1、七年级英语上册Unit 5课文讲解1.Appreciate the beauty of nature. 欣赏自然之美。用法详解beauty为名词，译为“美丽；美人”；其形容词形式为beautiful（美丽的）。2.Compare and contrast 比较和对照常见搭配compare A with B 把A和B进行比较Compare . to . 把.比作.Compare with/ to . 与.相比Eg: Parents shouldnt compare their children with other children.父母不应该把他们的孩子和其他孩子进行比较。Shakespear
2、e compared the world to a stage. 莎士比亚把世界比作舞台。Compared with/to him, Im just a beginner. 和他相比，我只是一个初学者。3.It has little rain here, so its very dry. 这几乎没有雨.易混辨析a few、few、a little与little区别：a few “一些；少许” 后接可数名词复数，表肯定few “几乎没有”后接可数名词复数，表否定a little“一些；少许”后接不可数名词，表肯定little “几乎没有”后接不可数名词，表否定Eg: There are a fe
3、w apples in fridge, you can eat one.冰箱里有一点苹果，你可以吃一个。There are few apples in fridge, we should get some. 冰箱里要没有苹果了，我们应该去买一些。There is a little milk in fridge, you can drink some. 冰箱里有点牛奶，你可以喝一些。There is little milk in fridge, we should buy some. 冰箱里没有牛奶了，我们应该去买点。4.It is home to many plants and animals
4、. 它是许多动植物的家。用法详解此句中to many plants and animals为动词不定式作home的后置定语。5.You can find many kinds of sea animals in it. 你可以在里面找到许多种类的海洋动物。用法详解 kind (名词) 种类 (形容词) 善良的 常见搭配 all kinds of 各种各样的； a kind of 一种；different kinds of 不同种类的； kind of 有点（后加形容词）Eg: There are all kinds of books in this library.在这个图书馆中有各种各样的书
5、。The panda is kind of cute. 这只熊猫有点可爱。He is a kind boy. 他是一个善良的男孩。6.There is not enough air on the top of them. 顶部没有足够多的空气。用法详解enough为形容词，译为“足够的；充足的”，Enough在修饰名词时位于名词前。Enough为副词时，常用来修饰形容词/副词/动词，此时enough要位于所修饰词之后。常见搭配enough for sb. 对某人来说足够.Enough + 名词 + to do sth. 有足够的.可以做某事Not + 形容词/副词 + enough + to
6、do sth. 不够.做某事Eg: Maths is not easy enough for me. 数学对我来说不容易。I have enough time to finish my homework. 我有足够多的时间去完成我的作业。The book isnt easy enough for me to read. 这本书太难了，我看不懂。7.What is a desert like? 沙漠什么样？用法详解句式“What + be动词 + sth. /sb. like?”译为“某物/人是什么样的？”，该句式在询问某人时常常是询问人的性格、品质等。注意此句中的like为介词，译为“像”Eg
7、: - Whats your room like? 你的学校是什么样的？- Its small and nice. 它小且漂亮。- Whats your sister like? 你姐姐怎么样？- She is very friendly. 她很友好。知识拓展：在询问“某人外貌”时，常用“What do/does + sb. + look like?”的结构询问。Eg: - What does your sister look like? 你姐姐长什么样？- She has big eyes. 她长着大眼睛。8.Do you have any questions about deserts?
8、你有关于沙漠的问题吗？用法详解any在表示“一些”时，常常位于否定句或疑问句中，而肯定句中常用some。Eg: I have some books in my room. 我房间里有一些书。Do you have any books in your room? 你房间里有一些书吗。常见搭配ask some questions 问一些问题Answer some questions 回答一些问题易混辨析problem与question区别：Problem主要指客观存在的、难以解决或涉及到实际的复杂情景，需要深入思考的问题，常与solve连用；question侧重于由于对某事疑惑不解而提出的问题，通
9、常是为了获取信息或寻求答案，常与answer连用。Eg: Aging of population is a serious problem. 人口老龄化是一个严重的问题。Do you have any other questions? 你还有什么其它问题吗？9.It is usually dry, because there is little rain. 沙漠通常很干，因为几乎没有雨。用法详解because为连词，译为“因为；由于”，常常用来引导原因状语从句，或回答why引导的特殊疑问句。注意because不可与so连用易混辨析because和because of的区别Because后面接句
10、子；而because of后面接短语Eg: I was late for school because I got up late. 我上学迟到了因为我起来晚了。I was late for school because of the weather. 我上学迟到了以为天气原因。10.Not always. 不总下雨。11.In deserts, most houses have small windows to keep out the sun and wind. 在沙漠里，大多数房子有小的窗户用来阻挡阳光和风。常见搭配keep out 留在外面、远离、阻挡知识拓展：keep用法Keep (
11、动词) “保持；保留；持续；使.保持某种状态；饲养”常见搭配keep + 形容词 “保持.”Keep sb./sth. + 形容词 “使某人/某物保持某种状态”Keep doing sth. “一直做某事”Eg: Please keep calm. 请保持冷静。Please keep promise. 请信守诺言。Please keep the dictionary well. 请好好保存这本词典。Please keep the room clean. 请保持房间干净。My grandmother keeps some chicken in her yard. 我奶奶在庭院里养了一些鸡。Mr.
12、 Wang keeps working day and night. 王先生没日没夜的工作。12.Trees are homes to some animals. 树是一些动物的家。常见搭配be home to . 是.的家Eg: Sea is home to many animals. 海洋是许多动物的家。13.Some animals live in a forest. 一些动物住在森林里。常见搭配live at + 门牌号Live on + 街道Live in + 地点Live together 住在一起Eg: She lives in this beautiful village. 她
13、住在这个漂亮的村庄。She lives on Happy Street. 她住在幸福街。14.A plant needs three things to grow: water, sunlight and soil. 植物需要三样东西：水、阳光和土壤。用法详解Need (动词) 需要；有必要need可作情态动词，无人称和数的变化形式，后面需接动词原形常见结构need to do sth. “需要做某事（主动）”Need doing sth. “需要做某事（被动）”Eg: She need finish her homework in two hours. (need为情态动词) 她需要两个小时
14、内完成作业。She needs to finish her homework in two hours. (need为实义动词) 她需要两小时内完成作业。The tree needs watering. 这颗树需要浇水。15.The lake is hard to find. 那个湖很难找到。用法详解Hard在作形容词时，译为“困难的；艰难的；硬的”，常常位于名词之前修饰名词，也可作表语。Hard在作副词时，译为“努力地；艰难地；猛烈地”Eg: This is a hard work. 这是一份艰难的工作。This stone is hard. 这块石头很硬。Mr. Wang works ve
15、ry hard. 王先生工作非常努力。The wind blows hard, I cant open my eyes. 风刮得很猛烈，我睁不开眼了。16.Bees can fly among flowers. 蜜蜂会在花丛中飞翔。易混辨析among和between区别among为介词，译为“在.之中”，常常用在三者或三者以上的人或物之间。“Between. and.”译为“在.和.之间”，用来连接两个并列的成分。注意between常常用在两者之间或两两之间。Eg: He is the tallest among his classmates. 他在同学之间是最高的。There is a pa
16、rk between the school and the supermarket. 学校和超市之间有一个公园。Tony sits between his parents. 托尼坐在父母之间。17.He can turn around when people call his name. 当人们叫他的名字时他会转身。常见搭配turn around 转身易混辨析get, become, turn, grow和go的区别get“变得” 表示进入或变为某种状态，常接形容词或分词；become“变得” 多用于书面语，强调由一种状态向另一种状态变；turn“变得”强调变得和以前完全不一样；grow“变得
17、”指渐渐地变成，强调变化的过程；go“变得”多用来表示进入某种状态；Eg: The wind is getting stronger and stronger.风变得越来越强。Our country is becoming richer and richer. 我们的国家变得越来越富有。When she saw me, her face turned red. 当她看我的时候，她的脸变红了。The boy is growing thinner and thinner. 这个男孩变得越来越瘦。Eggs soon go bad in hot weather. 鸡蛋在热的天气了很快变坏。18.It
18、is great fun to watch him at the zoo. 在动物园里看他是非常快乐的。用法详解It is + 形容词 (+ for/of sb.) + to do sth. （对某人来说）做某事是.注意当形容词为人品格的形容词时用of，其它形容词用forEg: Its kind of you to help me. 你帮我太善良了。Its important for us to learn English. 对我们来说学英语很重要。19.Both bats and birds can fly. 蝙蝠和鸟会飞。常见搭配both. and. = both of. “两者都.”Eg
19、: Both Lily and Lucy are from England. 丽丽和露西都来自英国。Both of them are from England. 他们两个都来自英国。易混辨析 both与all区别：Both强调两者之间，可与of/and连用，而all强调三者或三者以上，只可以与of连用；二者作主语时，谓语动词都需用复数形式。Eg: Both of them are friendly. 他们两个都很友好。All of them are friendly. 他们所有人都很友好。20.Most of them are black and white. 它们大多数是黑白的。常见搭配mo
20、st of . .中的大多数Eg: Most of students are from America. 大多数学生来自美国。21.Many other things 许多其它的东西22.Guess the meaning of new words 猜想新词的意思用法详解meaning为名词，译为“意思”，其派生词为mean。知识拓展：Mean (动词) 意思是；表示.的意思 - meaning (名词) 意思常见搭配Mean to do sth. “打算做某事”Mean doing sth. “意味着.”The meaning of . “.的意思”Have meaning to sb. 对
21、某人有特殊意义What does sth. mean to sb.? 某物对某人来说意味着什么？Eg: Family means a lot to me. 家人对我来说很重要。I didnt mean to hurt your feelings. 我本不打算伤害你的感情。Nonresistance doesnt necessarily mean doing nothing. 不抵抗不一定意味着什么都不去做。Whats the meaning of the words? 这些词是什么意思？The meeting has meaning to us. 这次会议对我们有特殊意义。23.Where c
22、an you see so many trees? 你在哪可以看到如此多的树？用法详解So many译为“如此多的.”，其后需接可数名词复数；作主语时，谓语动词用复数。So much译为“如此多的.”，其后需接不可数名词；作主语时，谓语动词用单数。Eg: There are so many books in the library. 图书馆里有如此多的书。Panda can eat so much bamboo. 熊猫可以吃如此多的竹子。24.Travelers can take the cable to the top of the mountain. 旅行者可以乘坐缆绳到山顶。用法详解ta
23、ke 交通工具 to 地点 乘坐某种交通工具去某地知识拓展：该句式的同义句为go to 地点 by 交通工具。Eg: He often takes a subway to work. = He often goes to work by subway. 他经常坐地铁去工作。25.There are not as many animals as in a rainforest because there are not many foods in a desert.没有雨林那么多，因为沙漠里没有很多食物。用法讲解短语“as + 形容词 + as . ”译为“像.一样”，常常用来表示同级比较。Eg
24、: Her hair is as long as mine. 她的头发和我的一样长。26.But they are very different from each other. 但是它们彼此非常不同。常见搭配be different from . 与.不同Eg: This book is different from that one. 这本书和那本书不同。易混辨析 each other与one another区别：Each other通常用于指两者之间的相互关系，强调两个个体之间的相互关系；而one another通常用于指三者或三者以上的相互关系，强调整体重读每个个体都在进行相互影响。E
25、g: The students all like one another. 学生们都很喜欢彼此。We should help each other. 我们应该互相帮助。知识拓展：each用法小结each作代词或形容词时，译为“每个”，可用来指代每一个人或事物；可以与of连用。注意作主语时，谓语动词常用单数。Eg: Each of the students likes this movie. 每个学生都喜欢这部电影。Each person has their own unique personality. 每个人都有自己独特的个性。27.My cousins hometown and mine.
26、 我表哥的家乡和我的。用法详解mine为名词性物主代词，其对应的形容词性物主代词物主代词为my。注意mine后不可接名词，相当于“my + 名词”的形式。Eg: This is my bike. = This bike is mine. 这是我的自行车。28.My hometown, Xishuangbanna, is in the south of Yunnan. 我的家乡，西双版纳，在云南的南部。易混辨析in，on，to表示方位的区别：in 表示一地在另一地内部 on 表示两地接壤，毗邻 to 表示两地有距离间隔 Eg: Liaoning is in the east of China.
27、辽宁在中国的东部。Canada is on the north of the US. 加拿大在美国北边。Fujian is to the east of Yunnan. 福建在云南的东部。29.I often join some activities to protect them. 我经常加入一些活动来保护它们。易混辨析take part in和join区别Take part in . 参加 （常指参加某一活动并其积极作用）Join 参加 （常指参加某一党派、组织等）Eg: I will take part in the sports meeting next week. 我下周要参观运动会
28、。My brother joined the Amy in 2000. 我哥哥2000年参军。30.Lulu often buys flowers to decorate her house. 露露经常买花来装饰她的房间。用法详解buy为动词，译为“买”，其反义词为sell（卖）。常见搭配buys sb. sth. = buy sth. for sb. 给某人买某物Eg: I buy my mum a scarf. = I buy a scarf for me. 我给妈妈买了一条围巾。31.We welcome you to our hometowns and hope you can enj
29、oy traveling here.我们欢迎你们来我们家乡希望你可以享受这的旅行。用法详解welcome (动词) “欢迎” (名词) “欢迎”常见搭配welcome to + 地点 “欢迎来到某地”give sb. a warm welcome “热烈欢迎某人”Youre welcome. 不客气。Eg: Welcome to Beijing. 欢迎来到北京。The teahouse gave us a warm welcome. 这个茶馆热烈欢迎我们。32.Express his/ her view of caring for nature 表达他的/ 她关爱自然的观点用法详解 Care
30、(名词) 担心；忧虑 - careful (形容词) 认真的；仔细的- carefully (副词) 认真地；仔细地常见搭配care for sb. 照顾某人；Eg: She cared for her grandmother at home. 她在家照顾她的奶奶。33.People can grow rice and many vegetables in the south all year round.人们在南方可以整年种大米和许多蔬菜。常见搭配all year round = the whole year 整年易混辨析whole与all区别whole常用于修饰单数可数名词；位于冠词、指示代词、物主代词及名词所有格之后。all常用于修饰不可数名词或复数可数名词；位于定冠词、指示代词、物主代词及名词所有格之前。Eg: This whole holiday has passed quickly. 整个假期都过的很快。They walked all the way. 他们一路上都是步行。6
