Unit3Teaching period1TopicLife in the futurestyleWords and expressionsAims1.Learn and grasp the pronunciation of the words1. 2.Learn the usage of the words and the expressions.【自主学习】核心单词：1. _adj 不确切的，无把握的；_确切的，确定的，有把握的2._ n 方面； 3._ n 药片；_ n 桌子4._ adj时常发生的；_ v 组成；在于；一致 5._ n 通路；开口；开端；_ v 打开6._ adj早先的，先前的； 7._ vt留下印象；_ n 印象；感想；印记8._ n 周围的事物；_ adj 周围的9._ n运输工具；四轮马车；_ v 携带；带着；搬运 10._ _ vt 扎牢；系紧； _ adj快速的；迅速的【合作探究】重点词汇学习1 . sight n. 视力；视觉；看见；光景，奇观；名胜常用结构： lose sight of 看不见；忘记；失去 catch sight of sth./sb. 看见某物/人at first sight 初看之下；乍看起来 out of sight 看不见be in sight 看得见，在眼前 1). Out of sight, out of mind. 2). Last summer we had seen the sights of Beijing. 3). Tom was frightened at the sight of a snake. 4). I watched the boat until I lost sight of it. 5). I watched the plane go higher and higher until I lost _ of it.A. viewB. scene C. vision D. sight 6）If you _ of Mary, ask her to come and see me.A. lose sight of B. catch sight ofC. are in the sight of D. Are at the sight of2 . take up 从事；占(时间、空间、注意力等)；继续;拿起1). This table takes up too much room. 2). She has taken up a job as a teacher. 3). It took up a whole week to complete the work. 4). I will take up the story where I left off yesterday. 5). He took up his coat and left. 6）She first _ singing and dancing, but soon lost interest and became a businesswoman.A. took up B. took in C. took overD. took down3. sweep up 打扫；横扫1). These students are sweeping up dead leaves. 2).He ran forward and swept her up into his arms. 3).Wed better sweep up all the rubbish. 5). The strong wind swept up the leaves off the street. 6).用sweep up的适当形式填空 After the party, the house needed .The leaves were into the air by the strong wind.4. constant adj 时常发生的，连续不断的, 恒久不变的1). In history, change is constant. 2). In our world nothing seems constant. 5. previous adj 先前的，早先的1). His previous attempt was successful. 2). The previous owner of the house liked it very much. 6. guide n 指导，向导，导游； v 指引，指导 1). I ever worked as a tour guide. 2). The local man guided us there.