2025人教版八年级英语下册Unit 3 Section B单词词汇课件

(共11张PPT)
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.
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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.
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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
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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.
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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：
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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
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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.
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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.
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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.
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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.
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