Unit10知识点Exploring the Topic讲义2025-2026学年仁爱科普版八年级英语下册

八年级英语下册Unit10知识点-Exploring the Topic讲义 第一部分：Thinking Skills - Classifying Details 一、重点句型解析 1. "We can use mobile phones to talk to people far away." - 意思：我们可以用手机与远方的人通话。 - 知识点：use sth. to do sth. 用某物做某事；far away 遥远 - 仿写：We can __________ computers __________ information. 2. "If we use mobile phones too much, we may have eye problems." - 意思：如果我们过度使用手机，可能会得眼病。 - 知识点：if 引导条件状语从句（主句用may + 动词原形）；too much 太多（修饰动词）；eye problems 眼病 - 仿写：__________ you eat too much, you __________ (get) fat. 3. "The internet has both advantages and disadvantages." - 意思：互联网既有优点也有缺点。 - 知识点：both ... and ... 两者都；advantage 优点；disadvantage 缺点 - 仿写：This plan has __________ benefits __________ risks. 4. "On the one hand, it is useful in many ways." - 意思：一方面，它在很多方面很有用。 - 知识点：on the one hand 一方面；in many ways 在很多方面 - 仿写：__________, learning English is important. __________, it is not easy. 5. "For example, we can buy things, send emails and search for information online." - 意思：例如，我们可以在线购物、发送电子邮件和搜索信息。 - 知识点：for example 例如；search for 搜索；online 在线 - 仿写：Many apps allow us to __________ friends and __________ music. 6. "The internet also makes our life easier and more fun." - 意思：互联网也使我们的生活更轻松、更有趣。 - 知识点：make + 宾语 + 形容词 使……变得…… - 仿写：Technology __________ communication __________ (方便). 7. "On the other hand, not everyone on the internet is friendly." - 意思：另一方面，并非互联网上的每个人都是友好的。 - 知识点：on the other hand 另一方面；not everyone 并非每个人（部分否定） - 仿写：__________ likes spicy food. 8. "Some people use the internet to cheat or hurt us." - 意思：有些人利用互联网欺骗或伤害我们。 - 知识点：use ... to do ... 利用……做…… - 仿写：Don't __________ your power __________ others. 9. "Besides, viruses may be used to damage our computers." - 意思：此外，病毒可能被用来破坏我们的电脑。 - 知识点：besides 此外；virus 病毒；damage 破坏 - 仿写：__________, strong wind can __________ crops. 二、话题词汇与表达（Classifying Details） 英文 中文 mobile phone 手机 advantage 优点 disadvantage 缺点 far away 遥远 eye problems 眼病 internet 互联网 both ... and ... ……和……都 on the one hand 一方面 on the other hand 另一方面 useful 有用的 in many ways 在很多方面 for example 例如 buy things 购物 send emails 发送电子邮件 search for 搜索 information 信息 online 在线 make life easier 使生活更轻松 fun 有趣的 friendly 友好的 cheat 欺骗 hurt 伤害 besides 此外 virus 病毒 damage 损坏 第二部分：Reading Strategies - Drawing a Conclusion 一、重点句型解析 1. "The first electronic computer came into being in 1946 in America." - 意思：第一台电子计算机于1946年在美国诞生。 - 知识点：electronic computer 电子计算机；come into being 诞生，出现 - 仿写：The first mobile phone __________ in 1973. 2. "Different from the small light laptops today, it covered an area of nearly 170 square meters and weighed about 30 tons." - 意思：与今天轻便的笔记本电脑不同，它占地面积近170平方米，重约30吨。 - 知识点：different from 与……不同；laptop 笔记本电脑；cover an area of 占地面积；weigh 重；ton 吨 - 仿写：__________ modern cars, the first car was very slow. The new park __________ 10 square kilometers. 3. "It took up a whole room." - 意思：它占据了整个房间。 - 知识点：take up 占据（空间） - 仿写：This desk __________ too much space. 4. "The computer is one of the most important inventions in human history." - 意思：计算机是人类历史上最重要的发明之一。 - 知识点：one of the + 形容词最高级 + 复数名词 ……之一；invention 发明 - 仿写：The internet is __________ greatest __________. 5. "The pioneer John Von Neumann is the father of computers." - 意思：先驱约翰·冯·诺依曼是计算机之父。 - 知识点：pioneer 先驱；the father of ……之父 - 仿写：Yuan Longping is __________ hybrid rice. 6. "He played an important role in the invention of the electronic computer." - 意思：他在电子计算机的发明中发挥了重要作用。 - 知识点：play an important role in 在……中起重要作用 - 仿写：Teachers __________ students' lives. 7. "The first personal computer appeared in 1971." - 意思：第一台个人电脑出现于1971年。 - 知识点：personal computer 个人电脑；appear 出现 - 仿写：Smartphones __________ in the early 2000s. 8. "It was about the same size of a personal computer today, but much heavier." - 意思：它的大小和今天的个人电脑差不多，但重得多。 - 知识点：the same size of 与……一样大小；much + 比较级 ……得多 9. "In 1981, the first laptop appeared." - 意思：1981年，第一台笔记本电脑出现。 - 知识点：laptop 笔记本电脑 - 仿写：The first __________ was very expensive. 10. "Now people can keep a laptop in a small bag and carry it anywhere." - 意思：现在人们可以把笔记本电脑放在小包里，随身携带。 - 知识点：keep ... in ... 把……放在……里；carry 携带；anywhere 任何地方 - 仿写：You can __________ your phone __________ your pocket and take it __________. 二、话题词汇与表达（Drawing a Conclusion） 英文 中文 electronic computer 电子计算机 come into being 诞生 different from 与……不同 laptop 笔记本电脑 cover an area of 占地面积 square meter 平方米 weigh 重 ton 吨 take up 占据 whole 整个的 invention 发明 pioneer 先驱 the father of ……之父 play an important role in 在……中起重要作用 personal computer 个人电脑 appear 出现 the same size of 与……一样大小 much heavier 重得多 carry 携带 anywhere 任何地方 conclusion 结论 draw a conclusion 得出结论 第三部分：Theme Reading - Using the internet in a better way 一、重点句型解析 1. "Today, more than one billion Chinese use the internet every day." - 意思：如今，每天有超过十亿中国人使用互联网。 - 知识点：more than 超过；billion 十亿 - 仿写：__________ 800 million people use WeChat. 2. "With more internet connections, there are also greater risks." - 意思：随着互联网连接的增加，风险也更大。 - 知识点：with + 名词短语 随着……；connection 连接；risk 风险 - 仿写：__________ the development of technology, life becomes easier. 3. "Firstly, it is harmful to your health to spend too much time on the internet." - 意思：首先，花费太多时间上网对健康有害。 - 知识点：firstly 首先；It is + adj. + to do sth. 做某事是……的；be harmful to 对……有害；spend time on 花时间在…… - 仿写：__________, __________ important __________ exercise every day. Smoking __________ your health. 4. "You must limit your screen time and develop healthy habits." - 意思：你必须限制屏幕时间，培养健康习惯。 - 知识点：limit 限制；screen time 屏幕时间；develop habits 培养习惯 - 仿写：We should __________ our sugar intake and __________ good eating __________. 5. "Reading a book, going for a run, or just chatting with your friends face to face will help you find purposes in the real world." - 意思：读书、跑步或者只是和朋友面对面聊天，都会帮助你在现实世界中找到目标。 - 知识点：face to face 面对面；purpose 目的；real world 现实世界 - 仿写：__________ (talk) to people __________ is better than online chatting. 6. "Of course, I'm not suggesting turning off the internet for good." - 意思：当然，我不是建议永远关闭互联网。 - 知识点：suggest doing 建议做某事；for good 永久地 - 仿写：I __________ (take) a break, not stop __________. 7. "You can use the internet to learn new skills and search for useful information." - 意思：你可以利用互联网学习新技能，搜索有用的信息。 - 知识点：learn new skills 学习新技能；useful information 有用信息 - 仿写：The internet helps us __________ and __________. 8. "Secondly, the internet is home to people with bad aims." - 意思：其次，互联网上也有心怀不轨的人。 - 知识点：secondly 其次；be home to 是……的家园/所在地；aim 目的 - 仿写：The dark web __________ criminals. 9. "When it comes to personal information, don't share your password, address or ID number with strangers online." - 意思：当涉及到个人信息时，不要在网上与陌生人分享你的密码、地址或身份证号码。 - 知识点：when it comes to 当谈到；personal information 个人信息；share ... with ... 与……分享……；stranger 陌生人 - 仿写：__________ safety, never __________ your location __________ others. 10. "Also, remember to double check a link before you click." - 意思：另外，在点击之前记得仔细检查链接。 - 知识点：double check 仔细检查；link 链接；click 点击 - 仿写：__________ your answers before handing in the paper. 11. "Sometimes, the problems might come from people around you." - 意思：有时，问题可能来自你周围的人。 - 知识点：come from 来自；around you 在你周围 - 仿写：Support often __________ family and friends. 12. "If you receive an unfriendly message from your schoolmate, don't reply." - 意思：如果你收到同学的不友好信息，不要回复。 - 知识点：receive 收到；unfriendly 不友好的；schoolmate 同学；reply 回复 - 仿写：If you __________ a suspicious email, don't __________. 13. "Take a photo and keep a record." - 意思：拍张照片并记录下来。 - 知识点：take a photo 拍照；keep a record 记录 - 仿写：You should __________ of your expenses. 14. "If it happens again and again, report it to your teachers or turn to your parents." - 意思：如果它一再发生，向老师报告或向父母求助。 - 知识点：again and again 一再；report ... to ... 向……报告；turn to 求助于 - 仿写：If you have problems, you can __________ your parents. 15. "The internet is a wonderful world, but you use it only to make life better." - 意思：互联网是一个精彩的世界，但你使用它只是为了生活更美好。 - 知识点：only to do 只是为了…… - 仿写：We study hard __________ achieve our dreams. 16. "After all, your real life is here on the ground." - 意思：毕竟，你的现实生活在这里，在现实中。 - 知识点：after all 毕竟；on the ground 在现实中 - 仿写：Don't worry too much. __________, you did your best. 二、话题词汇与表达（Using the internet safely） 英文 中文 billion 十亿 connection 连接 risk 风险 firstly 首先 harmful 有害的 spend time on 花时间在 limit 限制 screen time 屏幕时间 develop 培养 habit 习惯 face to face 面对面 purpose 目的 real world 现实世界 suggest 建议 for good 永久地 learn new skills 学习新技能 secondly 其次 be home to 是……的家园 aim 目的 when it comes to 当谈到 personal information 个人信息 password 密码 address 地址 ID number 身份证号码 stranger 陌生人 share ... with ... 与……分享 double check 仔细检查 link 链接 click 点击 come from 来自 receive 收到 unfriendly 不友好的 schoolmate 同学 reply 回复 take a photo 拍照 keep a record 记录 again and again 一再 report 报告 turn to 求助于 after all 毕竟 on the ground 在现实中 综合配套练习 A. 单项选择 ( ) 1. The internet has both advantages and __________. A. disadvantage B. disadvantages C. advantage D. advantaged ( ) 2. On the one hand, it is useful; __________ the other hand, it can be dangerous. A. in B. on C. at D. for ( ) 3. We can use the internet __________ information. A. search for B. to search for C. searching for D. searched for ( ) 4. Some people use the internet __________ others. A. cheat B. to cheat C. cheating D. cheated ( ) 5. Viruses may be used __________ our computers. A. damage B. to damage C. damaging D. damaged ( ) 6. The first electronic computer __________ in 1946. A. came into being B. came up C. came out D. came over ( ) 7. It __________ an area of nearly 170 square meters. A. covered B. took C. spent D. paid ( ) 8. Early computers were very big and __________. A. light B. heavy C. small D. fast ( ) 9. Computers are becoming __________ and lighter. A. small B. smaller C. smallest D. the smallest ( ) 10. It is harmful __________ your health to spend too much time online. A. for B. to C. with D. of ( ) 11. You must limit your screen time and develop healthy __________. A. habits B. habit C. hobby D. hobbies ( ) 12. When it __________ to personal information, don't share it online. A. comes B. goes C. gets D. arrives ( ) 13. Remember to double __________ a link before you click. A. check B. checks C. checking D. checked ( ) 14. If you receive an unfriendly message, don't __________. A. reply B. reply to C. answer D. response ( ) 15. After all, your real life is here __________ the ground. A. in B. on C. at D. above B. 用所给单词的正确形式填空 1. The internet has both __________ (advantage) and disadvantages. 2. We can use mobile phones __________ (talk) to people far away. 3. If we use phones too much, we may have eye __________ (problem). 4. The first computer __________ (weigh) about 30 tons. 5. Early computers were very big and __________ (heavy). 6. Computers are becoming __________ (small) and lighter. 7. It is __________ (harm) to your health to spend too much time online. 8. You must develop healthy __________ (habit). 9. Don't share your __________ (person) information online. 10. Remember to double check a link before you __________ (click). 11. If you receive an __________ (friend) message, don't reply. 12. Take a photo and keep a __________ (record). 13. Report it to your teachers or __________ (turn) to your parents. 14. The internet is a __________ (wonder) world. 15. After all, your real life is here on the __________ (ground). C. 翻译句子 1. 互联网既有优点也有缺点。 ________________________________________________ 2. 一方面，它很有用；另一方面，它可能危险。 ________________________________________________ 3. 我们可以用手机与远方的人通话。 ________________________________________________ 4. 第一台电子计算机于1946年诞生。 ________________________________________________ 5. 它占地面积近170平方米，重约30吨。 ________________________________________________ 6. 计算机变得越来越小、越来越轻。 ________________________________________________ 7. 花费太多时间上网对健康有害。 ________________________________________________ 8. 你必须限制屏幕时间，培养健康习惯。 ________________________________________________ 9. 不要在网上与陌生人分享你的个人信息。 ________________________________________________ 10. 在点击之前仔细检查链接。 ________________________________________________ 11. 如果你收到不友好的信息，不要回复。 ________________________________________________ 12. 如果问题一再发生，向老师报告或向父母求助。 ________________________________________________ 13. 互联网是一个精彩的世界，但你的现实生活在这里。 ________________________________________________ 教师版（含答案） 第一部分：Thinking Skills - Classifying Details 句型解析答案 1. We can use computers to search for information. 2. If you eat too much, you may get fat. 3. This plan has both benefits and risks. 4. On the one hand, learning English is important. On the other hand, it is not easy. 5. Many apps allow us to chat with friends and listen to music. 6. Technology makes communication easier. 7. Not everyone likes spicy food. 8. Don't use your power to hurt others. 9. Besides, strong wind can damage crops. 第二部分：Reading Strategies - Drawing a Conclusion 句型解析答案 1. The first mobile phone came into being in 1973. 2. Different from modern cars, the first car was very slow. The new park covers an area of 10 square kilometers. 3. This desk takes up too much space. 4. The internet is one of the greatest inventions. 5. Yuan Longping is the father of hybrid rice. 6. Teachers play an important role in students' lives. 7. Smartphones appeared in the early 2000s. 8. / 9. The first laptop was very expensive. 10. You can keep your phone in your pocket and take it anywhere. 第三部分：Theme Reading - Using the internet in a better way 句型解析答案 1. More than 800 million people use WeChat. 2. With the development of technology, life becomes easier. 3. Firstly, it is important to exercise every day. Smoking is harmful to your health. 4. We should limit our sugar intake and develop good eating habits. 5. Talking to people face to face is better than online chatting. 6. I suggest taking a break, not stop for good. 7. The internet helps us learn new skills and search for information. 8. The dark web is home to criminals. 9. When it comes to safety, never share your location with others. 10. Double check your answers before handing in the paper. 11. Support often comes from family and friends. 12. If you receive a suspicious email, don't reply. 13. You should keep a record of your expenses. 14. If you have problems, you can turn to your parents. 15. We study hard only to achieve our dreams. 16. Don't worry too much. After all, you did your best. 综合配套练习答案 A. 单项选择 1. B 2. B 3. B 4. B 5. B 6. A 7. A 8. B 9. B 10. B 11. A 12. A 13. A 14. A 15. B B. 用所给单词的正确形式填空 1. advantages 2. to talk 3. problems 4. weighed 5. heavy 6. smaller 7. harmful 8. habits 9. personal 10. click 11. unfriendly 12. record 13. turn 14. wonderful 15. ground C. 翻译句子 1. The internet has both advantages and disadvantages. 2. On the one hand, it is useful; on the other hand, it can be dangerous. 3. We can use mobile phones to talk to people far away. 4. The first electronic computer came into being in 1946. 5. It covered an area of nearly 170 square meters and weighed about 30 tons. 6. Computers are becoming smaller and lighter. 7. Spending too much time online is harmful to your health. 8. You must limit your screen time and develop healthy habits. 9. Don't share your personal information with strangers online. 10. Double check a link before you click. 11. If you receive an unfriendly message, don't reply. 12. If problems happen again and again, report to your teachers or turn to your parents. 13. The internet is a wonderful world, but your real life is here on the ground. 1 学科网（北京）股份有限公司 $