Unit4单词讲解，词形变换整理2024-2025学年人教版英语七年级上册

2024人教版Unit3 重点单词讲解与词性转换整理 1. biology n. 生物（学科） 一般用作不可数名词 常见的其它科目的英语表达 ： English 英语 Chinese语文 math数学 geography地理 physics物理 chemistry化学 history历史 I think history is very interesting. 2. boring adj. 乏味的；令人讨厌的 反义词 interesting 有趣的 这两个词通常用来修饰物，如果修饰人的话，通常用bored, interested. 常见的有类似用法的单词有 relaxing, relaxed, exciting, excite, amazing, amazed, surprising, surprised等。 3. bookcase /'bukke1s/n.书架;书柜 There are many kinds of interesting books in the bookcase, I am very interested in them. 4. screen n.屏幕;银幕 on the screen The cinema has the biggest screen in the town. 5. modern adj.现代的;当代的 modern world 6. do exercises 做体操 do morning exercises 做早操 do eye exercises 做眼保健操 We do eye exercises every morning. It’s good for our eyes. 7. amazing adj.令人惊奇 amazed 感到惊奇的 China has amazing achievements in the past years. Tom is very amazed. 8. raise v.使升高;提高 raise money 筹钱 raise something 举起某物 The little boy can raise such a heavy box. 9. flag n.旗; 旗帜 national flag 国旗 In our school, we raise our national flag every Monday morning. 10. in front of在……前面 In front of our house, there is a big tree. 链接用法： in the front of ...在......的前面 The blackboard is in the front of the classroom. 11. useful adj. 有用的 反义词 useless 没有用的 The book is very useful for us. 链接用法： make use of ...= put something to good use 好好运用..... We should make good use of our time. 12. past n. 过去 adj. 过去的 prep. 在.....之后 In the past, the river is very dirty, but now it is very clean. My hometown has changed a lot in the past years. Go past this street, you will see a bookshop on your left. 13. be good with 善于应付.....的 He is very good with the children, so he gets on very well with them. 链接用法： be good at 擅长..... = be talented in Helen is good at playing the piano. be good for...... 对......有好处 Doing sports is good for our health. 14. help somebody with something 在.....帮助某人 He often helps me with English. 15. reason n. 原因 Tell me the reason why you are late this time. 16. listen to music 听音乐 （强调听的动作） hear something 听到某种声音 （强调听的结果） I listened very carefully, but I could hear nothing. 链接类似用法： look at 强调看的动作 ， see强调看到的结果 look for 强调寻找的动作， find强调找到的结果 17. remember v. 记住；记起 常见用法：remember doing something 记得曾经做过某事 （事情已经做过了） I remembered returning that book. 我记得已经把那本书还回去了。 remember to do something 记得要去做某事 （事情还没有发生） Remember to turn off the lights when you leave the classroom. 记得离开教室的时候把灯都关上。 ing形式表示已经发生的事情，to do something 表示还没有发生的事情 链接有类似用法的单词和短语有： forget doing something forget to do something regret doing something regret to do something 18. French n. 法语 Can you speak French? 相关单词 France 法国 go to France Frenchman 法国人 pl. Frenchmen 19. excellent adj. 优秀的；极好的 没有比较级的用法 excellence n. 优秀 20. instrument n. 乐器；器械 musical instrument 乐器 play musical instrument 弹奏乐器 21. sing v. 唱歌 song n 歌曲 sing a song 唱歌 singer n. 歌手 The singer can sing lots of beautiful songs. 22. future n. 未来 用法： in the future 将来 in the near future 在不久的将来 in future 今后 以上两个短语都用于一般将来时态 23. work out a plan , 制定出计划；work out a problem 解决一个问题 24. in class 在课堂上 We can not eat in class. in the classroom 在教室里 （不一定在上课） 25. magic n. 魔法 adj. 有魔力的 magician 魔术师；魔法师 26. life pl. lives in our daily life/ lives 在我们的日常生活中 Doctors save many lives every day, they are so great. 医生每天都能挽救很多生命，他们太伟大了。 27. science n. 科学（一门学科）用作不可数名词 相关用法: scientific adj. 科学的， scientific study 科学研究 scientist n. 科学家 There are lots of great scientists in our country. 1 学科网（北京）股份有限公司 $$