2026年精准学与练八年级英语下册人教版第28页答案
一、选词填空
1. All
living
(living/dead) things need water and sunlight to grow.
2. She has a(n)
unusual
(common/unusual ) hobby—collecting stamps from different countries. Few people do it.
3. It's
risky
(safe/risky) to swim alone in the river.
4. Guangzhou is a large city in
southern
( northern/southern ) China.

答案

1. living 2. unusual 3. risky 4. southern

解析

【分析】
做这类选词填空,需先理解句子语境,再辨析括号内形容词的词义,结合常识或句子提示选择合适词汇:第1题根据“生长需要水和阳光”判断是活的事物;第2题由“很少人做”推出爱好不普通;第3题结合常识判断独自下河游泳的属性;第4题依据地理常识确定广州的方位。
【解析】
1. 句意为“所有______的生物生长需要水和阳光”,living意为“活的”,dead意为“死的”,根据常识,活的生物生长需要水和阳光,故填living。
2. 句意为“她有一个______的爱好——收集不同国家的邮票,很少人做”,common意为“普通的”,unusual意为“不寻常的”,由“很少人做”可知爱好不普通,故填unusual。
3. 句意为“独自在河里游泳是______的”,safe意为“安全的”,risky意为“危险的”,根据常识,独自下河游泳是危险的,故填risky。
4. 句意为“广州是中国______的一个大城市”,northern意为“北方的”,southern意为“南方的”,根据地理常识,广州位于中国南方,故填southern。
【答案】
1. living 2. unusual 3. risky 4. southern
【知识点】
形容词词义辨析、语境理解、选词填空
【点评】
本题为基础选词填空题,考查核心形容词的词义辨析与语境运用,结合常识即可轻松解答,侧重基础词汇的巩固。
【难度系数】
0.8
二、用方框中所给词语的适当形式填空,每词仅用一次
deep located attract
square kilometre surface
Of all the lakes in China, Qinghai Lake is a wonderful example. It is 1
located
in Qinghai Province, on the 2
surface
of the Qinghai-Tibet Plateau. With an area of over 4,000 3
square kilometres
, it is the largest lake in China.
Its beautiful blue water and the surrounding grasslands 4
attract
many tourists and different kinds of birds every year. However, the lake is not only wide but also very deep. Its great 5
depth
helps to store a huge amount of water.

答案

1. located 2. surface 3. square kilometres
4. attract 5. depth

解析

【分析】
本题为英语选词填空题,解题思路如下:①先明确方框内词汇的含义与形式:deep(深的,形容词)、located(位于,过去分词,常用be located in结构)、attract(吸引,动词)、square(平方的,形容词)、kilometre(千米,名词)、surface(表面,名词);②逐个分析空格的语境与语法要求:第1空需表达“位于”,对应固定搭配be located in;第2空需搭配on the...of结构,表“在……表面”;第3空需填面积单位,4000后接可数名词复数;第4空需谓语动词,主语为复数,用原形;第5空需名词,形容词great后接名词,对应deep的名词形式;③结合每词仅用一次的要求,确定答案。
【解析】
1. 固定搭配be located in表示“位于”,符合“青海湖位于青海省”的语境,故填located;
2. 固定短语on the surface of意为“在……的表面”,符合“在青藏高原表面”的语境,故填surface;
3. 面积表达“平方千米”为square kilometre,4000后需用名词复数,故填square kilometres;
4. 主语为“蓝色的湖水和周边的草原”(复数),句子为一般现在时,谓语动词用原形attract,表“吸引”,故填attract;
5. 形容词great后需接名词,deep的名词形式为depth,表“深度”,符合“巨大的深度有助于储水”的语境,故填depth;
【答案】
1. located 2. surface 3. square kilometres 4. attract 5. depth
【知识点】
固定搭配、名词复数、词性转换
【点评】
本题为初中英语基础选词填空题,侧重考查词汇的固定搭配、适当形式变化,需结合语境和语法规则选择词汇并变形,难度适中,是巩固词汇运用的典型题型。
【难度系数】
0.5
三、单词拼写
根据短文内容和所给中文提示,在空白处写出单词的正确形式,每空限填一词。
Poyang Lake in Jiangxi Province is China's largest 1
freshwater
(淡水) lake. This natural wonder is home to many 2
types/kinds
(种类) of birds and fish, including the endangered Siberian crane(西伯利亚白鹤). Every year, countless 3
travellers/tourists
(旅行者) and scientists visit the lake, 4
curious
(好奇) about its unique ecosystem and the lives it supports.
A team of scientists was 5
determined
(有决心) to understand the lake's changes. They carefully studied the water quality and 6
measured
(测量) how much water the lake holds—about 25 billion 7
cubic
(立方) metres at its deepest. To protect this important habitat, the government has 8
successfully
(成功) taken important measures. These include limiting fishing and controlling pollution. While completely saving the lake involves some 9
risks
(冒险) and challenges, these actions significantly reduce the threats to its future.
Thanks to these efforts, Poyang Lake remains a beautiful and important home for wildlife. It shows us that with care and 10
research
(研究), we can protect our nature for the future.

答案

1. freshwater 2. types/kinds 3. travellers/tourists
4. curious 5. determined 6. measured 7. cubic
8. successfully 9. risks 10. research

解析

【分析】
本题为根据短文内容及中文提示完成单词拼写的题目,解题思路如下:首先分析每个空缺处的句子结构,判断所需单词的词性;再结合中文提示写出对应英文单词,同时注意单词的正确形式(如名词复数、动词时态、副词形式等),确保符合语法规则和语境要求。
【解析】
1. 空格处修饰名词lake,需用形容词,中文提示“淡水”对应freshwater,故填freshwater。
2. 空格前有many,需填可数名词复数,中文提示“种类”对应type/kind,复数形式为types/kinds,故填types/kinds。
3. 空格前有countless,需填可数名词复数,中文提示“旅行者”对应traveller/tourist,复数形式为travellers/tourists,故填travellers/tourists。
4. 空格处作状语描述主语状态,需用形容词,中文提示“好奇”对应curious,故填curious。
5. 固定搭配be determined to do sth表示“决心做某事”,中文提示“有决心”对应determined,故填determined。
6. 空格处与studied并列,需用动词过去式,中文提示“测量”对应measure,过去式为measured,故填measured。
7. 空格处修饰名词metres,需用形容词,中文提示“立方”对应cubic,故填cubic。
8. 空格处修饰动词taken,需用副词,中文提示“成功”对应success,副词形式为successfully,故填successfully。
9. 空格前有some,需填可数名词复数,中文提示“冒险”对应risk,复数形式为risks,故填risks。
10. 空格处与care并列,需填不可数名词,中文提示“研究”对应research,故填research。
【答案】
1. freshwater 2. types/kinds 3. travellers/tourists 4. curious 5. determined 6. measured 7. cubic 8. successfully 9. risks 10. research
【知识点】
单词拼写、词性转换、固定搭配
【点评】
本题考查根据中文提示在语境中正确拼写单词,涉及基础词汇运用、词性变化及固定搭配,难度适中,侧重考查学生的词汇运用能力。
【难度系数】
0.8