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课件网) Unit 3 Could you please clean your room Section B R·八年级下册 n. 精神压力；心理负担 (1)精神压力；心理负担 under stress 承受压力 Laura has to face lots of stress as a teenager. (2)重音；重读 These two words have the same stress. 讲解 短语 例句 讲解 例句 n.浪费；垃圾 v. 浪费；滥用 adj. 无用的； 废弃的 (1)名词：浪费 (2)不可数名词：垃圾 a waste of… 浪费…… (3)及物动词：浪费；滥用 waste time/money on sb./sth. 在某人/某事上浪费时间/金钱 waste time/money (in) doing sth. 浪费时间/金钱做某事 (4)形容词：废弃的；丢弃的；无用的 Don’t throw waste paper around. 讲解 provide sb. with sth. = provide sth. for sb. 为某人提供某物 v. 提供；供应 The volunteers provide food for the doctors and nurses. =provide the doctors and nurses with food 讲解 例句 adv. 而且； 加之 (1) 而且；加之（多用于追加评论或追加信息）。 Watching TV too much is bad for your eyes and anyway it’s a waste of time. (2) 尽管如此；无论如何 I’m afraid we can’t come, but thanks for the invitation anyway. 讲解 例句 讲解 例句 development n.发展；发育；成长 developing adj.发展中的 developed adj.发达的 v. 发展；壮大 可作及物动词，也可作不及物动词。 It’s good for us to develop a good habit of reading. develop 的相关词： 讲解 例句 拓展 n. 独立 It’s important to develop children’s independence. 不可数名词；其形容词形式为 independent，意为“独立的；自主的”。 independence 的相关词： depend v. 依靠 dependent adj. 依靠的 dependence n. 依赖 independent adj. 独立的 independence n. 独立 反义词 反义词 讲解 例句 拓展 n. 合理性；公正性 fair ( adj.公正的；合理的)+名词后缀-ness We should understand the idea of fairness. fair 形容词：合理的；公正的 unfair 形容词：不合理的；不公正的 It’s fair/unfair for children to do housework. 构成 例句 拓展 例句 conj. 因为；既然 prep.,conj.& adv. 从……以后；自……以来 (1)连词：因为；既然（引导原因状语从句，用来说明原因或理由，比because更正式和书面化）。 Since it’s raining hard, we have to put off the sports meeting. (2)连词：从……以后；自……以来（引导时间状语从句）。 She has changed a lot since she was blind. (3)介词：从……以后；自……以来 Miss Hu has taught us English since last term. 讲解 adj. 有病；不舒服 fall ill 生病 ill与sick ill 有病；不舒服（常作表语）。 sick 生病的；有病的（常作定语或表语，作表语时可与ill互换）。 Although Mary is ill/sick, she has to take care of her sick daughter. 短语 辨析 串记 过去式：dropped 现在分词：dropping v. 落下；掉下 (1) 不及物动词：落下；掉下 The bowl dropped and broke. (2) 及物动词：使落下；掉下 Be careful. Don’t drop the plate. (3)名词：滴；水珠 We should save every drop of water. 讲解 例句 讲解 例句 讲解 例句 ... ...
