Unit 2 Looking into the Future Words and Expressions 课件-2024-2025学年高中英语人教版（2019）选择性必修第一册

Unit 2 Looking into the Future Words and Expressions 选择性必修第一册 Learning aims 1. Understand the usages of important words and expressions such as instant, command, potential, critical and so on. 2. Learn to express yourselves by using the words and expressions. 3. Learn to guess the meaning of new words in context. Once, I heard a story. There was a man who always felt abnormal in his body. He got a warning from the doctor that he had a potential to get cancer. It was a critical situation . The doctor gave him some commands, like having a constant healthy diet and doing exercise. He knew he must obey these. From that instant, he started to change his lifestyle. He ate healthy food every day and did exercise constantly. Later, his body got better. This story tells us that when we get some warnings about our health, we should take action at once. instant [ˈɪnstənt]  n. 瞬间;片刻adj.立即的;速食的;速溶的 词根词缀： in不+stant(stand)站立→不站立的，不停的，马不停蹄的→立即的 instantly adv.立即地 单句语法填空 1. __________(instant), he took off his coat and jumped into the water. Instantly command [kəˈmɑːnd]  n. 指令;命令;控制vt.命令;控制 command n.&v.指挥；控制，命令 com加强+man手+d→加强(反复)用手去指导→指挥 1. He runs a small company and has twenty men under his command. 2. Besides, I have such a good command of English that I can introduce Chinese culture to visitors in English. 3. The police arrived and took command of the situation. command [kəˈmɑːnd]  n. 指令;命令;控制vt.命令;控制 短语： (1)____________________ 由……指挥 be in command of 指挥；控制 ______________________ 掌握；精通(尤指语言) __________________ 控制；掌握 (2)_____________________命令某人做某事 take command of command sb. to do sth. have a good command of under one's command command [kəˈmɑːnd] n. 指令;命令;控制 vt.命令;控制 写作:我对中国传统文化有很好的了解，这对介绍中国画很有帮助 。 , . 2. You turn toward a ball on the floor, and your brain sends a command you (pick) it up. I have a good command of Chinese traditional culture, which is beneficial for introducing Chinese painting. to pick obey [əˈbeɪ]   vi.＆vt.服从;遵守 前缀dis-分离/分开/反/否定 【dislike不喜欢 (dis否定+like喜欢→不喜欢)】 obey v.服从 disobey v.不服从 warning  [ˈwɔːnɪŋ] n. 警告;警示;先兆 词根词缀： war n. 战争 warn v.警告；告诫，提醒 【联想：战争(war)的目的之一是警告(warn)】 warning n.警告 constant  [ˈkɒnstənt]  adj. 不断的;重复的;不变的n.常数;常量 词根词缀： constant adj.固定的；恒定的 n.常数，常量 con加强+stant(stand)站立→加强站立，一直站着不动不变 →固定的；恒定的 constantly adv.始终地，不断地 abnormal  [æbˈnɔːml]  adj. 不正常的;反常的 词根词缀： normal adj. 标准的；正常的 abnormal adj.反常的；异常的 critical [ˈkrɪtɪkl] adj. 严重的;关键的;批判性的 be critical to sth. 对…至关重要 critically adv. 批判性地 criticize v. 批评，评论 criticize sb. for sth. 因…指责某人 criticism n. 批评，指责，评论 critic n. 评论家,批判家 单句语法填空 Moral values are critical Children’s development. Moscow is running (critical) low on food supplies. to critically cancer[ˈkænsə(r)]   n. 癌;癌症;毒瘤 cancer n.癌症；巨蟹座 【联想：舞者(dancer)得了癌症(cancer)】 potential adj. 可能的；潜在的 n. 潜力；可能性 have the potential to do sth. 有潜力做某事 potentially adv. 潜在地，可能 1. The new biological science does have the potential ______________(do) great harm, as well as good. 2. Clearly this is a (potential) dangerous situation. 单句语法填空 to do potentially 1. Cancer, which is a potential critical disease, gives us a constant warning early on. As a consequence, any abnormal signals can’t be ignored. 癌症是一种潜在的严重的疾病。它在初期不断发出警告，因此我们不能忽视任何不正常的信号。 请把下面的中文句子翻译成英文。 曾经，我听到一个故事。有一个人总是感觉自己身体abnormal。他收到医生的一个warning ,说他有患cancer 的 potential风险。这是一个critical的情况。医生给他一些commands，比如保持constant健康饮食和进行锻炼。他知道他必须obey 这些。从那instant 起，他开始改变自己的生活方式。他每天吃健康的食物并且constant锻炼。后来，他的身体变好了。这个故事告诉我们，当我们收到一些关于健康的warning时，我们应该马上采取行动。 Consolidation Homework 1.To read the short story again and recite words. 2. To finish exercises on page P32(instant-command) Thank You ! $$