Unit 7 知识点讲解 2022-2023学年人教版九年级英语全册

九年级 Unit 7 Teenagers should be allowed to choose their own clothes. 应该允许青少年选择自己的衣服。 关键词：带情态动词的被动式：情态动词+be+过去分词。 例: He can do it well.（他能把这件事做好。） It can be done well by him.（他能把这件事做好。） license /laɪsns/ n.(= licence)证；证件 li+cense He has just got his driver’s license. 他刚刚拿到他的驾照。 safety /ˈseɪfti/ n. 安全；安全性 safe+ty I’m worried about your safety. 我担心你的安全。 smoke /sməʊk/ v.冒烟；吸烟 n.烟 Teenagers should not be allowed to smoke. 不应该允许青少年抽烟。 part-time /ˌpɑːtˈtaɪm/adj.&adv.兼职（的） 反义：full-time Students should not be allowed to have part-time jobs. 不应该允许学生们做兼职工作。 pierce /pɪəs; pɪrs/ v. 扎；刺破；穿透 Sixteen-year-olds should be allowed to get their ears pierced. 应该允许16岁的孩子们穿耳洞。——get sth. done 让别人或安排别人做某事, 被动 Exercise: I have _____ my room ______(clean). 我已经（让别人）打扫好了房间。 earring /ˈɪərɪŋ/ n.耳环；耳饰 ear+ring He should stop wearing that silly earring. 他应该停止戴那个难看的耳环。 flash /flæʃ/ n. 闪光灯； 闪光 v. 闪光； 闪耀 Do you think we may be allowed to take photos if we don’t use a flash? 你认为