内容正文:
Unit 3 Make it happen!|核心知识点精讲
2026-2027学年外研版(2024)英语八年级上册
一、核心单词精讲(14 词)
1 fair /feə/ n. 展览会
搭配:a science fair 科学博览会。
课本句:Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair.(P36)
2 block /blɒk/ n. 一块(指木头、石头等有直边的硬物)
常用复数:plastic blocks 塑料积木。
课本句:He built it out of plastic blocks and fishing line.(P36)
3 artificial /ˌɑːtɪˈfɪʃl/ adj. 人造的,人工的
搭配:an artificial arm 假臂;artificial intelligence 人工智能。
课本句:“Hello,” said a girl with an artificial arm, as she shook hands with Easton’s work.(P36)
4 hook /hʊk/ n. 钩状物
一词多义:作动词表示“钩住”。
课本句:Her artificial arm was just a simple hook, but it cost $80,000.(P36)
5 cost /kɒst/ v. 价格为,需支付(某一数量的钱)
易错:cost–cost–cost;物作主语,不能用人作主语。
课本句:Her artificial arm was just a simple hook, but it cost $80,000.(P36)
6 lend /lend/ v. 借给,借出
搭配:lend (sb) a hand 帮(某人)一把;lend–lent–lent。
课本句:“I must lend a hand to people like her.”(P37)
7 improve /ɪmˈpruːv/ v. 改善,改进;变得更好
词形:improvement n. 改进,改善。
课本句:He always tried to improve his work.(P37)
8 weigh /weɪ/ v. 重,重量是
易错:weigh 后直接接数字,不加 be 动词。
课本句:But it wasn’t good enough yet: the arm weighed 3.6 kilograms.(P37)
9 fix /fɪks/ v. 解决(问题)
一词多义:还有“修理”之意,如 fix the bike。
课本句:He enjoyed fixing problems one after another.(P37)
10 download /ˌdaʊnˈləʊd/ v. 下载
反义:upload 上传。
课本句:People can download the design and make an artificial arm with their own 3-D printers!(P37)
11 curiosity /ˌkjʊəriˈɒsəti/ n. 好奇心
词形:curious adj. 好奇的 → curiosity n.。
课本句:Many great inventions in history are the result of people’s curiosity.(P44)
12 drive /draɪv/ v. 促使
易错:drive–drove–driven;drive sb to do sth 驱使某人做某事。
课本句:This strong curiosity drove him to spend years studying the sky and the earth.(P44)
13 achievement /əˈtʃiːvmənt/ n. 成绩;成就
词形:achieve v. 实现,达到 → achievement n.。
课本句:These achievements played an important role in the development of science.(P44)
14 pioneer /ˌpaɪəˈnɪə/ n. 先驱,先锋,创始人
搭配:a pioneer of … ……的先驱。
课本句:Now let’s look at Wan Hu, the Ming Dynasty pioneer of space exploration.(P45)
二、高频短语标注表
短语
释义
用法与教材原句
stand beside his work
站在作品旁
Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair.
build … out of
用……做成
He built it out of plastic blocks and fishing line.
shake hands with
与……握手
“Hello,” said a girl with an artificial arm, as she shook hands with Easton’s work.
be born without an arm
天生没有手臂
The girl was born without an arm.
What’s worse
更糟糕的是
What’s worse, children like her grow quickly and need new arms all the time.
lend a hand to
向……伸出援手
“I must lend a hand to people like her.”
try to improve his work
努力改进作品
He always tried to improve his work.
be able to
能够
It was able to move with brain signals of the user.
too heavy for a child
对孩子来说太重
It was too heavy for a child.
keep working on it
坚持不懈地钻研
Easton kept working on it.
one after another
一个接一个
He enjoyed fixing problems one after another.
hit on success
终于取得成功
And finally he hit on success at age 23.
make money from it
从中赚钱
He didn’t want to make money from it.
post his design online for free
把设计免费发布到网上
He decided to post his design online... for free!
the result of people’s curiosity
人们好奇心的结果
Many great inventions in history are the result of people’s curiosity.
spend years studying
花多年时间研究
This strong curiosity drove him to spend years studying the sky and the earth.
play an important role in
在……中起重要作用
These achievements played an important role in the development of science.
do lots of research
做大量研究
He did lots of research.
protect … from lightning
保护……免遭雷击
This invention helps protect buildings from lightning.
三、重点句型精讲(4 个)
句型 1|动词不定式作宾语:want / decide / hope / try to do sth
结构:主语 + want/decide/hope/try + to do
课本句:He always tried to improve his work.
课本句:He decided to post his design online... for free!
易错:plan, decide, want, hope, offer, learn 后接 to do 作宾语。
仿写:我决定发明一个新杯子。→ I decided to invent a new cup.
句型 2|动名词作宾语:enjoy / keep / finish / mind doing sth
结构:主语 + enjoy/keep/finish/mind + 动词-ing
课本句:He enjoyed fixing problems one after another.
课本句:Easton kept working on it.
易错:enjoy, practise, finish, avoid, keep, mind 后只能接 doing。
仿写:我喜欢解决难题。→ I enjoy solving hard problems.
句型 3|so…that…(如此……以至于)
结构:so + 形容词 + that + 结果从句
课本句:He was so curious about space that he invented a “flying chair”!
易错:so 后接形容词或副词,that 后接从句。
仿写:他跑得太快,没人追得上。→ He ran so fast that nobody could catch up with him.
句型 4|Even though 引导的让步状语从句
结构:Even though + 从句, 主句(主句前不加 but)
课本句:Even though his curiosity didn’t lead to success, his idea gave later generations the courage to keep exploring space.
提示:even though = even if,意为“即使”。
仿写:即使失败了,也不要放弃。→ Even though you fail, don’t give up.
四、巩固练习
一、短语汉译英(15 小题)
1. 更糟糕的是 ______________
2. 能够 ______________
3. 一台 3D 打印机 ______________
4. 终于取得成功 ______________
5. 出于好奇 ______________
6. 一只假臂 ______________
7. 一个接一个 ______________
8. 伸出援手 ______________
9. 在科学博览会上 ______________
10. 做大量研究 ______________
11. 对孩子来说太重 ______________
12. 天生没有手臂 ______________
13. 努力改进作品 ______________
14. 用塑料积木做成 ______________
15. 免费发布到网上 ______________
二、用单词的适当形式填空(15 小题)
1. “I must ______ (lend) a hand to people like her.”
2. What’s worse, children like her ______ (grow) quickly.
3. Easton built it out of plastic ______ (block) and fishing line.
4. Her artificial arm was just a simple hook, but it ______ (cost) $80,000.
5. Easton kept ______ (work) on it.
6. He enjoyed ______ (fix) problems one after another.
7. He decided ______ (post) his design online for free!
8. It was able ______ (move) with brain signals of the user.
9. When we stay curious, we can always find ______ (amaze) things.
10. These achievements ______ (play) an important role in the development of science.
11. “I am only ______ (passion) curious.”
12. The girl ______ (bear) without an arm.
13. He always ______ (try) to improve his work.
14. He ______ (do) lots of research about electricity.
15. This strong curiosity ______ (drive) him to spend years studying the sky and the earth.
三、句子翻译(10 小题)
1. 这个女孩天生没有手臂。
______________________________
2. 他决定把设计免费发布到网上。
______________________________
3. 更糟糕的是,它对孩子来说太重了。
______________________________
4. 这些成就对科学的发展起了重要作用。
______________________________
5. 出于好奇,他在暴风雨中放了一个风筝。
______________________________
6. 他享受一个接一个地解决问题。
______________________________
7. 历史上许多伟大的发明都源于人们的好奇心。
______________________________
8. 伊斯顿用塑料积木和鱼线做成了它。
______________________________
9. 强烈的好奇心驱使他花多年时间研究天地。
______________________________
10. 好奇心就像一把钥匙,为我们打开学习与发现的新大门。
______________________________
五、参考答案
一、短语汉译英
1. What’s worse
2. be able to
3. a 3-D printer
4. hit on success
5. out of curiosity
6. an artificial arm
7. one after another
8. lend a hand to
9. at a science fair
10. do lots of research
11. too heavy for a child
12. be born without an arm
13. try to improve his work
14. build it out of plastic blocks
15. post his design online for free
二、用单词的适当形式填空
1. lend
must 后接动词原形。
2. grow
叙述普遍情况用一般现在时,复数主语用原形。
3. blocks
可数名词复数表示一类事物。
4. cost
cost 的过去式仍是 cost。
5. working
keep doing sth 持续做某事。
6. fixing
enjoy 后接动词-ing 作宾语。
7. to post
decide 后接 to do 作宾语。
8. to move
be able to do sth 能够做某事。
9. amazing
修饰事物用 -ing 形容词。
10. played
叙述张衡的成就,用过去式。
11. passionately
修饰形容词 curious 用副词。
12. was born
be born 生来……,过去式 was born。
13. tried
try 的过去式是 tried。
14. did
do 的过去式是 did。
15. drove
drive 的过去式是 drove。
三、句子翻译
1. The girl was born without an arm.
be born without 生来没有。
2. He decided to post his design online... for free!
decide to do sth;for free 免费。
3. What’s worse, it was too heavy for a child.
too…for 对……来说太……。
4. These achievements played an important role in the development of science.
play an important role in。
5. He flew a kite during a storm out of curiosity.
out of curiosity 出于好奇。
6. He enjoyed fixing problems one after another.
enjoy doing sth。
7. Many great inventions in history are the result of people’s curiosity.
the result of ……的结果。
8. He built it out of plastic blocks and fishing line.
build … out of 用……做成。
9. This strong curiosity drove him to spend years studying the sky and the earth.
drive sb to do;spend + 时间 + doing。
10. Curiosity works like a key. It opens new doors for us to learn and discover.
work like 像……一样起作用。
学科网(北京)股份有限公司
$