2025人教版八年级英语下册Unit 9 Section A单词词汇课件

(共16张PPT)
Unit 9 Have you ever been to a museum
Section A
R·八年级下册
讲解
通常用于肯定句中，在否定句或疑问句中常用anywhere。形容词修饰 somewhere, anywhere 时，应置于其后。
I lost my camera somewhere yesterday.
adv. 在某处；到某处
例句
其动词形式为 invent，意为“发明；创造”。
Papermaking is one of the greatest inventions of ancient China.
n. 发明；发明物
inventor可数名词：发明家
Edison was a great inventor. He invented over 2,000 inventions during his life.
讲解
例句
拓展
串记
adj. 难以置信的；不真实的
否定前缀 un- + believable (adj.可相信的)
在句中可作表语或定语。
It’s unbelievable that he’s sold over 120 million records.
unbelievable 的相关词：
believable adj.可相信的
unbelievable adj.难以置信的
disbelieve v.不相信
believe v.相信
belief n.相信
构成
讲解
例句
拓展
v. & n. 进步；进展
(1)不及物动词：进步；进展
Mary progressed quickly due to her hard work.
(2)不可数名词：进步 make progress (in…) （在……方面）取得进步。常用much, great, rapid等词修饰。
What great progress our country has made since 1949!
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例句
讲解
例句
与 quick, fast 同义，但 rapid 更加正式。
adj. 迅速的；
快速的
Many foreigners are surprised at the rapid development of China.
讲解
例句
读音以元音音素开头，其前加不定冠词时要用an。
adj. 特别的；不寻常的
其反义词是usual，意为“通常的；寻常的”。
As usual, he bought an unusual gift for his sister.
讲解
例句
v. 鼓励
encourage sb. to do sth. 鼓励某人做某事
My parents always encourage me to challenge myself in the face of difficulties.
encouragement 名词：鼓舞；鼓励；起激励作用的事物
With the teacher’s encouragement, she succeeded in winning the competition.
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例句
拓展
常用在名词前作定语。
adj. 社会的
Mary wants to be a social worker.
society 名词：社会
The computer is one of the most useful inventions in modern society.
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例句
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peace (n. 和平) + 形容词后缀 -ful
adj. 和平的；安宁的
He loves a life full of risks but I enjoy a peaceful life.
在英语中，一些名词加后缀 -ful 可构成形容词，表示具有某种性质。示例如下：
use + -ful = useful 有用的
care + -ful = careful 小心的；细致的
color + -ful = colorful 五彩缤纷的
构成
例句
拓展
Jerry’s performance was a big success.
performance 的相关词：
n. 表演；演出
She is a good performer. She has performed in many films. And her performance in the new film was excellent.
performer n.表演者；演员 perform v.表演；演出
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串记
无比较级和最高级形式
adj. 完美的；完全的
其副词形式为 perfectly，意为“完美地；完好地”。
Practice makes perfect. 熟能生巧。（谚语）
Life isn’t always perfect, but it’s up to you to make your life better.
讲解
常在句中作宾语或同位语。
pron. （it的反身代词）它自己
The poor dog hurt itself.
其他反身代词归纳如下：
myself 我自己 ourselves 我们自己
yourself 你自己 yourselves 你们自己
himself/herself 他自己/她自己
themselves 他（她、它）们自己
讲解
例句
拓展
My brother likes collecting science fiction.
v. 收集；采集
collect的相关词：
collection n.收藏品
collector n.收藏家
Tom’s uncle is a collector. He has a great sports collection. He has collected sixty basketballs.
例句
拓展
串记
(1)形容词：德国的；德语的；德国人的
adj. 德国的；德语的；德国人的
n. 德语；德国人
(2)可数名词：德国人，其复数形式为 Germans。
(3)不可数名词：德语
Germany名词：德国
She comes from Germany.
He is very interested in German culture.
The cars over there belong to those Germans.
He can speak French instead of German.
讲解
拓展
(1)可数名词：供乘骑的游乐设施
n. 供乘骑的游乐设施；短途旅程
The rides are free for children under 8.
(2)可数名词：短途旅程
The bus ride takes ten minutes or so.
(3)动词：骑
She sometimes rides a bike to school.
讲解