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八年级下册英语Unit 4 知识点（背诵版）
一、重点单词
1.wonder (n. / v.) 奇观；想知道→ wonderful (adj.) 精彩的
2. measurement (n.) 测量；尺寸 → measure (v.) 测量
3. below (prep. & adv.) 在……下面；低于 → above (prep. & adv.) 在……上面；
4. deep (adj.) 深的→ depth (n.) 深度
5. usual (adj.) 通常的→ unusual (adj.) 不寻常的
6. develop (v.) 发展→ development (n.) 发展
7. climb (v.) 爬；攀登→ climber (n.) 登山者；攀登者
8. north (n.) 北；北方→ northern (adj.) 北方的；北部的
9. survive (v.) 生存；存活→ survival (n.) 生存；幸存
10. condition (n.) 条件；状况 短语：in good condition 状况良好
11. change (v. & n.) 改变→ changeable (adj.) 易变的
12. die (v.) 死亡 → death (n.) 死亡
13. determined (adj.) 有决心的
短语：be determined to do sth. 下定决心做某事
14. succeed (v.) 成功→ success (n.) 成功→ successful (adj.) 成功的→ successfully (adv.) 成功地
15. risk (n. & v.) 风险；冒险 → risky (adj.) 有风险的
16. curious (adj.) 好奇的 → curiosity (n.) 好奇心
17. explore (v.) 探索；探险 → explorer (n.) 探险家；探索者
18. simple (adj.) 简单的 → simply (adv.) 简单地；仅仅
19. south (n.) 南；南方 → southern (adj.) 南方的；南部的
20. travel (v. & n.) 旅行 → traveler (n.) 旅行者
21. nature (n.) 自然；大自然 → natural (adj.) 自然的
22. include (v.) 包含；包括 → including (prep.) 包括
23. alive (adj.) 活着的；有活力的
二、重点短语
1. sea level 海平面 2. at all costs 不惜一切代价
3. bit by bit 一点一点地；逐渐地 4. take risks 冒险
5. be curious about 对……好奇
三、重点语法
（一）.形容词 / 副词比较级、最高级
英语形容词比较级和最高级构成规则表
规则变化 原级 比较级 (-er) 最高级 (-est)
一般单音节，直接 + er / est tall taller tallest
以 e 结尾，+ r / st nice nicer nicest
重读闭音节（辅+元+辅），双写尾字母 + er / est big bigger biggest
辅音 + y，变 y 为 i + er / est heavy heavier heaviest
多音节 / 部分双音节，more / most + 原词 beautiful more beautiful most beautiful
2. 不规则变化
英语形容词和副词的原级、比较级和最高级
原级 比较级 最高级
good / well better best
bad / ill worse worst
many / much more most
little less least
far farther farthest
3. 常用句型
（1）- A + be + 比较级 + than + B
- the + 比较级, the + 比较级（越……越……）
（2）比较级 + and + 比较级（越来越……）
（3）one of the + 最高级 + 名词复数（最……之一）
（4）the + 最高级 + 范围（in / of…） ---
（二）数字读法
1.整数读法 - 8848 → eight thousand eight hundred and forty-eight
2. 带小数点的读法，小数点读 point，小数点后逐个读数字：- 8848.86 → eight thousand eight hundred and forty-eight point eight six
四、重点必背句型
A/B 组（基础必背）
What's the highest place on earth 地球上最高的地方是什么？
It's Mount Qomolangma. 是珠穆朗玛峰。
How high is it 它有多高？
It's 8848.86 meters high. 它高8848.86米。
C/D 组（提升背诵句）
Some deep sea animals are blind, but they can see as well as others. 一些深海动物没有视力，但它们的感知能力和其他动物一样好。
Mount Qomolangma is one of the greatest wonders of the world, and it's still growing taller. 珠穆朗玛峰是世界上最伟大的奇观之一，而且它还在不断变高。
On the highest place on earth, you will feel like you are able to touch the sky. 在地球上最高的地方，你会感觉仿佛能触碰到天空。
6.It's because human curiosity and ambition can't be stopped. 这是因为人类的好奇心和雄心是无法被阻挡的。
Unit 4 作文
题目：The Yellow River — A Great Wonder
范文：
The Yellow River is one of the greatest wonders in China. It is the second longest river in our country. It is about 5,464 kilometers long. The river is very deep and powerful. I include it because it's a symbol of Chinese culture. You will feel amazed when you see it. Don't miss it!
八年级下册英语Unit 4 知识点（默写版）
一、重点单词
1 (n. / v.) 奇观；想知道→ (adj.) 精彩的
2. measurement (n.) 测量；尺寸 → (v.) 测量
3. (prep. & adv.) 在……下面；低于 → (prep. & adv.) 在……上面；
4. deep (adj.) 深的→ (n.) 深度
5. usual (adj.) 通常的→ (adj.) 不寻常的
6. develop (v.) 发展→ (n.) 发展
7. climb (v.) 爬；攀登→ (n.) 登山者；攀登者
8. north (n.) 北；北方→ (adj.) 北方的；北部的
9. (v.) 生存；存活→ survival (n.) 生存；幸存
10. (n.) 条件；状况
短语：in good condition 状况良好
11. change (v. & n.) 改变→ (adj.) 易变的
12. die (v.) 死亡 → (n.) 死亡
13. (adj.) 有决心的
短语：be determined sth. 下定决心做某事
14. succeed (v.) 成功→ success (n.) 成功→ (adj.) 成功的→ (adv.) 成功地
15. risk (n. & v.) 风险；冒险 → (adj.) 有风险的
16. curious (adj.) 好奇的 → (n.) 好奇心
17. explore (v.) 探索；探险 → (n.) 探险家；探索者
18. simple (adj.) 简单的 → (adv.) 简单地；仅仅
19. south (n.) 南；南方 → (adj.) 南方的；南部的
20. travel (v. & n.) 旅行 → (n.) 旅行者
21. nature (n.) 自然；大自然 → (adj.) 自然的
22. (v.) 包含；包括 → including (prep.) 包括
23. (adj.) 活着的；有活力的
二、重点短语
1. 海平面 2. 不惜一切代价
3. 一点一点地；逐渐地 4. 冒险
5. 对……好奇
三、重点语法
（一）.形容词 / 副词比较级、最高级
英语形容词比较级和最高级构成规则表
规则变化 原级 比较级 (-er) 最高级 (-est)
一般单音节，直接 tall
以 e 结尾，+ nice
重读闭音节（辅+元+辅）， big
辅音 + y， heavy
多音节 / 部分双音节， beautiful
2. 不规则变化
英语形容词和副词的原级、比较级和最高级
原级 比较级 最高级
good / well
bad / ill
many / much
little
far
3. 常用句型
（1）- A + be + + than + B
- the + , the + （越……越……）
（2） + and + （越来越……）
（3）one of the + + （最……之一）
（4）the + 最高级 + 范围（ / …）
（二）数字读法
1. 整数读法 - 8848 →
2. 带小数点的读法，小数点读 point，小数点后逐个读数字：- 8848.86 →
四、重点必背句型
A/B 组（基础必背）
What's the highest place on earth 地球上最高的地方是什么？
It's Mount Qomolangma. 是珠穆朗玛峰。
How high is it 它有多高？
It's 8848.86 meters high. 它高8848.86米。
C/D 组（提升背诵句）
Some deep sea animals are blind, but they can see as well as others. 一些深海动物没有视力，但它们的感知能力和其他动物一样好。
Mount Qomolangma is one of the greatest wonders of the world, and it's still growing taller. 珠穆朗玛峰是世界上最伟大的奇观之一，而且它还在不断变高。
On the highest place on earth, you will feel like you are able to touch the sky. 在地球上最高的地方，你会感觉仿佛能触碰到天空。
It's because human curiosity and ambition can't be stopped. 这是因为人类的好奇心和雄心是无法被阻挡的
八年级下册英语 Unit 4 基础训练题
1.Mount Qomolangma is ______ highest mountain in the world and it's ______ great wonder.
A. a; the B. the; a C. the; the D. /; a
2.The population of Shanghai is ______ than that of Shenyang.
A. more B. fewer C. larger D. smaller
3.The harder you study, ______ grades you will get.
A. good B. better C. the better D. the best
4.Our city is becoming ______. More and more trees are being planted.
A. beautiful and beautiful B. more and more beautiful
C. most and most beautiful D. the most beautiful
5.Qomolangma is one of ______ for mountain climbers.
A. popular places B. the most popular places
C. more popular place D. the most popular place
6. The Caspian Sea is the deepest ______ all the salt lakes.
A. of B. in C. at D. for
7.The Amazon River is not as ______ as the Nile.
A. long B. longer C. longest D. the longest
8.This wall is about 8,852 kilometers ______.
A. wide B. tall C. high D. long
9. The ______ of this elephant is about 5,000 kilos.
A. high B. height C. weigh D. weight
10. The boy is ______ to go to school. He is only three years old.
A. enough young B. young enough C. enough old D. old enough
11. He is very ______. He always wants to know everything.
A. curious B. simple C. usual D. determined
12. The explorer tried his best to ______ the dangerous forest.
A. wonder B. develop C. explore D. include
13. ______ a dangerous situation, you should keep calm and ask for help.
A. On B. At C. In D. To
14. The old man is still ______ after the serious illness. It's a miracle.
A. live B. alive C. living D. lively
15. The tour includes a visit to the science museum. The ______ is free.
A. including B. include C. inclusion D. included
二、用所给单词的适当形式填空 (10分)
1.It's a __________ (wonder) movie. Everyone likes it.
2.The __________ (deep) of the river is about 10 meters.
3.The weather here is very __________ (change) in spring.
4.They climbed the mountain __________ (successful) after trying three times.
5. Her __________ (curious) about nature led her to become a biologist.
6. He is a famous __________ (explore) and has been to the South Pole.
7.The __________ (develop) of AI technology is changing our lives.
8.He is a __________ (determine) person. Once he makes a decision, he will never give up.
9.The museum has many __________ (nature) wonders on display.
10. Ten people were hurt in the accident, __________ (include) a baby.
三、汉译英 (根据汉语提示补全句子，每空一词) (10分)
1.珠穆朗玛峰是世界上最伟大的奇观之一。
Mount Qomolangma is __________ __________ the greatest __________ of the world.
2.它高8848.86米，而且还在不断变高。
It's 8848.86 meters __________, and it's still growing __________.
3.在地球上最高的地方，你会感觉仿佛能触碰到天空。
On the highest place on earth, you will feel like you are able to _______ the ______.
4.这是因为人类的好奇心和雄心是无法被阻挡的。
It's __________ human __________ and ambition can't be stopped.
5.他下定决心不惜一切代价去保护这些野生动物。
He is __________ __________ protect these wild animals __________ __________ _________.
参考答案
一、1-5 BCCBB 6-10 AADDB 11-15 ACCBC
二、1. wonderful 2. depth 3. changeable 4. successfully 5. curiosity 6. explorer 7. development 8. determined 9. natural 10. including
三、1. one of, wonders 2. high, taller 3. touch, sky 4. because, curiosity 5. determined to, at all cost

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