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高考网汇集整理《高一英语知识点总结及重难点解析：Unit3-4单词聚焦(6)》 单词聚焦(6) 11. normal adj. 正常的;正规的 the normal temperature, normal behavior (1) regular 规则的;有规律的 keep regular hours 生活有规律;按时作息 (2) common普通的;常见的 Tom is a common name in Britain. 共有的;共同的 have a common interest 有着共同爱好 (3) usual 惯常的;惯例的 It's usual with him to go to the office on foot. (4) ordinary 平凡的;普通的 in ordinary dress 12. once的用法 ▲ 搭配： ① all at once 突然;同时 ② at once 立刻，马上;同时 ③ (every) once in a while 偶尔，有时，间或 ④ for this once (= for once，just for once) 就这一次; 破例一回 ⑤ more than once 不止一次，多次 ⑥ not once 一次也不 ⑦ once again / more再一次 ⑧once and again一再，再三 ⑨ once or twice 一两次;有时，偶尔 ⑩ once too often又(多了)一次 ? once upon a time从前 【考例】(2004上海) ____ we have learned something, additional learning increases the length of time we will remember it. A. Before B. Once C. Until D. Unless [考查目标] 连词once的用法和词义。 [答案与解析] B once在作连词使用时意思是“一旦”。 (责任编辑：admin) |