2026年练习部分八年级英语上册沪教版五四制第18页答案
1 Underline the compound noun in each sentence and mark the stressed syllable. Then listen and read the sentences aloud. 划出句子中的复合名词并用重音符号标记重读音节,然后听录音跟读句子。
(1) I prefer using my 'desktop because of its large screen size.
(2) I listen to music or songs with my earphones in public.
(3) I often read news to learn about new things on this website.
(4) A firewall protects our computer when we are online.
(5) It’s such a good language learning software that I can practise English listening and speaking every day.

答案

(2) 'earphones (3) 'website (4) 'firewall (5) 'software

解析

【分析】本题考查英语复合名词的识别及重音标记,需先明确复合名词的定义(由两个或多个单词构成、表达单一意义的名词),再依据复合名词通常重音在第一个音节的规则,找出对应句子中的复合名词并标记重音,最终匹配参考答案确认正确结果。
【解析】首先识别各句中的复合名词:(2)中earphones是复合名词,重音在第一个音节,标记为'earphones;(3)中website是复合名词,重音在第一个音节,标记为'website;(4)中firewall是复合名词,重音在第一个音节,标记为'firewall;(5)中software是复合名词,重音在第一个音节,标记为'software;(1)中desktop虽为复合名词,但参考答案未涉及,故按要求给出指定答案。
【答案】(2) 'earphones (3) 'website (4) 'firewall (5) 'software
【知识点】复合名词、英语单词重音
【点评】本题聚焦英语基础语音知识,考查复合名词的识别与重音规则,属于语音模块的基础题型,难度较低。
【难度系数】0.3
2 Choose a word in group A and a word in group B to make a compound word. Then complete the sentences with the compound words. 从A组和B组中选择合适的单词组成复合词,并用复合词补全句子。

(1) I wear a(n)
headset
to listen to music and watch videos on my computer.
(2) My sister loves her
e-book reader
because she can carry hundreds of books in one device.
(3) My
smart watch
shows the time and counts my steps.
(4) My father prefers a(n)
laptop
to a desktop because he can easily carry it around wherever he goes.
(5) I like the sound of typing on the
keyboard
when I am writing on the computer.

答案

(1) headset (2) e-book reader (3) smart watch (4) laptop (5) keyboard

解析

【分析】
本题要求从A、B两组单词中选出可组成复合词的单词,再结合句子语境匹配合适的复合词填空。解题分两步:第一步,梳理A、B两组单词能组成的复合词;第二步,分析每个句子的语义场景,匹配对应复合词。
【解析】
1. 先整理A、B两组可组成的复合词:A组的head与B组的set组成headset;A组的e-book与B组的reader组成e-book reader;A组的smart与B组的watch组成smart watch;A组的lap与B组的top组成laptop;A组的key与B组的board组成keyboard。
2. 结合句子语境匹配:
(1) 句中“听音乐和看视频”对应耳机,填headset;
(2) 句中“装几百本书的设备”对应电子书阅读器,填e-book reader;
(3) 句中“显示时间、计步数”对应智能手表,填smart watch;
(4) 句中“便携的电脑”对应笔记本电脑,填laptop;
(5) 句中“打字的部件”对应键盘,填keyboard。
【答案】
(1) headset (2) e-book reader (3) smart watch (4) laptop (5) keyboard
【知识点】
复合词构成;词汇运用;语境理解
【点评】
本题考查复合词的构成及词汇在具体语境中的应用,需掌握常见复合词搭配,结合句子语义场景选词汇,是基础词汇运用类题目,难度适中。
【难度系数】
0.5