专题02 Units 3～4 重难点串讲（连词、形容词和副词的比较级和最高级、大数字）（期末复习课件）八年级英语下学期新教材人教版

这是一份人教版八年级英语下册的期末复习课件，共36页内容。以重点词句趣味导入为起点，涵盖单词短语、句型及词性转换，通过语法梳理重难专练巩固连词用法、比较级最高级及大数字表达，搭配单词拼写、句型练习等多样化习题，构建完整复习支架。 资料特色突出核心素养培养，语言能力方面通过词性转换（如advise→advice）、比较级句型（The harder...the better...）强化语言运用，思维品质上结合语境练习题（如情景填空）提升分析解决问题能力，学习能力上趣味导入激发复习兴趣。八年级学生需巩固基础提升综合能力，本资料助力学生系统梳理考点，为教师提供结构化方案，高效备考。

期末复习考点串讲 Units 1~2 人教版·八年级英语下册 目 录 语法梳理·重难专练 重点词句·趣味导入 （单词、短语、句型） 01 02 （人称代词、形容词性物主代词、名词所有格） 第一部分 重点词句·趣味导入 重点词句 13. 决定 ________ 14. 稍微 ______ 15. 解决办法 ________ 16. 霸凌 ______ 17. 感激的 _________ 18. 放松的 ______ Unit 3 根据中文写英文-— 重点单词 1. 奖品 ______ 2. 情绪 ________ 3. 难过的 ______ 4. 孤独的 ______ 5. 震惊的 _______ 6. 建议 ______ 7. 进入 ______ 8. 控制 _______ 9. 怒火 ______ 10. 原谅 ________ 11. 过错 ______ 12. 礼物 ________ award decision upset bit shocked advise enter control anger forgive fault present lonely solution bully thankful strict emotion 1. ________ v. 建议；劝告 → n. 建议；劝告 : ________ 2. ______ n. 怒火 → adj. 生气的 : ______ 3. ________ adj. 放松的 → v. 放松 : _______ → n. 放松 : __________ 4. ________ n. 决定 → v. 决定 : _________ 5. _________ v. 原谅；宽恕 → adj. 可原谅的 : ___________ 6. ________ adj. 伤感情的 → v. 伤害 : ______ 7. ______ adj. 高兴的 → n. 高兴；愉快 : ______ 8. _________ adj. 感谢的 → v. 感谢；感激 : __________ advise advice anger angry relaxed relaxation decision decide forgive forgivable hurtful hurt joyful joy thankful thank Unit 3 词性转换 重点词句 relax 重点词句 13. 探险者 ________ 14. 吸引；招引 ______ 15. 好奇的 ______ 16. 旅行者 _________ 17. 自然的 _________ 18. 海岸；海滨 ______ Unit 4 根据中文写英文-— 重点单词 1. 奇观；惊叹 _______ 2. 沙漠 ______ 3. 测量 ____________ 4. 低于 ______ 5. 高度；水平 ______ 6. 表面；表层 ______ 7. 深度 ______ 8. 潜水；跳水 ______ 9. 底部；最下部 ______ 10. 瀑布 ________ 11. 文明 ___________ 12. 好奇心 _________ wonder explorer measurement attract level surface depth dive bottom waterfall civilization curiosity below curious traveller natural coast desert 1. ________ adj. 好奇的 → n. 好奇心 : __________ 2. ______ adj. 深的 → n. 深度 : ________ 3. ________ adj. 自然的 → n. 自然 : ________ 4. __________ adj. 成功的 → adv. 成功地 : _____________ → n. 成功: _________ 5. ________ v. 生存；存活 → n. 生存；存活 : _________ 6. ________ v. 发展；壮大 → n. 发展；壮大 : ____________ 7. _________ v. 测量；量度为 → n. 措施；度量单位 : ____________ 8. ___________ v. 决心；确定 → adj. 有决心的 : __________ → n. 决心 : ____________ curious curiosity deep depth natural nature successful survive survival develop development measure measurement determine determined Unit 4 词性转换 重点词句 successfully success determination clear the air deal with in future be proud of as well get across pull together go wrong take back look on the bright side let down be hard on pass away at all costs bit by bit on purpose plenty of feel blue on top of the world in low spirits 中文提示快说短语 重点词句 解释清楚 从好的方面想 撤回；收回 出现问题 齐心协力 也；又 为…… 感到骄傲 从今以后 尽释前嫌 处理；对付 情绪低落；精神不振 欢天喜地 感到忧郁 充足；大量 故意；有意地 使失望 对…… 苛刻或过分严厉 去世 不惜任何代价 一点一点地；逐渐地 15 14 13 12 11 10 9 8 7 6 16 17 2 1 5 4 18 3 19 20 1. I haven’t decided how to __________ the problem. (处理) 2. There were _________ rides in the amusement park. We had much fun there. (大量；充足) 3. It’s ________ (正常的) to feel nervous at a job interview. 4. It was surprising to find technology is the key to ____________ (发展) in this ancient city. 5. Children have a natural ________ (好奇) towards the world around them. 6. If you practise speaking every day, your skills will improve ________. (一点一点地) deal with plenty of normal development curiosity 重点词句 单词拼写语境练 bit by bit 知识梳理·夯实基础 重点句型练 1. 这是我第一次独自旅行。 It ______ my first time __________ alone. 2. 他正在写作业，这时电话响了。 He ______ doing his homework ______ the phone rang. 3.他在那次事故中严重受伤，但现在好多了。 He _____ _______ _______ in that accident, but he is much better now. 4. 离开房间前请记得关灯。 Please remember to ______ ______ the lights before leaving the room. was traveling was when was badly hurt turn off 知识梳理·夯实基础 重点句型练 5.过马路时注意周围车辆，保持安全。 Look around for cars when crossing the street to _______ ______. 6. 探险队成功采取措施应对了突发危险。 The expedition ____________ ________ __________ to deal with sudden dangers. 7. 她决心要把自己的新想法付诸实践。 She _____ _____________ ______ put her new ideas into practice. keep safe successfully took measures is determined to 第二部分 语法梳理·重难专练 语法梳理 Unit 4 Unit 3 Comparative and superlative adjectives / adverbs（形容词与副词的比较级和最高级) Large numbers (大数字) Conjunctions (although, until, so that) (although, until 及 so that 引导的状语从句) 1. although引导的让步状语从句 语法梳理 连词 although（=though）意为“虽然；尽管；即使”，引导让步状语从句，可以放在主句前面，也可以放在主句后面。 1. Although it was late, he continued working on the project. 尽管已经很晚了，他仍继续做项目。 2. You could help him although you didn‘t let him copy your homework. 尽管你不让他抄你的家庭作业，你还是可以帮助他。 【注】在同一个句子中，连词 although-或 though 不能与but 同时出现。 14 2. until 引导的时间状语从句 语法梳理 连词 until 意为“直到⋯⋯为止；到⋯⋯时”，引导时间状语从句，常放在主句之后，也可以放在主句之前。 用法：如果主句为一般将来时，从句要用一般现在时表示将来。当主句是肯定句时，until意为“直到……为止”，主句谓语动词须用延续性动词，表示主句动作一直持续到从句动作发生。 eg. She often works in the fields until it gets dark. 她经常在田里干活到天黑。 15 2. until 引导的时间状语从句 语法梳理 用法：当主句是否定句时，not ... until … 意为“直到……才……”，主句谓语动词通常用非延续性动词，也可用延续性动词，表示直到从句动作发生了主句动作才发生。 1. We didn't go home until the rain stopped. 直到雨停了，我们才回家。 2. I won't believe it until I see it with my own eyes. 直到亲眼看见它，我才会相信它。 16 3. so that 引导的目的状语从句和结果状语从句 语法梳理 so that 意为“为了，以便”，引导目的状语从句时，一般放在主句后，且 不用逗号隔开。 1. I got up early so that I could catch the early bus. 我起得早，以便能赶上早班公共汽车。 2. You must go now so that you won't be late. 你必须现在就去，以便不会迟到。 so that 意为“因此，所以”，引导结果状语从句，其前可用逗号隔开。 He studied hard, so that he passed the exam. 他努力学习，所以通过了考试。 17 4. 比较级和最高级的构成 语法梳理 变化规则 示例（原级 → 比较级 → 最高级） 1. 一般情况，直接在词尾加 -er / -est tall → taller → tallest fast → faster → fastest 2. 以不发音的字母 e 结尾，词尾加 -r / -st nice → nicer → nicest late → later → latest 3. 重读闭音节（辅+元+辅结构）结尾，双写末尾辅音字母，再加 -er / -est big → bigger → biggest hot → hotter → hottest 4. 以 辅音字母 + y 结尾，变 y 为 i，再加 -er / -est heavy → heavier → heaviest easy → easier → easiest 5. 多音节词/部分双音节词，词前加 more / most beautiful → more beautiful → most beautiful 18 4. 比较级和最高级的构成 语法梳理 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 / further farthest / furthest old older / elder oldest / eldest 19 5. 形容词与副词的比较级的用法 语法梳理 形容词与副词的比较级常用于两者之间的比较，表示两者之间的差异。常用句型结构： （1）“主语+谓语动词+比较级 +than +比较对象”表示“某人/ 某物比比较对象如何”。 Tom is cleverer than his cousin. 汤姆比他堂弟聪明。 He runs faster than Tom. 他跑得比汤姆快。 （2）“主语+谓语动词+比较级 + thanany other +可数名词单数”表示“…… 比（同一范围内）其他任何一个……都……”。 The Yangtze River is longer than any other river in Asia. 长江比亚洲其他任何一条河都长。 20 5. 形容词与副词的比较级的用法 语法梳理 （3）“主语＋谓语动词+ the +比较级 + of the two …”表示“……是两者中较……的那个”，是特指的情况。 Jack is the thinner of the two brothers. 杰克是兄弟两人中较瘦的一个。 （4） “the +比较级.，the +比较级… ”表示“越…… ，就越……” The harder you study, the better grades you'll get. 你学习越努力，成绩就会越好。 21 5. 形容词与副词的比较级的用法 语法梳理 （5） “比较级+and+比较级”表示“越来越…… ”。 提示：多音节及部分双音节形容词或副词用于此结构时，要用“more and more +形容词/副词原级”。 Our country is becoming stronger and stronger. 我们的国家正变得越来越强大。 It's snowing more and more heavily. 雪正下得越来越大。 （6）“疑问词（组）＋谓语动词＋比较级，A or B？”表示“A和B，……更……？”。 Which (country) is bigger, China or Canada? 中国和加拿大，哪个（国家）更大？ 22 6. 形容词与副词的最高级的用法 语法梳理 形容词与副词的最高级常用于三者或三者以上的人或事（物）之间的比较。在表示最高程度，即表示其中一个在某方面“最……”时使用。在句中使用时，形容词最高级前通常加 the。句中常含有表示比较范围的介词 of 或in；of 后面一般接表示一群人或事物的代词或名词，in 后面一般接表示单位或场所的名词。常用句型结构： （1）“主语+谓语动词（+the）+最高级（+名词）+in/of... ”表示“……在某一范围内或某类人或物中（是）最……的…..…”。 This is the most amazing story of all. 这是所有故事中最令人惊叹的。 23 6. 形容词与副词的最高级的用法 语法梳理 （2）"主语+谓语动词 + one of the +形容词最高级＋复数名词+ in / of... ”，表示“……是某一范围内或某类人或物中最……的……之一”。 It is one of the widest roads in our town. 它是我们镇上最宽的路之一。 （3）"主语+谓语动词+the +序数词+形容词最高级＋名词+in / of... ”，表示“……是某一范围内/某类人或物中第……的……”。 Li Ming is the second tallest boy in our class. 李明是我们班第二高的男孩。 24 6. 形容词与副词的最高级的用法 语法梳理 （4） “疑问词+谓语动词（+the）+最高级，A, B or C? ”是最高级的选择疑问句，意为“在A、B、C中， ……最…… ？”。 Which is the biggest, the moon, the earth or the sun? 月亮、地球和太阳哪个最大？ Who sings best, Jim, Tom or Tim？ 谁唱得最好，吉姆、汤姆还是蒂姆？ 25 7. 大数的表达与读法 语法梳理 1 000以上的基数词的表示法： 先从右至左数，每三位数加一个逗点（即以把数目分为若干段）。第一个逗点前的数的单位 thousand（千），第二个逗点前的数的单位为 million（百万），第三个逗点前的数的单位为 billion（十亿）。 9,883 nine thousand, eight hundred and eighty-three 65,359 sixty-five thousand, three hundred and fifty-nine 60,263, 150 sixty million, two hundred and sixty-three thousand, one hundred and fifty 26 语法专练 (1) You won’t understand ________ you put yourself in her shoes. A. if B. until C. although D. so that (2) ________ English has a history of about 1,500 years, the first English dictionary didn’t appear until the 18th century. A. Because B. Although C. Unless D. When (3) Xu Dawei wants to pass the Civilian Mobile Library on to his son _______ it can stay open forever. A. before B. although C. so that D. if 1．单项选择 (3) The new sleeper trains between Hong Kong and Beijing may not be ________, but they’re the most comfortable. A．slower B．the fastest C．the slowest D．faster (4) If ________ people drive cars, there will be ________ air pollution. A．more; less B．much; less C．fewer; less D．less; fewer (5) Of all the students in his class, Wang Lin writes ________. A．most carefully B．most careful C．more carefully D．more careful 语法专练 2．选词填空 语法专练 1. Mr. Taylor was too tired ________ he had to stop to have a rest. 2. I will wait _______ Miss Smith comes back from work. 3. The girl is very young, ______ she can speak several foreign languages. 4. Peter worked very hard ________ he could make more money to support his family. 5. __________ I find it hard to learn English well, I won’t give it up. so until although so that but so until but so that Although 3．用单词的正确形式填空 语法专练 worse more slimmer the cleverest least best oldest 1. They found that the monkey was ____________ (clever) of all the animals. 2. —Cindy, are you feeling better now? —No, Mum. I feel even _______ (bad). 3. Last but not ______ (little), do try to get some exercise, 4. May I have _______ (much) beef because it tastes so nice? 5. The lake near my home is the _____ (good) place to go fishing. 6. You look much ________ (slim) in this black pair of trousers. 7. Zhang Shun was the ______ (old) runner to finish the 2022 Beijing Marathon. 4．按要求填空。 语法专练 1. Mount Kilimanjaro is ______ (five thousand, eight hundred and ninety-five) metres high. 2. _______ (twenty-five thousand, seven hundred and sixty-eight) cubic metres of water pours down Inga Falls each second. 3. The East African Rift Valley is about 4,000 (____________) miles long. 4. The Taklimakan Desert has a total area of about 337,000 (_____________________ ______________) square kilometres. 5895 25768 four thousand three hundred and thirty- seven thousand 高度 体积 长度 面积 Lake Natron is a lake in Tanzania, East Africa. Its water is red, and the lake is one of the _________(salt) lakes in the world. The red colour _________(come) from salt-loving organisms (生物) called halophiles. This is a _________ (nature) wonder, but also dangerous to many living things. Lake Natron is very hot. And its water can reach 60℃. The lake’s high salt levels can burn skin and even damage (损害) eyes. That’s why many animals cannot live here. But one special bird _________ flamingo, loves this lake. It builds nests on the salt islands. Every year, thousands of 5．语法填空 comes natural saltiest the 语法专练 flamingos come here _________(lay) eggs and raise their chicks. The lake gives them a safe home, _________ few animals can reach their nests. The lake’s beauty is ___________(change). Sometimes it looks red, sometimes pink, and sometimes silver or orange. This depends on the sunlight, temperature, and algae (藻类) in the water. Its colours change throughout the day and across seasons. Strong winds can also change the shape of the salt crusts. People must be careful here. Walking near the lake is _________(risk). 5．语法填空 because changeable to lay risky 语法专练 The salt crust can break, and people can fall ______ the hot, salty water. The air around the lake sometimes smells terrible because of chemicals in the water. Still, it is a magical place to visit and study, especially for ___________(science) and photographers. 5．语法填空 scientists into 语法专练 （1） Conjunctions (although, until, so that) (although, until 及 so that 引导的状语从句) （2）Comparative and superlative adjectives / adverbs（形容词与副词的比较级和最高级) （3）Large numbers (大数字) 要点总结 感谢聆听 THANKS FOR LISTENING $