
21、in,the Grand Canyon is a valley that is almost two kilometres deep.Tourists can stand on a narrow glass platform called the Skywalk to see the Grand Canyon.3.Victoria Falls is the largest waterfall in the world.The local people call it“the smoke that thunders”.The Victoria Falls Bridge connects the
22、countries Zimbabwe and Zambia.4.The English Channel separates England from France.These two countries are joined by the Channel Tunnel,a rail tunnel with a length of about 50 kilometres,most of which is under the sea.reefchanneltunnelseabasincanyonvalleywaterfall Words and expressions for geographic
23、al featureslocated off the coastkilometres deepseparatefromwith a length of Match the words and expressions to their Chinese meanings.盆地海峡瀑布大堡礁山谷海底隧道峡谷waterfallchannelChannel Tunnelvalleycanyon basin the Great Barrier Reef5 Complete the email with the words in bold in Activity 4.From:Emma To:Jane Su
24、bject:Hello from Guizhou!Hi Jane,Im now back in the hotel after a fantastic day exploring Huangguoshu National Park.The park is most famous for its 1_.Check out this video that I made-it shows the water falling into the deep 2_ below.Next week we are flying to the Turpan 3_ in Xinjiang,which is famo
25、us for its sweet grapes.Ive heard that grapes are dried in drying houses to make raisins.The walls of the houses have a lot of holes in them to allow wind to pass through.How clever!We are also going to ride camels,the ships of the desert.It sounds like I will be sailing on a(n)4_ of sand!See you so
26、on.Emmawaterfallvalley Basin sea6 Work in pairs.Talk about other geographical features in the world.Located in Northern Sichuan Basin,Jiuzhai Valley is the kingdom of waterfalls and has Karst land forms for which it is famous.Looking up at the sky,you will be amazed to find a sea of clouds.Apart from the breath-taking scenery,Jiuzhai Valley is home to nine villages and some unique wildlife.This wonderland is sure to attract more and more tourists to admire its beauty.课堂总结课堂总结
