2026年长江作业本同步练习册八年级英语上册人教版第87页答案
一 选出画线部分发音不同的选项
(
D
)1. A. nod B. note C. noon D. ink
(
C
)2. A. song B. ring C. English D. listening
(
A
)3. A. machine B. cheap C. cheese D. watch
(
D
)4. A. engingineer B. maggic C. page D. egg

答案

1.D 2.C 3.A 4.D

解析

【分析】本题为英语单词划线部分发音辨析题,需逐一对比每个选项划线部分的发音,找出发音不同的选项。分别针对字母n、g,字母组合ch的发音进行判断,通过准确读出单词发音即可得出答案。
【解析】
1. 选项A.nod /nɒd/中划线n发/n/;B.note /nəʊt/中划线n发/n/;C.noon /nuːn/中划线n发/n/;D.ink /ɪŋk/中划线n发/ŋ/,发音不同的是D,故选D。
2. 选项A.song /sɒŋ/中划线g发/ŋ/;B.ring /rɪŋ/中划线g发/ŋ/;C.English /ˈɪŋɡlɪʃ/中划线g发/g/;D.listening /ˈlɪsnɪŋ/中划线g发/ŋ/,发音不同的是C,故选C。
3. 选项A.machine /məˈʃiːn/中划线ch发/ʃ/;B.cheap /tʃiːp/中划线ch发/tʃ/;C.cheese /tʃiːz/中划线ch发/tʃ/;D.watch /wɒtʃ/中划线ch发/tʃ/,发音不同的是A,故选A。
4. 选项A.engineer /ˌendʒɪˈnɪə(r)/中划线g发/dʒ/;B.magic /ˈmædʒɪk/中划线g发/dʒ/;C.page /peɪdʒ/中划线g发/dʒ/;D.egg /eɡ/中划线g发/g/,发音不同的是D,故选D。
【答案】1.D 2.C 3.A 4.D
【知识点】英语单词辅音发音辨析
【点评】本题考查英语常见辅音字母及字母组合的基础发音,要求学生掌握核心单词的读音,难度适中,属于语音知识基础题。
【难度系数】0.5
二 根据句意及汉语提示完成句子
5. Be
positive
(乐观的), and you will feel better.
6. The weather today is
worse
(更糟的)than yesterday.
7. A new sci-fi film came out. Mike
booked
(预定)a ticket online yesterday.

答案

5. positive 6. worse 7. booked

解析

【分析】本题为根据汉语提示完成句子,需结合句子结构、语法规则(如词性、时态、比较级)确定正确单词形式。先判断每空所需词性/形式,再匹配对应汉语提示的英文表达。
【解析】5. 句中be动词后需接形容词作表语,“乐观的”对应形容词positive,故填positive;6. 句中出现比较级标志词than,需用形容词比较级,“更糟的”是bad的比较级worse,故填worse;7. 时间状语yesterday表明句子为一般过去时,“预定”的动词是book,过去式为booked,故填booked。
【答案】5. positive 6. worse 7. booked
【知识点】形容词、形容词比较级、动词过去式
【点评】本题考查基础词汇及语法应用,涉及形容词作表语、比较级、动词过去式的用法,难度适中,需掌握核心词汇和基础语法规则。
【难度系数】0.6
阅读理解
Smartwatches are small machines that look like watches but can do many things. They are very helpful for students and busy people.
First, smartwatches show the time. You don't need to use your phone—just look at your wrist(手腕)! But they can do more. Many smartwatches can count your steps, check how long you sleep, and even see how fast your heart beats. This helps us know more about our health situation.
Smartwatches can also get messages. When your mum sends a text or your friend calls, the watch will shake or show a note. This way, you won't miss important things, but you don't need to always look at your phone.
For people who like sports, smartwatches have special "sports modes(模式)". They can record how far you run, how fast you ride a bike, or how long you swim. Some even tell you when to take a rest or exercise more.
Most smartwatches are also waterproof, so you can wear them when washing hands or in the rain. They are easy to use and come in many colors and styles. Students and sports lovers can both use smartwatches to help them!
(
A
) 1. Which of the following can a smartwatch do according to Paragraph 2?
①Count steps ②Show the time ③Take photos ④Check your heartbeat ⑤Call friends
A. ①②④ B. ②③⑤ C. ①③④ D. ②④⑤
(
D
) 2. How does a smartwatch tell you about messages?
A. It makes a loud sound. B. It changes color.
C. It writes on the screen. D. It shakes or shows a note.
(
D
) 3. What is the use of "sports modes" on smartwatches?
A. To play games. B. To find your phone.
C. To listen to music. D. To record sports activities.
(
A
) 4. The underlined word waterproof probably means
in Chinese.
A. 防水的 B. 渗水的 C. 吸水的 D. 怕水的
(
C
) 5. What is the main idea of the article?
A. How to buy a smartwatch.
B. How to use a smartwatch.
C. What smartwatches can do for us.
D. The history of smartwatches.

答案

1.A 2.D 3.D 4.A 5.C

解析

【分析】做此类阅读理解题,需先明确题型:细节理解题、词义猜测题、主旨大意题。解题思路为:1. 细节题:带着问题回原文定位对应段落,找原文原句匹配选项;2. 词义猜测题:结合上下文语境(如后文举例)推断词义;3. 主旨题:梳理各段大意,提炼核心内容。
【解析】1. 第1题:定位原文第二段,提到智能手表的功能有显示时间(②)、计步(①)、监测心跳(④),未提及拍照、打电话,对应选项A;2. 第2题:定位原文第三段,明确说明智能手表告知消息的方式是“shake or show a note”,对应选项D;3. 第3题:定位原文第四段,指出“sports modes”的作用是记录跑步距离、骑行速度、游泳时长等运动数据,对应选项D;4. 第4题:结合后文“可在洗手、下雨时佩戴”的举例,推断“waterproof”意为“防水的”,对应选项A;5. 第5题:梳理全文,各段分别介绍智能手表的时间显示、健康监测、消息提醒、运动模式、防水等功能,核心是说明智能手表能为我们做什么,对应选项C。
【答案】1.A 2.D 3.D 4.A 5.C
【知识点】阅读理解细节题、词义猜测题、主旨大意题
【点评】本题围绕智能手表展开,涵盖多种阅读理解基础题型,侧重考查学生的信息定位与语篇理解能力,难度适中,适合巩固阅读解题方法。
【难度系数】0.7