Unit 4 Words and expressions 课件-2021-2022学年高中英语人教版（2019）·选择性必修第四册

授课时间：5月18日 教学内容：Unit 4 Using language 和 Discovering useful structure 词汇 教学目标：学习Unit 4 Using language 和 Discovering useful structure 词汇的用法 教学重难点：掌握Unit 4 Using language 和 Discovering useful structure加粗词汇的用法 教学方法：图文教手法，ppt教授法 Unit4 words and expressions A parcel is something _________ (wrap) in paper usually, so that it can be sent to someone by post. wrapped parcel n. 包裹 vt. 裹好；打包 拓展： 1. a parcel of 一包……, 一堆 Eg. 我们现寄给你一包样品。 We are sending you ________________. Vt. 裹好；把…包起来 2. 词组： parcel sth. up 把…包起来 I need a piece of string to________this books. parcel up a parcel of samples He still could not throw any further light on why the elevator could have become ________ (jam). throw light on 阐释清楚 jammed jam n. 果酱；堵塞； vt.塞满，挤满；卡住; adj. jammed 拥挤的；堵塞的 jammed-jammed jamming traffic jam 交通堵塞 n. 罐子；坛子 The brochures were mailed out last week. 小册子已于上周一成批寄出去了The brochures were mailed out last week. 小册子已于上周一成批寄出去了 mail n.邮件；信件；邮政 vt.邮寄；发电邮给 (1) mail sb.sth.＝mail sth.to sb.给某人邮寄某物 (2) mail out 邮寄出去 (3) by mail 以邮寄方式 Eg. 小册子已于上周一成批寄出去了。 The brochures ______________last week.  were mailed out We only contact each other 　　　　mail and telephone.  by secondary adj.中学的:次要的:间接引发的 →secondarily adv.其次 (1) be of secondary importance 次要的 eg: Health is the most important and everything else is of secondary importance. 健康是最重要的,其他一切都是次要的。 secondary teachers 中学教师 the secondary curriculum 中学课程 Clay is a kind of earth that is soft when it is wet and hard when it is dry. Clay __________ (shape) and baked to make things such as pots and bricks. is shaped clay n. 粘土，陶土 dust n. 沙土；灰尘 dusty adj. 布满灰尘的 History is much more than the study of _____ (dust) old objects and events long past. dusty weed n. 杂草；野草 vt.&vi. 除杂草 adj. weedy瘦弱的；似杂草的；尽是杂草的 The car was parked in the small __________ (weed) lot小块土地 next to the hotel. weedy It takes me only a few minutes to walk to school down a dusty (尘土飞扬的)track （which is）covered in weeds(杂草丛生的). 沿着杂