Unit 3 Lesson 7 Time to Exercise重难点知识讲解及基础练习2023-2024学年北师大版英语八年级上册

Unit 3 Lesson 7 Time to Exercise 重难点知识讲解 1．形容词和副词的比较级 “A比B要……”的表达方式称为比较级，常在形容词或副词词尾加-er 表示。例如： Who do you think is heavier, David or Mike? 你认为谁更重，大卫还是迈克？ I can jump higher than that table． 我能跳得比那个桌子高。 注意：比较级有时也可表示最高级的含义。 I was faster than any other student! 我比其他任何一个学生都要快！ It's easier than any of these sports. 它比这里的任何运动都要容易。 2. 修饰比较级的副词 只用于修饰比较级的副词 much（更加）； even(更加）等 It's even harder than sit-ups and push-ups! Tim is much stronger than last year. 既可以用来修饰比较级，又可以修饰原级的副词 a little(一点儿)； a bit(一点儿)等 I felt a bit sick after the first race, remember? Jimmy is a little taller than Mike. 3. I always give up half way through. 我总是半路放弃。 【解析】give up 放弃(尝试、想法）；戒除（习惯等） Don't give up hope. 不要放弃希望。 Dad gave up smoking two years ago. 两年前爸爸把烟戒了。 以下是一些与give 有关的常用短语： We can't give in to the enemies. 我们不能向敌人屈服。 I picked up the pen and gave it back to Tom. 我捡起了这支钢笔，把它还给了汤姆。 The teacher gave out the exam papers. 老师把试卷发了下来。 4. some，a few，few，a little，little的辨析 词汇 含义 可数 不可数 例子 some 一些 √ √ some books 一些书，some meat 一些肉 a few 几个（不多） √ a few students 几个学生 few 几乎没有 √ We saw few students there 我们在那儿几乎没看见学生。 a little 一点儿，少许 √ There is a little water in the bottle. 瓶子里还有一点儿水。 little 几乎没有 √ Could you buy some milk? There is little in the fridge. 你能买些牛奶吗？冰箱里几乎没有了。 基础练习 一、短语互译。 1. 做仰卧起坐_______________ 2.开玩笑，胡闹________________ 3. 打破纪录_________________ 4.放弃_______________________ 5. 稍微，有点儿_____________ 6.爬绳子_____________________ 7. think of____________________ 8. average member age___________ 9. at the end of_______________________________________________ 10. compare the two sports centres________________________________ 二、用括号内所给词的正确形式填空。 1. In my opinion, table tennis is _____ (easy) than tennis. 2. Mike is very good at ______ (run). 3. ——Did David _______ (break) the record yesterday? ——Yes, he did. He is a great athlete! 4. It is difficult for little kids _____ (do) push-ups. 5. Nowadays, the computers are much ________ (cheap) than before. 6. Basketball is _