2026年作业本浙江教育出版社八年级英语上册人教版第21页答案
Ⅳ. Use the words in brackets to write superlatives. Then choose the correct answer to complete each fact on the quiz.
General Knowledge Quiz
1. The
redwood tree
is the tallest tree (tall / tree) on earth.
A. ginkgo tree B. redwood tree C. bamboo
2. The
moss
is
the oldest plant
(old / plant) in the world.
A. moss B. rose C. tea
3. The
penguin
lives in
the coldest place
(cold / place) on earth.
A. shark B. cat C. penguin
4. The
blue whale
is
the heaviest animal
(heavy / animal) in the world.
A. elephant B. blue whale C. giraffe
5. The
cheetah
is
the fastest runner
(fast / runner) of all land animals.
A. cheetah B. lion C. tiger
6. The
bee
makes
the sweetest honey
(sweet / honey) from flowers in nature.
A. bear B. bird C. bee

答案

1. B 2. A, the oldest plant 3. C, the coldest place 4. B, the heaviest animal 5. A, the fastest runner 6. C, the sweetest honey

解析

【分析】
本题要求先根据括号内词汇写出正确的形容词最高级结构,再结合常识选择对应选项完成事实表述。解题时需先回忆单音节形容词最高级的构成规则(单音节形容词最高级为“the + 形容词-est”),再结合各小题的常识判断正确选项,同时匹配括号内词汇的最高级形式。
【解析】
1. 括号内词汇为tall(形容词)和tree(名词),其最高级结构为the tallest tree;结合常识,地球上最高的树是红杉,对应选项B。
2. 括号内词汇为old(形容词)和plant(名词),最高级结构为the oldest plant;世界上最古老的植物是苔藓,对应选项A。
3. 括号内词汇为cold(形容词)和place(名词),最高级结构为the coldest place;企鹅是生活在地球上最冷地方的动物,对应选项C。
4. 括号内词汇为heavy(形容词)和animal(名词),最高级结构为the heaviest animal;世界上最重的动物是蓝鲸,对应选项B。
5. 括号内词汇为fast(形容词)和runner(名词),最高级结构为the fastest runner;猎豹是陆地奔跑速度最快的动物,对应选项A。
6. 括号内词汇为sweet(形容词)和honey(名词),最高级结构为the sweetest honey;蜜蜂能从花中酿出蜂蜜,对应选项C。
【答案】
1. B 2. A, the oldest plant 3. C, the coldest place 4. B, the heaviest animal 5. A, the fastest runner 6. C, the sweetest honey
【知识点】
形容词最高级、英语常识应用
【点评】
本题将语法(形容词最高级)与基础常识结合,考查学生对最高级结构的掌握及日常常识积累,题型基础,适合巩固相关知识点。
【难度系数】
0.5
Ⅴ. List two more facts about plants and animals with superlative adjectives or adverbs.
Model: The elephant is the heaviest animal on land.
1.
The giraffe is the tallest animal on earth.

2.
The bamboo is one of the fastest-growing plants on earth.

答案

One possible version:
1. The giraffe is the tallest animal on earth.
2. The bamboo is one of the fastest-growing plants on earth.

解析

【分析】
首先明确题目要求:用最高级形容词或副词写两个关于动植物的事实,参考例句结构为“主语+be+the+最高级+名词+范围”。解题时需先回忆常见动植物的典型特征,再选用对应的最高级形式,注意最高级前加the,范围状语搭配合理,确保句子符合语法和常识。
【解析】
1. 选取长颈鹿,其典型特征是身高最高,用形容词最高级tallest,范围用on earth,组成句子“The giraffe is the tallest animal on earth.”;
2. 选取竹子,其典型特征是生长速度最快,用副词最高级fastest,范围用on earth,组成句子“The bamboo is one of the fastest-growing plants on earth.”。
【答案】
1. The giraffe is the tallest animal on earth.
2. The bamboo is one of the fastest-growing plants on earth.
【知识点】
形容词最高级;动植物常识
【点评】
本题结合生活常识考查形容词最高级的运用,要求学生掌握最高级的基本结构,同时了解常见动植物的特点,难度不大,注重基础知识点的应用。
【难度系数】
0.6
Ⅵ. Use the facts from Exercise IV and test your classmates.
Model:
A: What’s the tallest tree on earth?
B: Is it the ginkgo tree?
A: No, it isn’t.
B: Is it the redwood tree?
A: Yes, it is! / That’s right. / ...
B: Which animal runs the fastest?
A: ...

答案

参考示例:
A: Is it the lion?
B: No, it isn't.
A: Is it the cheetah?
B: Yes, it is! That's right.

解析

【分析】本题要求仿照给定的对话模型,结合练习IV的事实构造询问类英语对话。解题思路为:先确定核心问题(如“哪种动物跑得最快”),再按照示例的问答逻辑(A先猜测某事物→B否定→A再猜测→B肯定)完成对话,需结合对应事实(猎豹是跑得最快的动物)。
【解析】根据题目要求,结合示例的对话结构,选取“哪种动物跑得最快”的问题,结合猎豹是跑得最快的动物这一事实,构造对话如下:
A: Is it the lion?
B: No, it isn't.
A: Is it the cheetah?
B: Yes, it is! That's right.
【答案】A: Is it the lion?
B: No, it isn't.
A: Is it the cheetah?
B: Yes, it is! That's right.
【知识点】英语情景对话、日常交际用语
【点评】本题为情景对话仿写题,考查学生对日常询问类对话结构的掌握,以及结合事实运用英语交际的能力,难度适中。
【难度系数】0.6