Unit2 Section A 单词讲解课件2022-2023学年人教版八年级英语下册

Unit2 I’ll help to clean up the city parks. Section A 单词讲解 1 1 e.g. It can bring you happiness and cheer you up when you are sad. 当你悲伤时，它可以带给你快乐，让你振奋起来。 cheer [tʃɪə, tʃɪr] v. 欢呼; 喝彩 n. 欢呼；激励；愉快 cheer up（使）变得更高兴；振奋起来 2 2 e.g.I will be a volunteer of my city. 我将成为一名我市志愿者。 volunteer [vɒlən'tɪə,vɑ:lən'tɪr ] v. 义务做; 自愿做 volunteer to do sth.自愿做某事 n. 志愿者 3 e.g. The sign means that cars cannot enter. 这个标志意思是骑车禁入。 sign [saɪn] n. 标志; 信号 road sign 路标 bad sign不祥的征兆 warning sign 警告标志 v. 签；做手势 【拓展】sign的其他词义： ①Headaches may be a sign of stress. ②This is called sign language. ③Many people like to sign their names on the inside cover. ④Gently taking his hand, she signed, “How are you? Are you OK?” 迹象 手势 签名 打手势 4 e.g. The above four notices are all about pets. 以上4则通知都是关于宠物的。 notice ['nəʊtɪs] n. 通知; 通告; 注意 v. 注意到; 意识到 notice 用作及物动词表示“注意”时，通常为“无意注意”； take notice of 表示“有意注意”。 【拓展】notice的其他词义： ①I got so into my work that I even didn’t notice Kate had sat up. ②You are welcome to come and stay as long as you give us plenty of notice. 意识到 事先声明 5 e.g. He led a lonely life with few friends. 他生活孤独，朋友很少。 lonely ['ləʊnli] adj. 孤独的; 寂寞的 lonely 含有较浓厚的感情色彩，可指人孤独，也可指地方偏僻。 alone 陈述客观事实，强调数量上的单一，不含感情色彩。 小 试 牛 刀 1.【广安中考】Sometimes we feel ________（孤独的）even though there are lots of people around. 2. 【南充中考】—I know Old Joe lives _______. —We are supposed to visit him from time to time. Then, he won't feel ________. A. alone; alone B. lonely; lonely C. lonely; alone D. alone; lonely lonely D 6 e.g. I've become good friends with several of the students in my school. 我与学校里的几个学生成为了好朋友。 several ['sevrəl] pron. 几个; 数个; 一些 several还可作代词，意为“几个；数个；一些”。 7 e.g. He was a big strong man. 他是一个高大健壮的人。 strong [strɒŋ,strɔ:ŋ] adj. 强烈的; 强壮的 be strong in擅长 ； as strong as a horse身强力壮 8 e.g. I've lost all feeling in the left arm. 我左臂完全失去了知觉。 feeling ['fi:lɪŋ] n. 感觉; 感触 bad〔ill〕 feeling 恶感, 反感 feeling还有“感情”之意。 9 e.g. I heard the news with great satisfaction. 我听了这个消息非常满意。