(讲义)Unit 1 Nature in the Balance 教学 知识细解码-【提分教练】2023-2024学年新教材高中英语必修第三册(译林版2020)

1．harm n．& vt.伤害，损害→harmful adj.有害的→harmless adj.无害的 2．long adj.长的，长时间的→length n．长，长度；时间的长短；篇幅，(电影)片长 3．survive vi.生存，存活vt.幸存，幸免于难→survival n．残存物；幸存事物→survivor n．幸存者；生还者 4．disappear vi.不复存在，灭绝，消亡；消失；失踪→disappearance n．消失；失踪 5．agriculture n．农业，农学→agricultural adj.农业的 1．variety n．不同种类；变化，多样性；变种，变体 ①I was impressed by the variety of dishes on offer. 不同种类 ②When preparing meals, we need to think about variety and taste as well as nutritional value. 变化，多样性 ③Apples come in a great many varieties. 变种，变体 2．living adj.活着的，活的；在使用的 n．生计，谋生；生活方式 ①She earns her living as a part­time tutor. 生计 ②Chinese is one of the most beautiful languages that is living in the world. 在使用的 ③He is the finest living pianist that I have ever seen. 活着的 　harm n．& vt.伤害，损害 [例]What should be done to punish people who do harm to the animals? 应该做些什么来惩罚那些伤害动物的人呢？ [知识拓展] (1)do sb./sth.harm＝do harm to sb./sth. 对……有害 There is no harm in doing sth. 做某事没有害处。 (2)harmful adj. 有害的 be harmful to... 对……有害 (3)harmless adj. 无害的 [即学即练]　单句语法填空/一句多译 ①Walking in the air full of smog is harmful(harm) to us. ②Drinking too much does harm to your health. ③There is no harm in saying(say) sorry to him first. ④众所周知，玩电脑游戏真的对孩子有害。 →As is known to all，playing computer games really harms children．(harm vt.) →As is known to all，playing computer games really does harm to children/does children harm．(harm n．) →As is known to all，playing computer games really is harmful to children．(harmful) 　variety n．不同种类；变化，多样性；变种，变体 [例]Join us to taste a variety of fresh local food and drinks. 和我们一起品尝当地多种多样的新鲜的食物和饮料。 [知识拓展] (1)a variety of＝varieties of 各种各样的；不同种类的 (2)vary v. 变更，变化；使多样化 vary from...to... 从……到……不等； 在……到……之间变动 vary with... 随……而变动 vary in... 在……方面不同 (3)various/varied adj. 各种不同的；各种各样的 [即学即练]　单句语法填空/完成句子 ①For various(variety) reasons，we couldn't attend her wedding. ②Students are offered varieties(variety) of courses in this department. ③The menu in the restaurant varies with the season. ④对于这件事，每个人意见不一。 Opinions on this matter vary fro