人教版2026-2027学年八年级英语上册Unit4 Amazing Plants and Animals(同步单元讲义)(学生版+解析)

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人教版2026-2027学年八年级英语上册Unit4 Amazing Plants and Animals(同步单元讲义)(学生版+解析)

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Unit 4 Amazing Plants and Animals(单元同步讲义)
单元要点 1、围绕“神奇动植物、自然生态”主题,掌握动植物名词、描述外形/习性形容词,熟练形容词、副词最高级词汇; 2、掌握三者及以上事物对比的最高级句型,区分原级、比较级、最高级用法; 3、掌握one of、in/of范围限定、序数词+最高级等核心固定结构,辨析live/alive/living/dead、wide/widely易混词; 4、能围绕“介绍动植物、保护自然”完成对话与说明文写作,树立爱护动植物、保护生态环境的意识。
单元重难点 重点:形容词&副词最高级规则变化与不规则变化;最高级核心句型(one of the+最高级+复数名词、the+序数词+最高级、范围in/of);动植物主题短语。 难点:最高级前the的省略与保留;比较级、最高级场景区分;live/alive/living/dead形容词副词辨析。
单元考点:单词、短语、句型
知识点 What can plants and animals do?动植物可以做什么?(教材P32)
1. 主题核心词汇(必考拼写)
动物类
blue whale 蓝鲸;cheetah 猎豹;panda 熊猫;bee 蜜蜂;butterfly 蝴蝶;frog 青蛙;
植物类
bamboo 竹子;redwood 红杉;ginkgo 银杏;peony 牡丹;lotus 莲花;moss 苔藓;root 根;branch(pl.branches)树枝;leaf(pl.leaves)叶子;seed 种子;trunk 树干
生态抽象名词
speed n.速度;strength n.力量;ability n.能力;survival n.生存;ecosystem n.生态系统;pollination n.授粉
2. 易混形容词/动词辨析
(1) live / alive / living / dead 辨析
live v.居住;生存;adj.现场直播的(只作定语)
例:We are watching a live concert on TV right now. 我们此刻正在电视上观看现场直播的演唱会。
alive adj.活着的(只作表语/后置定语)
例:This old tree is still alive. 这颗老树还在活着。
living adj.现存的;有生命的(可定可表) 例:living things 生物
例:Ginkgo is one of the oldest living trees. 银杏树是现存的最古老的树之一。
dead adj.死亡的;枯萎的
例:Dead leaves fall down in autumn. 枯叶在秋天落下。
(2)wide/widely 辨析
wide adj.宽阔的(修饰名词) widely adv.广泛地(修饰动词)
例:This river is wide. 这条河很宽。
Bamboo is widely used in daily life. 竹子在日常生活中被广泛运用。
(3)词性变形拓展
survive v.生存 → survival n.生存 adapt v.适应 → adaptation n.适应;
connect v.连接 → connection n.联系 protect v.保护 → protection n.保护
【即时小练】选词填空 live/alive/living/dead
1. There are many ________ plants in the rainforest.
2. No ________ animals can live without water.
3. The ________ tree has no leaves at all.
4. We keep some small animals ________ in the garden.
3. 单元高频短语&固定搭配
(1) on earth 在地球上;究竟
(2) in the world 在世界上
(3) at a high speed 高速
(4) adapt to 适应
(5) be connected with/to 与……相连;息息相关
(6) play an important role/part in 在……中发挥重要作用
(7)be home to 是……的栖息地
(8)up to 高达;多达
(9) thousands of 成千上万的
(10) in fact 事实上
(11) for this reason 出于这个原因
(12) in order to 为了(表目的)
(13)protect wild plants and animals 保护野生动植物
(14) keep the balance of ecosystem 维持生态平衡
(15)store food 储存食物
(16) stand up to + 数字 高达……(尺寸/高度)
(17)a symbol of ……的象征
(18)feel free to do sth. 随意做某事
(19)the ability to do sth. 做某事的能力
(20)take actions to do sth. 采取行动做某事
【即时小练】根据中文补全短语/适当形式填空
1. All living things ________________ (发挥重要作用) our earth.
2. Pandas ________________ (是……栖息地) bamboo forests.
3. We must take action ________ (protect) rare plants.
4、单元常考句型(写作&口语万能句)
1. The world is full of amazing plants and animals. 世界上充满了神奇的动植物。
2. Bamboo is one of the fastest-growing plants on earth. 竹子是地球上生长最快的植物之一。
3. The blue whale is the largest and heaviest animal in the world. 蓝鲸是世界上体型最大、最重的动物。
4. The cheetah runs the fastest among all land animals. 猎豹是所有陆地动物里跑得最快的。
5. The Yellow River is the second longest river in China. 黄河是中国第二长河。
6. Plants and animals are closely connected with humans. 动植物与人类紧密相连。
7. Every living thing plays its own role in the ecosystem. 每种生物都在生态系统中有自己的作用。
8. We should protect rare plants and animals, or the earth will lose its beauty. 我们应当保护珍稀动植物,否则地球会失去生机。
9. What’s the most amazing plant you have ever seen 你见过最神奇的植物是什么?
10. As long as we try our best, we can protect all living things. 只要我们尽力,就能保护所有生物。
知识点2:最高级的用法(单元核心语法)
一、定义
三者及以上人/事物对比,表示“最……”。标志性搭配:in+地点范围 / of all / among+多者 / one of…
二、最高级变化规则(和比较级变化逻辑一致)
1. 规则变化
(1)一般词尾直接加-est,例:tall → tallest 高的 fast → fastest 快地 old → oldest 老的
(2)以不发音e结尾,只加-st,例:nice → nicest 好的 large → largest 大的 late → latest 迟的
(3)以重读闭音节(辅+元+辅)结尾,末尾只有一个辅音字母,双写末尾辅音字母+est,
例:big → biggest 大的 thin → thinnest 瘦的 hot → hottest 热的
(4)以辅音字母+y结尾,变y为i再加-est,
例:heavy → heaviest 重的busy → busiest忙的 lively → liveliest 活泼的
(5)多音节/部分双音节词:前加most,
例:beautiful → most beautiful 漂亮的 interesting → most interesting 有趣的
widely → most widely宽的
2. 不规则变化(必背)
good / well → best 最好的/最好地 bad / badly / ill → worst 最糟的/最糟地
many / much → most 最多的 little → least 最少的
far → farthest(距离最远)/ furthest(程度最深) 最远的/最深的
三、最高级必考固定结构
1. 主语+be+the+形容词最高级+ (名词) +范围 “...是...中最...的。”
例:The redwood is the tallest tree in this forest. 红杉树是这片森林里最高的树。
主语 + 实义动词 + (the) + 副词最高级 + 范围 “...是...中最...的。”
注:副词最高级前the可省略。of+同类人/物,in+地点/范围集合。
例:He runs fastest in his group. 他是他们组跑得最快的。
2. one of the +最高级+可数名词复数+范围 “……中最……的之一”
例:Lotus is one of the most beautiful flowers in China. 莲花是中国最美的花之一。
3. the +序数词+最高级+名词单数 “第几……的”
例:This is the third largest lake in our country. 这是我们国家第三大的湖。
4. Which/Who +动词+ the +最高级, A, B or C “哪一个最...,A, B, 还是C?”
例:Which is the most useful plant, bamboo, rose or ginkgo 哪一个是最有用的植物,竹子玫瑰还是银杏?
Who runs (the) fastest in your group, Tom, Jim or Jake 你们组跑得最快的是谁,汤姆吉姆还是杰克?
四、易错提醒
1. 形容词最高级前必须加the;副词最高级the可省;若有物主代词(my/his),不加the。
例:He is my best friend. 他是我最好的朋友。
2. 两者对比用比较级+than;三者及以上用最高级+in/of范围,不可混用。
3. 禁止双重变形:most tallest(错)→ tallest(对)
4. one of后名词必须复数,不能写单数
【即时小练】用所给词的适当形式填空
1. The blue whale is ________ (heavy) animal in the world.
2. The ginkgo is the ________ (old) living tree here.
3. This story is one of the most amazing ________( story) about plants.
单词填空
1. We should take action to p______ all wild animals. (保护)
2. All l______ things need water and sunlight to grow. (有生命的)
3. The c______ can run faster than any other land animal. (猎豹)
4. B______ is widely used in daily life in southern China. (竹子)
5. Bees have the a______ to help flowers finish pollination. (能力)
二、单项选择
1. Bamboo plays an important part ________ pandas’ daily life.
A. in B. on C. at D. for
2. Many old trees can ________ cold and dry weather.
A. care about B. adapt to C. bring out D. hang out
3. We must take action ________ rare plants from being destroyed.
A. protect B. to protect C. protecting D. protected
4. This lotus is one of ________ flowers in the garden.
A. beautiful B. more beautiful C. most beautiful D. the most beautiful
5. —Which animal is ________, the frog, the panda or the blue whale
—The blue whale.
A. heavy B. heavier C. heaviest D. the heaviest
6. Of all the students in our class, Linda writes ________.
A. carefully B. more carefully C. most carefully D. the more carefully
7. The Yellow River is ________ longest river in China.
A. one B. two C. the first D. the second
8. —Who draws ________ in your whole class, Lucy, Lily or Anna
—Anna. Her paintings always win prizes.
A. best B. better C. good D. the better
9. This is ________ exciting documentary(纪录片) about wild plants that I have ever watched.
A. more B. most C. the most D. much
10. Among all the trees in the park, the ginkgo grows ________.
A. the slowly C. most slowly B. more slowly D. much slowly
三、完成句子
1. 红杉是世界上最高的树木之一。
Redwood is ________ ________ ________ ________ trees in the world.
2. 所有生物在生态系统中都发挥重要作用。
All living things ________ ________ ________ ________ the ecosystem.
3. 我们应该采取行动保护野生动物。
We should ________ ________ ________ wild animals.
4. 竹子在中国是高洁的象征。
Bamboo is ________ ________ ________ nobleness in China.
5. 黄河是中国第二长河。
The Yellow River is ________ ________ ________ river in China.
四、完形填空
It was afternoon in the heart of Masai Mara. It was sunny. During the time, I took many photos because the light was __1__. There were a lot of __2__ in the national park, such as zebras, wildebeests(角马) and antelopes(羚羊).
I was __3__ the journey of them. Wildebeests and zebras were __4__crossing in a large group from Kenya's Masai Mara Natural Reserve(保护区) to Serengeti National Park in Tanzania. It was wonderful and __5__. Probably it was one of the best experiences in my lifetime.
Over 2 million zebras and wildebeests __6__ between Kenya and Tanzania all year round. That's because they want to __7__ the rain. They need more water. The seasons and changes in climate when it rains. So there is no way to know the exact time of raining. Animals' movement changes at the same time.
At the Serengeti National Park in Tanzania, the rainy __9__ are in March, April and May. And in Masai Mara, we will have more __10__ to see wildebeests from August to early November. It is interesting to see wildebeests in the wild.
( )1. A. difficult B.perfect C. deep D. dangerous
( )2. A. chairs B.plants C. visitors D. animals
( )3. A. looking at B. looking up C. looking after D. looking down
( )4. A. sadly B.quietly C. quickly D. comfortably
( )5. A. hot B. exciting C. noisy D. magic
( )6. A. die B. hit C. show D. move
( )7. A. follow B. pollute C. protect D. appear
( )8. A. remind B.report C.decide D. understand
( )9. A. weeks B. months C. years D. hours
( )10. A. problems B.parties C. chances D. benefits21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)Unit 4 Amazing Plants and Animals(单元同步讲义)
单元要点 1、围绕“神奇动植物、自然生态”主题,掌握动植物名词、描述外形/习性形容词,熟练形容词、副词最高级词汇; 2、掌握三者及以上事物对比的最高级句型,区分原级、比较级、最高级用法; 3、掌握one of、in/of范围限定、序数词+最高级等核心固定结构,辨析live/alive/living/dead、wide/widely易混词; 4、能围绕“介绍动植物、保护自然”完成对话与说明文写作,树立爱护动植物、保护生态环境的意识。
单元重难点 重点:形容词&副词最高级规则变化与不规则变化;最高级核心句型(one of the+最高级+复数名词、the+序数词+最高级、范围in/of);动植物主题短语。 难点:最高级前the的省略与保留;比较级、最高级场景区分;live/alive/living/dead形容词副词辨析。
单元考点:单词、短语、句型
知识点 What can plants and animals do?动植物可以做什么?(教材P32)
1. 主题核心词汇(必考拼写)
动物类
blue whale 蓝鲸;cheetah 猎豹;panda 熊猫;bee 蜜蜂;butterfly 蝴蝶;frog 青蛙;
植物类
bamboo 竹子;redwood 红杉;ginkgo 银杏;peony 牡丹;lotus 莲花;moss 苔藓;root 根;branch(pl.branches)树枝;leaf(pl.leaves)叶子;seed 种子;trunk 树干
生态抽象名词
speed n.速度;strength n.力量;ability n.能力;survival n.生存;ecosystem n.生态系统;pollination n.授粉
2. 易混形容词/动词辨析
(1) live / alive / living / dead 辨析
live v.居住;生存;adj.现场直播的(只作定语)
例:We are watching a live concert on TV right now. 我们此刻正在电视上观看现场直播的演唱会。
alive adj.活着的(只作表语/后置定语)
例:This old tree is still alive. 这颗老树还在活着。
living adj.现存的;有生命的(可定可表) 例:living things 生物
例:Ginkgo is one of the oldest living trees. 银杏树是现存的最古老的树之一。
dead adj.死亡的;枯萎的
例:Dead leaves fall down in autumn. 枯叶在秋天落下。
(2)wide/widely 辨析
wide adj.宽阔的(修饰名词) widely adv.广泛地(修饰动词)
例:This river is wide. 这条河很宽。
Bamboo is widely used in daily life. 竹子在日常生活中被广泛运用。
(3)词性变形拓展
survive v.生存 → survival n.生存 adapt v.适应 → adaptation n.适应;
connect v.连接 → connection n.联系 protect v.保护 → protection n.保护
【即时小练】选词填空 live/alive/living/dead
1. There are many ________ plants in the rainforest.
【答案】living
【解析】句意:雨林里有许许多多有生命的植物。living 作形容词,意为“活着的、有生命的”,可放在名词前作定语,living things/plants 固定搭配“生物/活的植物”。
2. No ________ animals can live without water.
【答案】live
【解析】句意:没有活体动物能离开水生存。live 形容词,表“活的、活体的”,仅用于名词前面作定语,live animals 活体动物;不能用alive(alive只能放be动词后),所以填live。
3. The ________ tree has no leaves at all.
【答案】dead
【解析】句意:这棵枯死的树一片叶子都没有。dead 形容词,意思是“枯死的、死去的”,修饰名词tree,符合“没有树叶”的语境,所以填dead。
4. We keep some small animals ________ in the garden.
【答案】alive
【解析】句意:我们在花园里养了一些小动物,让它们存活下来。keep sth. + alive 固定结构,“使...存活”,alive 作宾语补足语,意为“活着的”;alive只能作表语或后置补足语,不能放在名词前。
3. 单元高频短语&固定搭配
(1) on earth 在地球上;究竟
(2) in the world 在世界上
(3) at a high speed 高速
(4) adapt to 适应
(5) be connected with/to 与……相连;息息相关
(6) play an important role/part in 在……中发挥重要作用
(7)be home to 是……的栖息地
(8)up to 高达;多达
(9) thousands of 成千上万的
(10) in fact 事实上
(11) for this reason 出于这个原因
(12) in order to 为了(表目的)
(13)protect wild plants and animals 保护野生动植物
(14) keep the balance of ecosystem 维持生态平衡
(15)store food 储存食物
(16) stand up to + 数字 高达……(尺寸/高度)
(17)a symbol of ……的象征
(18)feel free to do sth. 随意做某事
(19)the ability to do sth. 做某事的能力
(20)take actions to do sth. 采取行动做某事
【即时小练】根据中文补全短语/适当形式填空
1. All living things ________________ (发挥重要作用) our earth.
【答案】play an important role in
【解析】句意:所有生物都在我们的地球上发挥重要作用。根据固定短语 play an important role in… 在……中发挥重要作用,主语All living things是复数,一般现在时动词用原形,所以填play an important role in。
2. Pandas ________________ (是……栖息地) bamboo forests.
【答案】are home to
【解析】句意:竹林是大熊猫的栖息地。根据固定搭配 be home to 是……的家园/栖息地,主语Pandas为复数,be动词用are,所以填are home to。
3. We must take action ________ (protect) rare plants.
【答案】to protect
【解析】句意:我们必须采取行动保护珍稀植物。根据固定结构 take action to do sth. 采取行动去做某事,不定式to do表目的,因此填to protect。
4、单元常考句型(写作&口语万能句)
1. The world is full of amazing plants and animals. 世界上充满了神奇的动植物。
2. Bamboo is one of the fastest-growing plants on earth. 竹子是地球上生长最快的植物之一。
3. The blue whale is the largest and heaviest animal in the world. 蓝鲸是世界上体型最大、最重的动物。
4. The cheetah runs the fastest among all land animals. 猎豹是所有陆地动物里跑得最快的。
5. The Yellow River is the second longest river in China. 黄河是中国第二长河。
6. Plants and animals are closely connected with humans. 动植物与人类紧密相连。
7. Every living thing plays its own role in the ecosystem. 每种生物都在生态系统中有自己的作用。
8. We should protect rare plants and animals, or the earth will lose its beauty. 我们应当保护珍稀动植物,否则地球会失去生机。
9. What’s the most amazing plant you have ever seen 你见过最神奇的植物是什么?
10. As long as we try our best, we can protect all living things. 只要我们尽力,就能保护所有生物。
知识点2:最高级的用法(单元核心语法)
一、定义
三者及以上人/事物对比,表示“最……”。标志性搭配:in+地点范围 / of all / among+多者 / one of…
二、最高级变化规则(和比较级变化逻辑一致)
1. 规则变化
(1)一般词尾直接加-est,例:tall → tallest 高的 fast → fastest 快地 old → oldest 老的
(2)以不发音e结尾,只加-st,例:nice → nicest 好的 large → largest 大的 late → latest 迟的
(3)以重读闭音节(辅+元+辅)结尾,末尾只有一个辅音字母,双写末尾辅音字母+est,
例:big → biggest 大的 thin → thinnest 瘦的 hot → hottest 热的
(4)以辅音字母+y结尾,变y为i再加-est,
例:heavy → heaviest 重的busy → busiest忙的 lively → liveliest 活泼的
(5)多音节/部分双音节词:前加most,
例:beautiful → most beautiful 漂亮的 interesting → most interesting 有趣的
widely → most widely宽的
2. 不规则变化(必背)
good / well → best 最好的/最好地 bad / badly / ill → worst 最糟的/最糟地
many / much → most 最多的 little → least 最少的
far → farthest(距离最远)/ furthest(程度最深) 最远的/最深的
三、最高级必考固定结构
1. 主语+be+the+形容词最高级+ (名词) +in/of短语 “...是...中最...的。”
例:The redwood is the tallest tree in this forest. 红杉树是这片森林里最高的树。
主语 + 实义动词 + (the) + 副词最高级+in/of短语 “...是...中最...的。”
注:副词最高级前the可省略。of+同类人/物,in+地点/范围集合。
例:He runs fastest in his group. 他是他们组跑得最快的。
2. one of the +最高级+可数名词复数+范围 “……中最……的之一”
例:Lotus is one of the most beautiful flowers in China. 莲花是中国最美的花之一。
3. the +序数词+最高级+名词单数 “第几……的”
例:This is the third largest lake in our country. 这是我们国家第三大的湖。
4. Which/Who +动词+ the +最高级, A, B or C “哪一个最...,A, B, 还是C?”
例:Which is the most useful plant, bamboo, rose or ginkgo 哪一个是最有用的植物,竹子玫瑰还是银杏?
Who runs (the) fastest in your group, Tom, Jim or Jake 你们组跑得最快的是谁,汤姆吉姆还是杰克?
四、易错提醒
1. 形容词最高级前必须加the;副词最高级the可省;若有物主代词(my/his),不加the。
例:He is my best friend. 他是我最好的朋友。
2. 两者对比用比较级+than;三者及以上用最高级+in/of范围,不可混用。
3. 禁止双重变形:most tallest(错)→ tallest(对)
4. one of后名词必须复数,不能写单数
【即时小练】用所给词的适当形式填空
1. The blue whale is ________ (heavy) animal in the world.
【答案】the heaviest
【解析】句意:蓝鲸是世界上最重的动物。根据in the world 表示三者以上的大范围对比,要用形容词最高级,heavy是以“辅音字母+y”结尾,变y为i再加-est,形容词最高级前面必须加the,所以填the heaviest。
2. The ginkgo is the________ (old) living tree here.
【答案】oldest
【解析】句意:银杏树是这里现存最古老的树。因为the后面接形容词最高级,old为规则变化,直接加-est,所以填the oldest 最古老的。
3. This story is one of the most amazing ________( story) about plants.
【答案】:stories
【解析】句意:这是关于植物最神奇的故事之一。根据固定结构 one of the + 最高级 + 可数名词复数,表示“最……之一”,story复数形式为stories。
单词填空
1. We should take action to p______ all wild animals. (保护)
【答案】protect
【解析】句意:我们应该采取行动保护所有野生动物。和单词首字母提示,所以填protect,意为“保护”。
2. All l______ things need water and sunlight to grow. (有生命的)
【答案】living
【解析】句意:所有有生命的生物生长都需要水和阳光。living 形容词,意为“有生命的”,修饰名词things;living things 固定搭配,生物。
3. The c______ can run faster than any other land animal. (猎豹)
【答案】:cheetah
【解析】句意:猎豹跑得比其他任何陆地动物都快。cheetah 名词,猎豹;空前有the,一般the后跟名词单数,所以天cheetah。
4. B______ is widely used in daily life in southern China. (竹子)
【答案】Bamboo
【解析】句意:竹子在中国南方日常生活中被广泛使用。bamboo 名词,竹子;此处作句首主语,表一类事物,首字母大写。
5. Bees have the a______ to help flowers finish pollination. (能力)
【答案】ability
【解析】句意:蜜蜂拥有帮助花朵授粉的能力。the ability to do sth. 做某事的能力,固定搭配;ability 名词,能力。
二、单项选择
1. Bamboo plays an important part ________ pandas’ daily life.
A. in B. on C. at D. for
【答案】A
【解析】句意:竹子在大熊猫的日常生活中起着重要作用。根据固定搭配 play an important part in… 在……中起重要作用,介词用in,所以选A。
2. Many old trees can ________ cold and dry weather.
A. care about B. adapt to C. bring out D. hang out
【答案】B
【解析】句意:许多老树能够适应寒冷干燥的气候。adapt to 适应;care about 在意;bring out 使显现;hang out 闲逛,只有adapt to符合语境,所以选B。
3. We must take action ________ rare plants from being destroyed.
A. protect B. to protect C. protecting D. protected
【答案】B
【解析】句意:我们必须采取行动保护珍稀植物,避免它们遭到破坏。根据固定结构 take action to do sth. 采取行动做某事,不定式to do表目的,所以选B。
4. This lotus is one of ________ flowers in the garden.
A. beautiful B. more beautiful C. most beautiful D. the most beautiful
【答案】D
【解析】句意:这朵荷花是花园里最美的花之一。根据one of the + 形容词最高级 + 名词复数,beautiful多音节词,最高级为the most beautiful,所以选D。
5. —Which animal is ________, the frog, the panda or the blue whale
—The blue whale.
A. heavy B. heavier C. heaviest D. the heaviest
【答案】D
【解析】句意:青蛙、熊猫和蓝鲸,哪一种动物最重?蓝鲸。三者对比用形容词最高级,形容词最高级前必须加the,the heaviest 最重的,所以选D。
6. Of all the students in our class, Linda writes ________.
A. carefully B. more carefully C. most carefully D. the more carefully
【答案】C
【解析】句意:在我们班所有学生中,琳达写字最认真。根据of all 三者及以上范围,副词carefully最高级most carefully,副词最高级the可省略,所以选C。
7. The Yellow River is ________ longest river in China.
A. one B. two C. the first D. the second
【答案】D
【解析】句意:黄河是中国第二长河。根据the + 序数词 + 最高级,表示“第几……”,the second longest 第二长,所以选D。
8. —Who draws ________ in your whole class, Lucy, Lily or Anna
—Anna. Her paintings always win prizes.
A. best B. better C. good D. the better
【答案】A
【解析】句意:你们全班谁画画最好,露西、莉莉还是安娜?安娜,她的画作总能获奖。三者对比用副词最高级best,修饰动词draws,副词最高级the可省略,所以选A。
9. This is ________ exciting documentary(纪录片) about wild plants that I have ever watched.
A. more B. most C. the most D. much
【答案】C
【解析】句意:这是我看过最精彩的野生植物纪录片。I have ever seen 常搭配最高级,exciting多音节形容词,最高级the most exciting,所以选C。
10. Among all the trees in the park, the ginkgo grows ________.
A. the slowly B. most slowly C. more slowly D. much slowly
【答案】B
【解析】句意:公园里所有树木当中,银杏树生长得最慢。根据among all the trees 表示三者以上范围,slowly副词,最高级most slowly,所以选B。
三、完成句子
1. 红杉是世界上最高的树木之一。
Redwood is ________ ________ ________ ________ trees in the world.
【答案】one of the tallest
【解析】根据句意和固定句型 one of the + 形容词最高级 + 可数名词复数,表示“最……之一”;tall 的最高级为 tallest,所以填one of the tallest。
2. 所有生物在生态系统中都发挥重要作用。
All living things ________ ________ ________ ________ the ecosystem.
【答案】play an important role in
【解析】根据句意和固定短语 play an important role in 意为“在……中发挥重要作用”;主语 All living things 是复数,谓语动词用原形 play,所以填play an important role in。
3. 我们应该采取行动保护野生动物。
We should ________ ________ ________ wild animals.
【答案】take actions to protect
【解析】根据句意和固定搭配 take actions to do sth. 采取行动做某事;should 为情态动词,后面跟动词原形 take,所以填take actions to protect
4. 竹子在中国是高洁的象征。
Bamboo is ________ ________ ________ nobleness in China.
【答案】a symbol of
【解析】根据句意和固定短语 a symbol of ……的象征,所以填a symbol of。
5. 黄河是中国第二长河。
The Yellow River is ________ ________ ________ river in China.
【答案】the second longest
【解析】根据句意和固定结构 the + 序数词 + 形容词最高级,表示“第几……”;second 第二,long 的最高级 longest,所以填the second longest。
四、完形填空
It was afternoon in the heart of Masai Mara. It was sunny. During the time, I took many photos because the light was __1__. There were a lot of __2__ in the national park, such as zebras, wildebeests(角马) and antelopes(羚羊).
I was __3__ the journey of them. Wildebeests and zebras were __4__crossing in a large group from Kenya's Masai Mara Natural Reserve(保护区) to Serengeti National Park in Tanzania. It was wonderful and __5__. Probably it was one of the best experiences in my lifetime.
Over 2 million zebras and wildebeests __6__ between Kenya and Tanzania all year round. That's because they want to __7__ the rain. They need more water. The seasons and changes in climate when it rains. So there is no way to know the exact time of raining. Animals' movement changes at the same time.
At the Serengeti National Park in Tanzania, the rainy __9__ are in March, April and May. And in Masai Mara, we will have more __10__ to see wildebeests from August to early November. It is interesting to see wildebeests in the wild.
( )1. A. difficult B.perfect C. deep D. dangerous
( )2. A. chairs B.plants C. visitors D. animals
( )3. A. looking at B. looking up C. looking after D. looking down
( )4. A. sadly B.quietly C. quickly D. comfortably
( )5. A. hot B. exciting C. noisy D. magic
( )6. A. die B. hit C. show D. move
( )7. A. follow B. pollute C. protect D. appear
( )8. A. remind B.report C.decide D. understand
( )9. A. weeks B. months C. years D. hours
( )10. A. problems B.parties C. chances D. benefits
【答案】1.B 2.D 3.A 4.C 5.B 6.D 7.A 8.C 9.B 10.C
【解析】主旨大意:作者讲述在马赛马拉观赏动物大迁徙,动物追随雨水往返两国,两地雨季不同,观赏角马的时间也不同。
1. 句意:我拍了很多照片,因为光线十分完美。difficult困难的;perfect完美的;deep深的;dangerous危险的。光线好适合拍照,perfect符合语境,所以选B。
2. 句意:国家公园里有很多动物,比如斑马、角马和羚羊。后文列举zebras斑马等动物,因此选animals动物,所以选D。
3. 句意:我正在观看它们迁徙的旅途。look at 观看;look up 查阅/抬头看;look after 照顾;look down 向下看。作者在观赏动物迁徙,选look at,选A。
4. 句意:角马和斑马正成群快速横渡,从肯尼亚保护区前往坦桑尼亚塞伦盖蒂公园。
sadly伤心地;quietly安静地;quickly快速地;comfortably舒适地。动物大规模迁徙行进速度快,quickly最合适。,选C。
5. 句意:场面壮观又令人激动,这大概是我一生中最棒的经历之一。hot炎热的;exciting令人激动的;noisy吵闹的;magic神奇的。壮观的动物迁徙是让人兴奋的景象,所以选B。
6. 句意:每年有超过两百万只斑马和角马往返迁徙于肯尼亚和坦桑尼亚之间。die死亡;hit撞击;show展示;move移动、迁徙。move体现动物长途迁徙,选D。
7. 句意:它们迁徙是为了追随雨水(寻找水源)。follow跟随;pollute污染;protect保护;appear出现。动物跟着降雨区域寻找水源和青草,follow the rain固定搭配,所以选A。
8. 句意:降雨的季节和气候变化决定雨水到来的时间。remind提醒;report报道;decide决定;understand理解。气候、季节决定下雨时间,decide符合逻辑,选C。
9. 句意:坦桑尼亚塞伦盖蒂国家公园的雨季在三、四、五月。weeks周;months月份;years年;hours小时。后文March, April, May是月份,选months,答案为B。
10. 句意:而在马赛马拉,8月到11月初我们会有更多机会观赏角马。problems麻烦;parties聚会;chances机会;benefits好处。have chances to do sth. 有机会做某事,所以选C。21世纪教育网(www.21cnjy.com)
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