Unit2 Digital life语法专项预习（含答案）沪教版（五四制）（2024）英语八年级上册

沪教版（五四学制）八年级上册Unit2 Digital life语法专项预习 知识点梳理 1.现在完成时的被动语态 结构：have/has + been + 过去分词 用法：表示过去发生的动作对现在造成的影响或结果，且主语是动作的承受者 例句：Many traditional jobs have been replaced by computers. 小试牛刀： The digital divide _____ (discuss) many times in recent years. 答案：has been discussed 2.情态动词的被动语态 结构：情态动词 + be + 过去分词 常用情态动词：can, may, must, should等 例句：Personal information should be protected carefully. 小试牛刀 Cyberbullying _____ (must/avoid) in digital life. 答案：must be avoided 动词不定式作主语 结构：To + 动词原形 + 谓语 常用形式主语it替代：It is + adj. + to do 例句：To master digital skills is important. = It is important to master digital skills. 小试牛刀 _____ (learn) new technologies is necessary for modern workers. 答案：To learn 动名词作宾语 常接动名词的动词：enjoy, finish, practice, avoid等 例句：Many teenagers enjoy playing online games. 小试牛刀 We should avoid _____ (share) too much personal information online. 答案：sharing 5.状语从句（时间/条件） 时间状语从句：when, while, as soon as等引导 条件状语从句：if, unless等引导 例句：When you use social media, you should be careful. 小试牛刀 _____ you don't protect your password, your account may be stolen. 答案：If 知识演练场 I. 用所给动词的正确形式填空 1. Many new apps _____ (develop) this year. 2. Your personal data _____ (should/protect) carefully. 3. _____ (balance) online and offline life is challenging. 4. He avoided _____ (answer) the strange message. 5. When I _____ (receive) an email, I will reply immediately. II. 句型转换 1. People have discussed digital privacy widely.（改为被动语态） Digital privacy _____ _____ _____ widely. 2. You must update your antivirus software.（改为被动语态） Your antivirus software _____ _____ _____. 3. To understand AI technology is difficult.（用it改写） _____ is difficult _____ _____ AI technology. 4. She enjoys posting photos on social media.（对划线部分提问） _____ _____ she enjoy _____ on social media 5. If you don't log out, others may see your messages.（改为同义句） _____ you log out, others may see your messages. III. 选择最佳答案 （ ）1. The problem of cyberbullying _____ seriously recently. A. has been discussed B. has discussed C. is discussing （ ）2. Personal information _____ with strangers online. A. shouldn't share B. shouldn't be shared C. shouldn't be sharing （ ）3. _____ too much time on smartphones is unhealthy. A. Spend B. To spending C. Spending （ ）4. He finished _____ his digital project at midnight. A. do B. doing C. to do （ ）5. When I _____ my homework, I check my messages. A. finish B. will finish C. finished IV. 完形填空 Digital technology (1)_____ our lives greatly in recent years. Many traditional ways of communication (2)_____ by new methods. Photos (3)_____ be shared instantly through social media. However, problems (4)_____ if we're not careful. Private information (5)_____ with strangers. Therefore, we (6)_____ cau ... ...