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20页答案
一、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. I got a terrible
shock
(震惊)the other day.
2. If there is no first aid, she'll
bleed
(流血)to death!
3.
Check
(检查)the oil and water before setting off.
4. He takes three or four
pills
(药丸)a day.
5. Drinking too much coke can be
harmful
(有害)to children's teeth.
6. Yesterday a bus
hit
(碰撞)a big tree on the side of the road. Luckily, no one was hurt.

答案

一、1. shock 2. bleed 3. Check 4. pills 5. harmful 6. hit

解析

【解析】
1. 空格前有不定冠词a和形容词terrible,需填名词,“震惊”的英文名词形式为shock。
2. 助动词will后接动词原形,“流血”的英文动词原形为bleed。
3. 本句为祈使句,需用动词原形开头且首字母大写,“检查”的英文动词原形为Check。
4. 空格前有three or four,需填可数名词复数,“药丸”的英文复数形式为pills。
5. 固定短语be harmful to表示“对……有害”,故填harmful。
6. 根据时间状语Yesterday可知句子为一般过去时,“碰撞”的英文过去式为hit(与原形同形)。
【答案】
1. shock 2. bleed 3. Check 4. pills 5. harmful 6. hit
【知识点】
动词形式变化、名词单复数、固定短语搭配
【点评】
本题考查英语基础词汇在语境中的正确形式运用,涵盖了时态、词性转换、固定搭配等考点,要求学生掌握常见词汇的词性变化及相关语法规则,注重基础知识的积累。
【难度系数】
0.8
二、用所给单词的适当形式填空
1.
Harmful
(harm) is the opposite word of harmless.
2. The
pills
(pill) the doctor gave me aren't working.
3. Jack carefully
checked
(check) his test paper before handing in yesterday.
4. My finger
is bleeding
(bleed); please help me.

答案

二、1. Harmful 2. pills 3. checked 4. is bleeding

解析

【解析】
1. 第一空:根据“the opposite word of harmless”可知此处需要harmless的反义词,harm的形容词形式Harmful(有害的)符合要求,且句首单词首字母需大写。
2. 第二空:句中be动词为aren't,说明主语是复数形式,故填pill的复数pills。
3. 第三空:时间状语为yesterday,句子时态为一般过去时,check的过去式为checked。
4. 第四空:根据语境“请帮帮我”可知手指正在流血,句子用现在进行时,主语My finger是单数,故填is bleeding。
【答案】
二、1. Harmful 2. pills 3. checked 4. is bleeding
【知识点】
词性转换;动词时态;名词单复数
【点评】
本题考查英语基础语法与词汇变形,需结合语境、时间状语及主谓一致等规则判断单词形式,侧重对词汇变形和基本时态的掌握。
【难度系数】
0.7
三、用适当的单词填空(每空一词)
1. Everyone should avoid looking at his or her phone
while/when
crossing the road.
2. Do you know
what
to do if oil catches fire?
3. First, pour oil
into
a pan. Then add the vegetables.
4. Don't forget to turn
off
the lights before you leave the house.
5. The building is
on
fire; let's call 911.
6. It's difficult to put
out
the fire by yourself.
7. Nowadays, young people always eat
out
because it's convenient.

答案

三、1. while/when 2. what 3. into 4. off 5. on 6. out 7. out

解析

【解析】
1. 此处需填引导时间状语从句的连词,while/when都可表示“当……的时候”,契合“过马路时避免看手机”的语境。
2. 本句为“疑问词+不定式”结构,do后缺宾语,what表示“什么”,构成what to do,意为“做什么”,符合语境。
3. pour...into...是固定搭配,意为“把……倒进……”,符合“把油倒进平底锅”的操作语境。
4. turn off是固定短语,意为“关掉”,符合“离开家前关灯”的语境要求。
5. on fire是固定短语,意为“着火”,对应“建筑物着火”的语境。
6. put out是固定短语,意为“扑灭”,契合“独自灭火很难”的语境。
7. eat out是固定短语,意为“外出就餐”,符合“年轻人因方便经常外出就餐”的语境。
【答案】
1. while/when
2. what
3. into
4. off
5. on
6. out
7. out
【知识点】
固定短语搭配;疑问词+不定式;时间状语从句引导词
【点评】
本题紧密结合生活场景,考查英语固定短语、疑问词+不定式结构及时间状语从句引导词的基础用法,要求学生熟练掌握常见短语与基础语法,注重日常积累与语境运用能力。
【难度系数】
0.7
四、将方框中所给词语的适当形式填入短文中,每词仅用一次
quick, injure, you, happen, on fire
I'm Mr Smith. I'm talking about some safety rules to you. It is very important for you to keep safe at school.
Firstly, in your PE lesson, you may get 1. ______ . When you do all kinds of sports on the playground, you should be careful all the time and do what your teacher tells you to do. You should spend a few minutes doing warm-up activities at the beginning of each PE lesson. Don't forget to drink some water after your sports. It's good for your health.
Secondly, let's talk about classroom safety. I warn you not to take sharp objects—things like knives, scissors—to school. They may hurt you or 2.
classmates when you are using them in your classroom.
Thirdly, when something dangerous 3.
, please keep calm and follow the instructions of teachers. Don't run or you'll step on others. If there is something 4.
at school, move near the floor with a wet towel over your mouth and walk on the right side to get out of the building 5.
. Don't use the lift in a fire.
Above all, it is very important that you must keep some safety rules in your minds and practise them with the help of your teachers as often as possible.

答案

四、1. injured 2. your 3. happens 4. on fire 5. quickly

解析

【解析】
1. 第1空:get是系动词,后接形容词作表语,injure的形容词形式是injured,get injured为固定表达,意为“受伤”,符合PE课可能受伤的语境。
2. 第2空:此处修饰名词classmates,需用形容词性物主代词,you的形容词性物主代词是your,意为“你的”,符合语境。
3. 第3空:something dangerous作主语,谓语动词用第三人称单数形式,happen的第三人称单数是happens,意为“发生”,符合“当危险事情发生时”的语境及语法要求。
4. 第4空:something on fire为固定搭配,意为“着火的东西”,符合“学校有东西着火”的语境。
5. 第5空:此处需用副词修饰动词短语get out,quick的副词形式是quickly,意为“快速地”,符合“快速离开大楼”的语境。
【答案】
1. injured 2. your 3. happens 4. on fire 5. quickly
【知识点】
固定短语搭配,词性转换,主谓一致
【点评】
本题结合校园安全语境,考查学生对词汇形式转换、固定短语及基础语法的掌握,要求学生在理解语境的基础上灵活运用词汇,有助于提升学生的语言运用能力。
【难度系数】
0.6