2026年课时特训八年级英语上册外研版第141页答案
Ⅰ. Match the words on the left with their English explanations on the right.
(
E
)1. citizen
(
F
)2. private
(
B
)3. careless
(
A
)4. aware
(
C
)5. stranger
(
G
)6. cheat
(
H
)7. enemy
(
D
)8. click
A. knowing about something
B. not be careful
C. a person you don't know at all
D. press a button (like on a mouse or screen) to do something on a computer or phone
E. a person who belongs to a country
F. not for everyone; only for one person or a small group
G. to do something wrong to win
H. a person who is not your friend and wants to fight you

答案

1. E 2. F 3. B 4. A 5. C 6. G 7. H 8. D

解析

【分析】这是一道英语单词与释义匹配题,解题思路是先明确左侧每个单词的核心词义,再逐一匹配右侧对应的英文释义,确保词义对应准确。比如先回忆citizen(公民)、private(私人的)等单词的意思,再对应右侧选项的描述,完成匹配。
【解析】1. citizen意为“公民”,对应E选项“a person who belongs to a country(属于一个国家的人)”;2. private意为“私人的”,对应F选项“not for everyone; only for one person or a small group(不是给所有人,仅给个人或小群体)”;3. careless意为“粗心的”,对应B选项“not be careful(不小心)”;4. aware意为“意识到的”,对应A选项“knowing about something(知道某事)”;5. stranger意为“陌生人”,对应C选项“a person you don't know at all(完全不认识的人)”;6. cheat意为“欺骗”,对应G选项“to do something wrong to win(做坏事来赢)”;7. enemy意为“敌人”,对应H选项“a person who is not your friend and wants to fight you(不是你的朋友,想和你打架的人)”;8. click意为“点击”,对应D选项“press a button (like on a mouse or screen) to do something on a computer or phone(按(鼠标或屏幕上的)按钮来在电脑或手机上操作)”。
【答案】1.E 2.F 3.B 4.A 5.C 6.G 7.H 8.D
【知识点】英语词汇释义匹配,词汇辨析
【点评】本题为基础英语词汇匹配题,考察常见核心单词的基本释义,只要掌握单词的基础含义即可完成,属于简单题型。
【难度系数】0.8
Ⅱ. Complete the sentences with the proper form of the words in Exercise I.
1. As
citizens
, we should learn how to protect our personal information online.
2. Don't share your
private
photos or videos on unsafe websites.
3. Being
careless
with your passwords can lead to big problems.
4. We must be
aware
of the risks of online fraud(诈骗).
5. Never trust a
stranger
who asks for your bank account online.
6. Some people try to
cheat
others by sending fake links(虚假的链接).
7. Hackers(黑客) are the
enemies
of our online safety.
8. Don't
click
on any strange links in emails to avoid getting viruses(病毒).

答案

1. citizens 2. private 3. careless 4. aware 5. stranger 6. cheat 7. enemies 8. click

解析

【分析】
本题要求用给定单词的适当形式完成句子,解题时需先理解每个句子的语境,再结合语法规则(如词性、单复数、固定搭配、动词形式等)确定每个空应填的单词。具体思路为:先分析句子结构判断空格所需词性,再结合句意选择合适单词并调整形式(如名词单复数、动词原形等)。
【解析】
1. 句意“作为公民,我们应学会在线保护个人信息”,此处表“公民”,主语为we,故用名词复数citizens;
2. 空格修饰名词photos,需用形容词,结合句意“私人的”,填private;
3. be动词后接形容词,根据句意“对密码粗心会引发大问题”,填careless;
4. 固定搭配be aware of意为“意识到”,符合“我们必须意识到网络诈骗的风险”的句意,填aware;
5. 不定冠词a后接可数名词单数,结合句意“不要相信网上索要银行账户的陌生人”,填stranger;
6. try to do sth为固定结构,需填动词原形,结合句意“有些人通过发送虚假链接欺骗他人”,填cheat;
7. 主语Hackers为复数,此处表“敌人”,需用名词复数enemies;
8. don't后接动词原形,click on为固定搭配“点击”,符合“不要点击邮件里的陌生链接”的句意,填click。
【答案】
1. citizens 2. private 3. careless 4. aware 5. stranger 6. cheat 7. enemies 8. click
【知识点】
英语单词适当形式填空、固定搭配、词性辨析
【点评】
本题考查基础词汇的运用,结合语境、语法规则及固定搭配即可完成,是英语学习中常见的基础题型,有助于巩固词汇的词性和用法。
【难度系数】
0.3
Ⅲ. Complete the sentences with proper words according to the first letters given.
1. We shouldn't get fun online at the c
cost
of our personal safety.
2. You shouldn't write your home a
address
on public websites.
3. Never tell your password of your online a
account
to others.
4. Sharing your personal information online will bring great r
risk
.
5. Don't chat with a s
stranger
you meet on the internet.
6. Parents should l
limit
their kids' time on the internet to protect them.

答案

1. cost 2. address 3. account 4. risk 5. stranger 6. limit

解析

【分析】
做此类根据首字母提示完成句子的题目,需先通读每个句子理解句意,再结合给出的首字母,回忆相关词汇及固定搭配,确定符合语境的单词,同时注意单词的正确形式(本题均为原形,符合句子结构要求)。
【解析】
1. 句意:我们不应该以个人安全为代价在网上取乐,固定搭配为at the cost of(以……为代价),结合首字母c,填cost;
2. 句意:你不应该在公共网站写你的家庭地址,home address意为“家庭地址”,结合首字母a,填address;
3. 句意:永远不要把你在线账户的密码告诉别人,online account意为“在线账户”,结合首字母a,填account;
4. 句意:在网上分享个人信息会带来很大风险,bring great risk意为“带来很大风险”,结合首字母r,填risk;
5. 句意:不要和你在网上遇到的陌生人聊天,stranger意为“陌生人”,结合首字母s,填stranger;
6. 句意:父母应该限制孩子上网的时间来保护他们,should后接动词原形,limit time意为“限制时间”,结合首字母l,填limit。
【答案】
1. cost 2. address 3. account 4. risk 5. stranger 6. limit
【知识点】
首字母填空、固定搭配、名词与动词的运用
【点评】
本题围绕网络安全话题,考查学生对基础词汇及固定搭配的掌握,题型常规,难度适中,有助于巩固相关实用词汇。
【难度系数】
0.5
Ⅳ. Complete the sentences with the proper form of the words given.
1. Never share your home address with a
stranger
(strange) you meet online.
2. Protecting your
personal
(person) information is key to staying safe.
3. Always keep your online
accounts
(account) safe with strong passwords.
4. It's important to read messages from unknown senders
carefully
(careful).
5.
Behaving
(behave) badly near roads can lead to serious accidents.
6. Buying cheap toys sometimes leads to higher repair
costs
(cost) later.
7. It's important to talk to a
trusted
(trust) adult if you see something unsafe online.
8. Avoid
using
(use) phones while crossing the street—it's very dangerous.

答案

1. stranger 2. personal 3. accounts 4. carefully 5. Behaving 6. costs 7. trusted 8. using

解析

【分析】本题为英语用所给词适当形式填空的题型,解题核心是根据句子的结构、成分确定空格所需的词性,再对所给单词进行对应的变形,需掌握词性转换规则、句子成分分析及固定搭配等基础知识。
【解析】1. 空格前有不定冠词a,需填入名词,形容词strange的名词形式为stranger(陌生人),故填stranger;2. 空格后是名词information,需用形容词修饰,名词person的形容词形式为personal(个人的),故填personal;3. 空格前是形容词online,需填入名词,account为可数名词,此处表泛指,故用复数形式accounts,填accounts;4. 空格处修饰动词read,需用副词,形容词careful的副词形式为carefully,填carefully;5. 空格处作句子主语,需用动名词形式,动词behave的动名词为Behaving,填Behaving;6. 空格前是名词repair,需填入名词,cost为可数名词,此处表泛指,故用复数形式costs,填costs;7. 空格后是名词adult,需用形容词修饰,动词trust的形容词形式为trusted(可信赖的),填trusted;8. 固定搭配avoid doing sth意为“避免做某事”,故填use的动名词形式using。
【答案】1. stranger 2. personal 3. accounts 4. carefully 5. Behaving 6. costs 7. trusted 8. using
【知识点】词性转换、形容词与副词用法、动名词作主语
【点评】本题考查英语基础词汇的词性转换及常用固定搭配,属于初中英语常见的基础题型,需掌握常见词性的变形规则和句子成分的判断方法。
【难度系数】0.7