Unit4 Amazing Plants and Animals Section A 讲义(重点句子和考点)—人教版英语八年级上册

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Unit4 Amazing Plants and Animals Section A 讲义(重点句子和考点)—人教版英语八年级上册

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人教版八年级上册
Unit 4 Amazing Plants and Animals重点句子和语法
Section A
一.What makes plants and animals amazing 是什么让动植物如此神奇?(p31)
考点:①make sth./sb. +adj. 使某物/ 某人....
②amaze v.使惊奇→amazing adj.令人惊叹的(修人)→amazed adj, 感到惊叹(修物)
be amazed at ... 对... 感到惊讶
③plant n.植物/工厂 v.种植
二.A. Heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest (p32)
考点:形容词、副词的最高级
①概念: adj.和adv.的最高级常用来表示三者或三者以上人或物的比较,其中最...。
②形容词和副词比较级的规则变化(类似于比较级的变化规则)
1一般在词尾直接加est tall—taller—tallest
2以字母e结尾的直接加st nice—nicest
3以辅音字母加y结尾的词,变y为i加est heavy—heaviest
4以重读闭音节最后是辅元辅结尾,双写末尾的辅音字母再加est thin—thinnest
5多音节词或部分双音节词的比较级和最高级在其前面加most。 beautiful—most beautiful
不规则的形容词副词的比较级和最高级
good/well—better—best many/much—more—most
little—less—least ill/bad/badly—worse—worst
old—older/elder—oldest/eldest far—farther/further—farthest/furthest
口诀:好坏多少远老 不规则
③注意:形容词最高级前必须加定冠词the(除了前面已经有形物或名格之外),而副词的最高级前可以不加定冠词the。
④句式1:主语+谓语+the +形容词或副词的最高级+of/in +范围,表示“主语是……中最……的”。
eg.t's the largest / biggest animal in the world. I jump (the) farthest in my class.
句式2: one of the+形容词最高级+n.复数 “最……之一”
Eg. Beijing is one of the largest cities in China.
句式3:the + 序数词 + 形容词最高级 + 名词,表示“第几大/长/高……”
eg. The Yellow River the second longest river in China.
总结最高级标志词:①one of ... ②of/in +范围 ③the +序数词
三.heavy adj.重的 / 大量的 eg. The blue whale is heavy . Tomorrow will have heavy rain.(p32)
四.I visited the redwood forests in California several times. 我曾多次参观加利福尼亚的红杉林。(p33)
考点:several times 数次 several + 可复n. = a few + 可复n. 数个....
time ①不可n. 时间 ② 可n. 次数
五.It's so beautiful! It's a folding fan. It has a painting of bamboo on it.好漂亮啊!这是把折叠扇,上面画着竹子。 (p33)
考点:①so +adj. (原级)=very/quite + adj,(原级) 非常/相当....
so+ adj.+ a/an +单n. = quite a/an + 单n.= such a/an + 单n. 如此...的一个....
②fold v.折叠, 折起,→folding adj.可折叠的
③fan n.迷, 扇子
④paint v.给…上油漆, (用颜料)绘画 →painting n.绘画, 油画
⑤bamboo 不可n. 竹子
六.Bamboo is one of the most popular subjects in Chinese paintings. It's a goodness in Chinese culture.竹子是中国绘画中最受欢迎的主题之一,在中华文化里,这是一种美德。 (p33)
考点: one of the+形容词最高级+n.复数 “最……之一” 做主语时,谓语动词用第三人称的单数
考点: ①be popular with sb.:受某人欢迎
eg.“Basketball is popular with boys.”(篮球受男孩欢迎)。
be popular for sth.:因某事/某物而受欢迎
eg.“The city is popular for its beautiful beaches.”(这座城市因美丽的海滩而受欢迎)
pupular 多音节词 →最高级 most popular
②名词后缀--ness
kind→kindness 仁慈good→goodness 美德/营养 happy→happiness 幸福
sad→ sadness 悲伤 sick →sickness疾病
七.Really Like what Well,bamboo is one of the fastest-growing plants. Some bamboo can grow almost one metre in one day. Also, it's one of the most useful plants in the world. 真的吗?比如什么?竹子是生长最快的植物之一,有些竹子一天可以长近一米。而且,而且,它是世界上最有用的植物之一。 (p33)
考点:① like what 比如什么 fastest-growing adj. 生长最快的
② almost =nearly 几乎/差不多(用于be 情助前/实义动词后)
③结构:grow + 具体数量 + in + 时间单位,表示“在某段时间内增长/生长了多少”
Eg. The plant can grow 5 centimetres in a week.(这种植物一周能长5厘米。)
④use v. 使用 →useful adj. 有用的 → usefully adv.有用地,有效地→useless adj.无用的
八.People can use it to build houses and make tools and instruments.Exactly! Actually we eat bamboo shoots too. Is Ella interested in bamboo How do you know 人们可以用它来建造房屋和制作工具和仪器。没错!实际上我们还吃竹笋。艾拉对竹子感兴趣吗?你怎么知道的?
考点:① use sth.to do sth. (不定式做目的状语) make tools and instruments 制作工具和仪器
②exact adj.精确的, 实际的→ exactly adv.精确地,确切地, 正是如此= in fact
③shoot 可数n. 嫩芽 v. 射击、发射 shoot at...向…射击[开枪等]
④be interested in ...对…感兴趣=show an interest in... places of interest 名胜古迹
九. I'm your tour guide today.Please feel free to ask me any questions you have. Bamboo seems to be a very popular plant in China. 我是你们今天的导游,请随时向我提问。竹子在中国似乎是一种很受欢迎的植物。你能告诉我为什么中国人如此喜欢竹子吗? (p34)
①a tour guide 一名导游 feel free to do sth.请随意做某事 any questions you have你有的任何问题(you have是定语从句)
②seem to do sth. 似乎在做某事 seem to be adj./n. 似乎是...
十.Can you tell me why the Chinese people like bamboo so much 你能告诉我为
什么中国人如此喜欢竹子吗?(P34)
结构: 主谓(主句)+ 引导词+宾语从句 {包括① that(可省略)+主谓宾 ②疑问词(what/how/when/why/where..)+主谓 ③if/weather(是否)+主谓} 时态: 主过从过,主现从不限,客观真理用一现
Eg.We want to know where the boy is from.
十一.The biggest land animal in the world is the African elephant.The cheetah runs the fastest among all land animals.世界上最大的陆地动物是非洲象。猎豹在所有陆地动物中跑得最快。(p35)
考点:①land n.陆地, 国土; v.(使)降落,着陆
②Africa n.非洲→African adj.非洲的, 非洲人的 n.非洲人
③among prep. 在…中(三者或以上) between A and B 在A与B之间(两者)
十二.It is perhaps the most interesting plant in the world.它可能是世界上最有趣的植物(p35)
考点:perhaps =maybe =probably 可能也许
十三. The elephant birds were the largest and heaviest birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg.这些象鸟是有史以来最大、最重的鸟类。有些可以站到3米高,重达860公斤。(p35)
考点:①ever 有史以来、曾经(存在过)②on earth 地球上
③stand up to +高度值 高达.. weigh up to +重量值 重达... up to.. 接近 达到
weigh v. 称重 →weight n.重量
十四.The ginkgo tree is one of the most beautiful living trees on earth.银杏树是地球上最美丽的现存的树之一。(p35)
考点:live、living、lively、alive 的区别解析
单词 词性 核心语义(定语 / 表语) 典型例句
live adj. / v. 居住 活的(生物);实时的 直播的 (只作定语) live animals(活的动物)、live show(直播节目)
living adj. / n. 活着的;现存的;生计(定语 / 表语(adj.)) living people(活人)、He is living.(他还活着)
alive adj. 活着的(常含 “幸存”);活跃的(定语 / 表语) He is alive.(他活着)、keep sth. alive(让某物有活力)
lively adj. 有活力的、生动的 a lively girl(活泼的女孩)、lively atmosphere(热闹的氛围)
十五.Ginkgo first appeared over200 million years ago. 银杏首次出现于2亿多年前。(p35)
考点:英语数字单位:hundred 百 thousand 千 million 百万 billion 十亿
口诀记忆法:“具体单数无of,概数复数加 of”
(例:three thousand books 三千本书,thousands of birds 上千只鸟
four hundred boys 四百个男孩 hundreds of plants数百株植物 )
over①prep. 在…的上方②prep.超过.. =more than... ③adj. 结束的
十六.Chinese people love the ginkgo, as it is a symbol of hope and long life.中国人喜欢银杏,因为它象征着希望和长寿。(p35)
考点 :as 的用法
①介词 作为(职业 / 用途);像…… 一样(接名词)
She works as a doctor in a hospital.她在一家医院里当医生。
The moon shone bright as a lamp.(月亮像灯一样明亮。)
②连词 引导从句 时间(当…… 时)、原因(因为)、方式(按照)
I was reading as my mother cooked.(妈妈做饭时,我在看书。)
As it was raining, we stayed at home.(因为下雨,我们待在了家里。)
Do as I tell you.(按照我说的做。)
③副词 用于 “as...as” 中,表 “同样...”
This book is as interesting as that one.(这本书和那本一样有趣。)
十七.One of the most popular activities is to take a walk under ginkgo trees .People believe the bright yellow leaves can bring joy to their heart .(p35)
考点:① sth. Is to do sth. (不定式作表语)
eg. His dream is to travel around the world.他的梦想是环游世界。
②bring sth. to sb. 给某人带来...
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