2026年精彩练习就练这一本八年级英语下册人教版评议教辅第38页答案
一、写出下列形容词或副词的比较级和最高级形式
1. deep—
deeper
deepest

2. long—
longer
longest

3. big—
bigger
biggest

4. low—
lower
lowest

5. large—
larger
largest

6. far—
farther/further
farthest/furthest

7. important—
more important
most important

答案

1. deeper, deepest 2. longer, longest
3. bigger, biggest 4. lower, lowest
5. larger, largest 6. farther/further, farthest/furthest 7. more important, most important

解析

【解析】
1. deep是单音节形容词,比较级直接加-er,最高级直接加-est,即deeper,deepest;
2. long是单音节形容词,比较级直接加-er,最高级直接加-est,即longer,longest;
3. big是重读闭音节结尾的形容词,双写末尾辅音字母g,再加-er和-est,即bigger,biggest;
4. low是单音节形容词,比较级直接加-er,最高级直接加-est,即lower,lowest;
5. large是以不发音的字母e结尾的形容词,比较级加-r,最高级加-st,即larger,largest;
6. far是不规则变化的形容词/副词,比较级为farther/further,最高级为farthest/furthest;
7. important是多音节形容词,比较级加more,最高级加most,即more important,most important。
【答案】
1. deeper;deepest
2. longer;longest
3. bigger;biggest
4. lower;lowest
5. larger;largest
6. farther/further;farthest/furthest
7. more important;most important
【知识点】
1. 形容词/副词比较级变化规则
2. 形容词/副词最高级变化规则
3. 不规则变化词汇
【点评】
本题考查常见形容词和副词的比较级与最高级形式,涵盖了规则变化(单音节词、重读闭音节词、以不发音e结尾词、多音节词)和不规则变化的情况,是英语基础语法的核心考点之一,需熟练掌握各类变化规则。
【难度系数】
0.8
二、根据括号内所给汉语注释写出单词的正确形式(每空一词)
1. The Great Wall is a great
wonder
(奇观)of the world.
2. The
surface
(表面)of the lake looks very smooth in the morning.
3. The temperature today is
below
(在……下面)10℃.
4. The new bridge is over three
kilometres
(千米)long.
5. The mountain is 1,000 metres above sea
level
(水平).

答案

1. wonder 2. surface 3. below 4. kilometres
5. level

解析

【解析】
1. “奇观”对应的英文单词是wonder,前面有不定冠词a,所以用单数形式wonder。
2. “表面”对应的英文单词是surface,此处特指湖面的表面,用单数形式surface。
3. 表示温度“在……下面(低于)”用介词below。
4. “千米”对应的英文单词是kilometre,前面有基数词three,所以用复数形式kilometres。
5. sea level是固定短语,意为“海平面”,所以填level。
【答案】
1. wonder 2. surface 3. below 4. kilometres 5. level
【知识点】
名词单复数变化、介词用法、固定短语搭配
【点评】
本题考查基础英语词汇的拼写与语境运用,涵盖名词单复数变形、介词辨析及固定短语,旨在检测学生对常用词汇的掌握程度,题目注重基础,贴近日常学习内容。
【难度系数】
0.8
三、用所给单词的适当形式填空
1. The
measurement
(measure)of this room is 5 metres long.
2. The old tree in our schoolyard is about 15
metres
(metre)tall, and many birds build nests in it.
3. My brother has the
biggest
(big)room in our house, with a big desk and many books.
4. Mount Qomolangma is the
highest
(high)mountain in the world, and many climbers want to reach its top.
5. The lake in the park is the
deepest
(deep)one I've ever seen, and we can't swim in it.
6. The temperature in winter here is the
lowest
(low)in December, sometimes below zero.
7. The Nile River is the
longest
(long)river in the world, and it runs through many countries in Africa.

答案

1. measurement 2. metres 3. biggest
4. highest 5. deepest 6. lowest 7. longest

解析

【解析】
1. 定冠词the后需接名词,measure的名词形式是measurement,意为“尺寸”,故填measurement。
2. 数词15大于1,后面的可数名词metre要用复数形式metres。
3. 根据“in our house”的范围限定,此处要用形容词big的最高级biggest,表示“最大的”。
4. 由“in the world”的范围可知,此处用high的最高级highest,表示“最高的”。
5. 结合“I've ever seen”的范围,此处用deep的最高级deepest,表示“最深的”。
6. 根据语境及范围暗示,此处用low的最高级lowest,表示“最低的”。
7. 由“in the world”的范围限定,此处用long的最高级longest,表示“最长的”。
【答案】
1. measurement 2. metres 3. biggest
4. highest 5. deepest 6. lowest 7. longest
【知识点】
名词形式转换、名词复数变化、形容词最高级用法
【点评】
本题主要考查词性转换和形容词最高级的运用,需结合语境中的范围提示词判断词汇形式,重点考查学生对词汇变形规则的掌握,是基础语法运用类题目。
【难度系数】
0.8
四、阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式
National parks give a safe home to local plants and animals. They help keep the air 1.
and
water clean. They also give us the 2.
best
(good)trips. Today, there are many national parks around the world. Forbes has listed 12 of the most beautiful ones in 3.
the
world that will surprise you with their 4.
amazing
(amaze)landscapes, geographic wonders and colourful plants and animals.
The Grand Canyon(大峡谷)National Park of the US is one of the Seven Natural 5.
Wonders
(wonder)of the World. It is famous 6.
for
its size and depth. The immensity of the canyon 7.
makes
(make)people 8.
surprised
(surprise). Every year, about 5 million people visit here. The South Rim offers the 9.
park's
(park)full views(景色), while the North Rim 10.
shows
(show)a picture of beautiful wild flowers.

答案

1. and 2. best 3. the 4. amazing
5. Wonders 6. for 7. makes 8. surprised
9. park's 10. shows

解析

【解析】
1. 空处前后air和water为并列关系,用并列连词and连接。
2. 定冠词the后接形容词最高级,good的最高级是best,此处表示“给我们最好的旅行”。
3. 固定搭配in the world,意为“在世界上”,故填the。
4. 修饰名词landscapes,用形容词amazing(修饰事物,意为“令人惊叹的”)。
5. “Seven Natural Wonders of the World”是固定表达,意为“世界七大自然奇观”,故填复数形式Wonders。
6. 固定搭配be famous for,意为“因……而著名”,故填for。
7. 主语The immensity是不可数名词,句子为一般现在时,谓语动词用第三人称单数形式makes。
8. 修饰people,用形容词surprised(修饰人,意为“感到惊讶的”)。
9. 此处表示“公园的全景”,用名词所有格park's作定语。
10. 主语the North Rim是第三人称单数,句子为一般现在时,谓语动词用第三人称单数形式shows。
【答案】
1. and 2. best 3. the 4. amazing
5. Wonders 6. for 7. makes 8. surprised
9. park's 10. shows
【知识点】
固定搭配运用、形容词形式辨析、主谓一致
【点评】
本文围绕国家公园展开,考查了连词、形容词、冠词、名词所有格、动词等多种语法点,重点考查固定搭配、形容词-ed与-ing形式的区别及主谓一致等内容,要求学生结合语境和语法规则灵活作答,对综合语言运用能力有一定考查。
【难度系数】
0.6