2026年同步解析与测评学考练八年级英语下册人教版精练版第20页答案
一、根据句意及提示填写单词
1. After cooking, remember to turn off the g___ to prevent accidents.
2. The baby has a r___ nose, so his mum needs to wipe it gently.
3. His continuous c___ kept everyone awake at night.
4. Can you give a clear d___ of the person you saw at the gate?
5. The doctor said the illness was caused by a v___.

答案

1. gas 2. runny 3. cough 4. description 5. virus

解析

【分析】做此类根据句意及首字母填单词的题目,需先通读每个句子理解语境,再结合首字母提示,匹配符合句意的正确单词,同时注意单词的词性和拼写准确性。
【解析】1. 句意:做饭后,记得关掉______以防事故。结合首字母g,此处应填表示“煤气”的名词gas;2. 句意:宝宝有一个______鼻子,所以妈妈需要轻轻擦。结合首字母r,此处应填表示“流鼻涕的”形容词runny;3. 句意:他持续的______让大家晚上睡不着。结合首字母c,此处应填表示“咳嗽”的名词cough;4. 句意:你能清晰______你在门口看到的人吗?结合首字母d,此处应填表示“描述”的名词description;5. 句意:医生说这种疾病是由______引起的。结合首字母v,此处应填表示“病毒”的名词virus。
【答案】1. gas 2. runny 3. cough 4. description 5. virus
【知识点】词汇运用、根据句意填单词、核心词汇识记
【点评】本题为基础词汇考查题,聚焦初中英语核心词汇的语境运用,难度较低,只要学生掌握相关单词的词义和基本语境即可轻松作答。
【难度系数】0.8
二、根据汉语提示完成句子
1. 父母应阻止孩子看太长时间的电视。
Parents ___ ___ ___ ___ too much TV.
2. 答应我,我不在时你会好好照顾这只小狗。
Promise me you'll ___ ___ ___ the puppy while I'm away.
3. 开车时避免用手机以确保安全。
___ ___ ___ while driving to ensure safety.
4. 她试图修理破损的架子时弄伤了自己。
She ___ ___ while trying to fix the broken shelf.
5. 这个项目的未来现在掌握在你手中。
The future of this project is now ___ ___ ___.

答案

1. should stop children from watching 2. take good
care of 3. Avoid using your phone 4. hurt herself
5. in your hands

解析

【分析】
本题为根据汉语提示完成句子,考查英语常用固定短语、句式的运用。解题时需结合汉语意思匹配对应英语固定搭配,同时注意句子语法结构:如情态动词后接动词原形、祈使句用动词原形开头、反身代词与主语一致等。具体思路:1. 对应“应阻止孩子看”,用固定搭配stop sb from doing sth;2. “好好照顾”对应take good care of;3. “避免用手机”对应avoid doing sth,祈使句需用动词原形开头;4. “弄伤自己”对应hurt oneself,反身代词随主语变化;5. “在某人手中”对应in one's hands。
【解析】
1. “应阻止某人做某事”的固定表达为should stop sb from doing sth,“孩子”是children,“看电视”是watch TV,故填should stop children from watching;
2. “好好照顾”的固定短语是take good care of,will后接动词原形,故填take good care of;
3. “避免做某事”是avoid doing sth,“用手机”是use your phone,此处为祈使句,用动词原形开头,故填Avoid using your phone;
4. “弄伤自己”是hurt oneself,主语是she,反身代词为herself,语境用一般过去时,hurt过去式不变,故填hurt herself;
5. “在某人手中”的固定介词短语是in one's hands,此处“你的”是your,故填in your hands。
【答案】
1. should stop children from watching 2. take good care of 3. Avoid using your phone 4. hurt herself 5. in your hands
【知识点】
固定短语、祈使句、反身代词
【点评】
本题考查初中英语核心基础固定搭配与句式,属于基础题型,要求学生熟练积累常用动词、介词短语,只要平时掌握到位即可轻松完成,是巩固英语基础的典型练习。
【难度系数】
0.7
三、补全对话
根据对话内容,选出能填入空白处的最佳选项。其中有一项为多余选项。
A. Do you have a fever?
B. I’m not feeling well.
C. But you’d better go to see a doctor.
D. How long have you been like this?
E. Will you please go with me?
F. Maybe you’ve just had a cold.
A: Hi, Kate, you look terrible. What's the matter?
B: 1. ___ I've got a headache, a runny nose and a sore throat.
A: 2. ___
B: No, I don't. I took my temperature just now.
A: Don't worry. A fever is a common symptom(症状) of the disease. 3. ___
B: I hope so.
A: 4. ___ You can go and get some medicine.
B: That's a good idea. 5. ___
A: Sure. Let's go.

答案

1.B 2.A 3.F 4.C 5.E

解析

【分析】
补全对话需结合上下文语境与问答逻辑,先通读对话把握核心:A关心B的身体状况,B自述不适。第1空,A问“What's the matter?”,B需回应自身状态,故选B;第2空,下文B以“No, I don't”回答,对应一般疑问句,结合语境是问是否发烧,故选A;第3空,A提及发烧是常见症状,需进一步推测病因,故选F;第4空,下文提到“get some medicine”,此处应是建议就医,故选C;第5空,B认可建议后,请求A陪同,A答应,故选E。
【解析】
1. 上文A询问身体状况,下文B说明头痛、流鼻涕等不适,故填B(I’m not feeling well.);
2. 下文B用“No, I don't”回答,对应一般疑问句,结合语境问是否发烧,故填A(Do you have a fever?);
3. A安抚B后,推测病因,结合选项选F(Maybe you’ve just had a cold.);
4. 下文提到“get some medicine”,此处应是建议就医,故填C(But you’d better go to see a doctor.);
5. B认可建议后,请求A陪同,A答应,故填E(Will you please go with me?)。
【答案】
1.B 2.A 3.F 4.C 5.E
【知识点】
补全对话、情景交际
【点评】
本题围绕日常健康话题展开,属于基础情景交际类补全对话,需结合上下文问答逻辑选择,难度较低,适合巩固日常话题的英语表达。
【难度系数】
0.8