八年级英语Unit7知识点有哪些核心考点？

Unit 7 核心知识点总结

核心语法：形容词和副词的最高级

这是本单元的重中之重,必须彻底掌握。

定义： 最高级表示在三者或三者以上的人或物中进行比较，最...”的一个。

构成规则：

类别	构成方法	原级	比较级	最高级	例句
单音节词和部分双音节词	直接加 -est	tall (高的)	taller	tallest	Qomolangma is the tallest mountain in the world.
		long (长的)	longer	longest	The Yangtze River is the longest river in China.
		old (老的)	older	oldest	This is the oldest building in our town.
以 -e 结尾	直接加 -st	nice (好的)	nicer	nicest	This is the nicest gift I've ever received.
		large (大的)	larger	largest	It is the largest island in the world.
以“辅音 + y”结尾	变 y 为 i，再加 -est	happy (开心的)	happier	happiest	She is the happiest girl in our class.
		easy (容易的)	easier	easiest	This is the easiest question.
以“元音 + 单个辅音”结尾	双写辅音，再加 -est	big (大的)	bigger	biggest	The elephant is the biggest land animal.
		hot (热的)	hotter	hottest	Summer is the hottest season.
多音节词和部分双音节词	在词前加 most	beautiful (美丽的)	more beautiful	most beautiful	The peacock is the most beautiful bird.
		expensive (昂贵的)	more expensive	most expensive	This is the most expensive car.
		interesting (有趣的)	more interesting	most interesting	This is the most interesting book I've ever read.
不规则变化	需要单独记忆	good / well (好的)	better	best	This is the best movie I've ever seen.
		bad / badly (坏的)	worse	worst	It was the worst day of my life.
		many / much (许多)	more	most	He has the most books in our class.
		little (少)	less	least	He has the least money of us all.
		far (远)	farther / further	farthest / furthest	This is the farthest point from the city center.

用法：

• 结构：the + 最高级 + 比较范围

  • 比较范围通常由 in + 地点 (在...范围内) 或 of + 人/物 (在...之中) 引导。
  • • Qomolangma is the highest mountain in the world. (珠穆朗玛峰是世界上最高的山。)
      • the highest (最高级) + in the world (比较范围)
    • She is the tallest of the three girls. (她是三个女孩中最高的。)
      • the tallest (最高级) + of the three girls (比较范围)

• 注意：

  
  （图片来源网络，侵删）
  • 最高级前通常要加定冠词 the。
  • 形容词最高级作表语时，the 常可省略。Mount Qomolangma (is) the highest of all the mountains.

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核心词汇与短语

重点名词:

• Qomolangma 珠穆朗玛峰
• Himalayas 喜马拉雅山脉
• square n. 广场；平方 (adj. 正方形的)
• condition n. 条件；状况
• achievement n. 成就；功绩
• challenge n. 挑战 v. 挑战
• nature n. 自然；自然界
• wide adj. 宽的；宽阔的
• strength n. 力量；长处
• ancient adj. 古代的；古老的
• protect v. 保护
• succeed v. 成功
• record n. 记录；唱片 v. 录制；记录
• force n. 力；力量 v. 强迫

重点形容词:

• high (高度) - higher - highest
• long (长度) - longer - longest
• deep (深度) - deeper - deepest
• big (体积) - bigger - biggest
• large (大小) - larger - largest
• old (年龄) - older - oldest
• heavy (重量) - heavier - heaviest
• difficult (难度) - more difficult - most difficult
• expensive (价格) - more expensive - most expensive
• popular (受欢迎程度) - more popular - most popular
• famous (名气) - more famous - most famous

重点动词与短语:

• reach v. 到达；伸手够到
• achieve one's dream 实现某人的梦想
• give up 放弃
• in the face of danger 面对危险
• take in air 吸入空气
• **the spirit of the... ...的精神 (e.g., the spirit of climbers 登山者的精神)
• even though 虽然；即使
• at birth 出生时
• up to 多达；直到
• cut down 砍倒
• pay attention to 注意；关注
• endangered adj. 濒危的
• in danger 处于危险之中
• protect...from... 保护...免受...
• in fact 事实上
• loss n. 损失；遗失
• in return 作为回报
• cut down 砍伐 (树木)

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重点句型

提问最高级:

• Which is + 最高级 + ...?
  • Which is the deepest ocean in the world? (世界上最深的大洋是哪个？)
• How + 形容词/副词 + ...? (用于询问程度)
  • How high is Qomolangma? (珠穆朗玛峰有多高？)
  • How old is this ancient building? (这座古老的建筑有多老了？)

描述最高级:

• 主语 + be动词 + the + 最高级 + 比较范围.
  • The Sahara is the biggest desert in the world. (撒哈拉是世界上最大的沙漠。)
• 主语 + 动词 + the + 最高级 + (that) + 主语 + have ever + 过去分词. (这是...曾经做过的最...的)
  • This is the most interesting book (that) I have ever read. (这是我读过的最有趣的书。)
  • He is the bravest boy (that) I have ever met. (他是我见过的最勇敢的男孩。)

表达观点和感受:

• I think... is the most... (我认为...是最...)
  • I think pandas are the cutest animals. (我认为熊猫是最可爱的动物。)
• It's + 形容词 + for sb. + to do sth. (对某人来说做某事是...)
  • It's dangerous to climb Qomolangma. (攀登珠穆朗玛峰是危险的。)
• It's + 形容词 + of sb. + to do sth. (某人做某事是...的，强调品德)
  • It's very brave of them to try to climb it. (他们尝试攀登它，非常勇敢。)

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课文与阅读文章核心内容

通常本单元会包含以下几篇核心文章：

1. The Power of Nature: Qomolangma (自然的力量：珠穆朗玛峰)

   • 介绍珠穆朗玛峰的高度、位置、攀登难度和危险性，强调它不仅仅是一座山,更是一种挑战和象征。
   • high, dangerous, challenge, spirit of climbers, in the face of danger, give up。

2. Saving the Asian Elephant (拯救亚洲象)

   • 讨论亚洲象面临的生存危机（栖息地丧失、偷猎等），以及人们为保护它们所做的努力（建立保护区、法律保护等）。
   • endangered, in danger, loss of homes, cut down trees, protect...from..., in fact, in return。

3. The Spirit of Explorers (探险家的精神)

   • 可能讲述一位著名探险家（如阿蒙森、斯科特）的故事，强调他们为了目标坚持不懈、勇于挑战的精神。
   • achieve one's dream, succeed, even though, give up, challenge。

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学习建议

1. 语法优先: 务必把形容词和副词最高级的构成规则和用法背熟、练透,这是考试的重点和难点。
2. 词汇归类: 不要孤立地背单词，把同类的词（如描述大小、长短、高低、价格的词）放在一起记忆,并结合最高级形式来记。
3. 句型模仿: 多使用 the + 最高级 + in/of... 的句型来造句，描述你身边的事物。My mother is the busiest person in my family.
4. 语境理解: 在学习课文时，不要只关注单词意思，要理解文章的整体脉络和作者想表达的情感（如对自然的敬畏、对生命的保护等）。
5. 听力与口语: 找一些关于世界纪录、自然奇观的英文短视频或文章来听，尝试用最高级来描述你看到的内容。This is the most amazing waterfall I've ever seen!

希望这份总结能帮助你更好地掌握 Unit 7 的知识！祝你学习进步！