【高效学案】Unit 4 Helping out 课文解析一(PPT版+word版）【外研版2024八下英语】

/ 让教学更有效 英语学科 Unit 4 Helping out 课文解析一 1.A kindness is never wasted. 善意从不会被浪费。 [用法讲解] waste为动词，译为"浪费，挥霍，滥用";waste还可为名词，译为"浪费". Eg: Please throw the waste in the recycling bin. 请把废物扔进回收箱。 I wasted my time on that project. 我在哪个项目上浪费了时间。 [常见搭配] waste time/money on sb./ sth. 在某人/某物上浪费时间/金钱 waste time/money(in) doing sth. 浪费时间/金钱做某事金钱做某事 a waste of time 浪费时间 Eg: She wasted a lot of money on clothes. 她在衣服上浪费了很多钱。 Tom never wastes too much time playing computer games. 汤姆从不在玩电脑游戏上浪费太多时间。 It's a waste of time talking to him. 和他谈话事浪费时间。 [即学即用] They wasted a whole day_____(try) to fix the computer. 答案：trying 2.adding some colour 添一些色彩 [用法讲解] add作动词，也可译为"加法，添加，加，补充";add也可作名词，译为"添加物". Eg: Add tomato paste, salt and pepper to taste. 酌量添加番茄酱，盐和胡椒粉。 Please add 5 and 8 to get the sum. 请将5和8相加，得到总和。 [常见搭配] add up 总计，加起来 add to 增加 add on 附加 add sth.to sth.把...加入 Eg: Can you add up the expenses for this month 你能把这个月的开支加起来吗 The rain only added to the difficulties of the journey. 雨只会增加旅程的困难。 We decided to add on an extra day to our vacation. 我们决定在度假期间在增加一天。 Add sugar to coffee. 把糖加入咖啡里。 [派生词] addition为名词，译为"增加，加法"; additional为形容词，译为"附加的，额外的". Eg:In addition to the main course, we served additional desserts. 除了主菜，我们还提供了额外的甜点。 [即学即用] ( )-- Wow, that's a nice collection of stamps. -- Yes, but I still need a few to_____ the collection to make it perfect. A.add to B.add up C. add up to D.add 答案：A 3.I'm afraid you'll have to draw a grey butterfly. 恐怕你得画一只灰色的蝴蝶了。 [用法讲解] afraid为形容词，译为"担心的，害怕的". Eg: There's nothing to be afraid of. 没有什么可害怕的。 [常见搭配] be afraid of sth./ sb. 对某人/某事感到害怕 be afraid to do sth. 因害怕而不敢做某事 be afraid of doing sth. 害怕做某事 be afraid that 从句 害怕... be afraid for sb./ sth.为某人/某事感到担心 Eg: I'm afraid of spiders. 我害怕蜘蛛。 I am afraid to go alone in the dark. 我害怕在黑暗中独自一人。 She is afraid of speaking in public. 她害怕在公众场合讲话。 She is afraid that she will fail the exam. 她担心她会考试不及格。 I am afraid for her safety. 我担心她的安全。 [即学即用] She is afraid_____(go) out at night. 答案：to go 4.The hospital provided colouring books for young patients. 医院为小患者提供涂色本。 [用法讲解] provide译为"供应(信息，服务等)，提供". Eg: The company provides health insurance for its employees. 公司为员工提供健康保险。 [常见搭配] provide sth.for sb.= provide sb. with sth. ;为某人提供某物 provide against... 为防备...而提供/准备 provide for ... 抚养，供养，为...做准备 Eg: The school provides textbooks for all students. 学校为所有学生提供课本。 The company provides its employees with health insurance. 公司为其员工提供医疗保险。 We need to provide ag ... ...