Unit 8 Our Blue Planet-同步【语法】复习和练习-2025-2026学年仁爱科普版七年级英语下册

2026-05-07
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学段 初中
学科 英语
教材版本 初中英语仁爱科普版七年级下册
年级 七年级
章节 Unit 8 Our Blue Planet,Grammar in use
类型 教案-讲义
知识点 -
使用场景 同步教学-单元练习
学年 2026-2027
地区(省份) 全国
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发布时间 2026-05-07
更新时间 2026-05-07
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Unit 8 Our Blue Planet-同步【语法】复习和练习 同步【语法】复习 1、 大数读法与千位分隔(中考必考基础) 教材规则:数字>999 时,从右往左每三位加逗号,单位依次为: thousand(千)→ million(百万)→ billion(十亿) · 例: 4,600 = four thousand, six hundred 45,390 = forty-five thousand, three hundred and ninety 93,000,000 = ninety-three million 中考易错点: · 千位分隔的逗号位置:必须从右往左数三位,如 14,200,000 而非 142,000,000 · 单位顺序不能乱:million 是百万,billion 是十亿,不能混淆 2、 and 的用法(英式读法必考点) 教材规则:百位与十位 / 个位之间用 and 连接,美式常省略。 · 例: 4,186 = four thousand, one hundred and eighty-six 45,390 = forty-five thousand, three hundred and ninety 中考易错点: · 不能在千位和百位之间加 and: ✔ 4,600 = four thousand, six hundred ✘ 4,600 = four thousand and six hundred 3、 hundred/thousand/million/billion 用法(中考最高频易错点) 用法场景 规则 例句 易错陷阱 前有具体数字 词尾不加 s,不加 of three thousand students five million people ✘ three thousands students ✘ five millions of people 表示 “成百 / 成千上万” 词尾加 s,加 of thousands of people hundreds of books ✘ thousand of people ✘ hundred of books 4、 数字书写规范(中考写作 / 阅读常考) 教材要求:数字>999 时,必须用逗号分隔,便于认读: · 例:14,200,000;307,000,000;909,090,009,900 中考易错点: · 直接写长串数字不加逗号,导致认读错误 · 如:14200000 应写为 14,200,000 5、 数字与主谓一致(中考语法填空 / 单选必考点) · 当数字短语作主语时,谓语动词的单复数由中心词决定: · 例:Two thousand students are in the hall.(students 是复数,用 are) · 例:A million dollars is a lot of money.(money 不可数,用 is) 中考易错点: · 误将 thousand/million 当作中心词判断主谓一致 ✘ Two thousand is students... ✔ Two thousand students are... 6、 易混易错对比(中考高频辨析) 易混组 正确用法 错误用法 考点提示 thousand vs thousands of three thousand thousands of people three thousands thousand of people 有数字不加 s,有 of 必加 s hundred vs hundreds of five hundred hundreds of books five hundreds hundred of books 同上规则 million vs millions of two million millions of tourists two millions million of tourists 同上规则 数字读法中的 and 4,186 = four thousand, one hundred and eighty-six 4,186 = four thousand one hundred eighty-six(英式需加 and) 英式考试必须加 and,美式可省略 逗号分隔位置 45,390(从右数三位加逗号) 453,90(逗号位置错误) 中考阅读数字定位的关键 同步【语法】练习 【基础】 1、 数字英文读写填空和判断 1. 补全数字读法:45,390 → forty-five ______, three ______ and ninety 2. 补全数字读法:1,386,000,000 → one billion, three hundred and eighty-six ______ 3. 写出英文数字:14,200,000 → ________________________ 4. 写出英文数字:307,000,000 → ________________________ 5. 判断正误:There are three thousands students in our school.( )→ 改正:________ 6. 判断正误:Thousands of people visit the Great Wall every year.( ) 2、 单项选择 ( ) 1. There are about ______ students in our school. A. two thousand B. two thousands C. two thousand of ( ) 2. ______ people visit the Great Wall every year. A. Thousand of B. Thousands of C. Thousands ( ) 3. The river is about ______ long. A. 6,300 kilometer B. 6,300 kilometers C. 6,300 kilometeres ( ) 4. How ______ milk do you need? A. many B. much C. about ( ) 5. The book cost me ______ yuan. A. twenty five B. twenty-five C. twenty-fives ( ) 6. Five million ______ a lot of money. A. is B. are C. be 【提升】 1、 句型转换 1. There are three thousand students in our school.(对划线提问) ________ ________ students are there in your school? 2. The lake is 4,600 square kilometers.(对划线提问) ________ ________ is the lake? 3. Thousands of people visit the park.(改为否定句) Thousands of people ________ ________ the park. 4. She has two million books.(一般疑问句) ________ she ________ two million books? 5. Five million yuan is a lot of money.(复数句) Five ________ yuan ________ a lot of money. 6. The city has 1.4 billion people.(同义句) The ________ of the city is 1.4 billion. 2、 选词填空 thousand / thousands / million / millions / hundred / hundreds 1. Two ________ people live in this city. 2. ________ of visitors come here every year. 3. Five ________ yuan is too much. 4. ________ of stars are in the sky. 5. There are about three ________ books in the library. 6. ________ of trees are planted every spring. 【拓展】 1、 语法填空 Today we learn about numbers. The world has about 7.8 1.________ (billion) people. China has 1.4 billion. The Changjiang River is about 6,300 2.________ (kilometer) long. The Qinghai Lake is about 4,600 square 3.________ (kilometer). Every year 4.________ (thousand) of visitors go there. There are 34 provinces in China and 5.________ (twenty‑eight) provinces are near the sea. Beijing has more than 20 6.________ (million) people. 7.________ (million) of tourists visit China every year. It’s 8.________ (interest) to learn numbers. 2、 阅读短文 The Earth is a blue planet. It has about 360,000,000 square kilometers of water on it. There are four great oceans in the world. The Pacific Ocean is the biggest one. It is about 165,250,000 square kilometers. The Atlantic Ocean is the second biggest. It is about 106,460,000 square kilometers. The Indian Ocean is about 70,560,000 square kilometers. The Arctic Ocean is the smallest of all. It is only 14,056,000 square kilometers. Many sea animals live in these oceans. People also go across the oceans by ship. It is interesting to know the size of the world’s oceans. 选择题 ( ) 1. How much water is there on the Earth? A. 360,000,000 sq.km B. 165,250,000 sq.km C. 106,460,000 sq.km ( ) 2. Which ocean is the largest? A. The Pacific Ocean B. The Atlantic Ocean C. The Indian Ocean ( ) 3. How big is the Indian Ocean? A. 14,056,000 sq.km B. 70,560,000 sq.km C. 106,460,000 sq.km ( ) 4. Which is the smallest ocean? A. The Pacific Ocean B. The Arctic Ocean C. The Atlantic Ocean ( ) 5. How many oceans are talked about in the passage? A. Three B. Four C. Five ( ) 6. What’s the size of the Atlantic Ocean? A. 165,250,000 sq.km B. 70,560,000 sq.km C. 106,460,000 sq.km 参考答案和解析 【基础】 一、数字英文读写填空和判断 1. 答案:thousand; hundred 解析:45,390 读作 forty-five thousand, three hundred and ninety。forty-five thousand 表示 “四万五千”,three hundred and ninety 表示 “三百九十”,中间用逗号分隔。 2. 答案:million 解析:1,386,000,000 读作 one billion, three hundred and eighty-six million。数字从右往左每三位为一组,单位依次为 thousand(千)、million(百万)、billion(十亿),1,386,000,000 中 386 对应百万位,故填 million。 3. 答案:fourteen million, two hundred thousand 解析:14,200,000 读作 fourteen million, two hundred thousand。14,000,000 是 fourteen million,200,000 是 two hundred thousand。 4. 答案:three hundred and seven million 解析:307,000,000 读作 three hundred and seven million。307 是 three hundred and seven,对应百万位,整体为 three hundred and seven million。 5. 答案:×;改正:There are three thousand students in our school. 解析:当 thousand 前有具体数字时,不加 s,所以 three thousands 是错误的,应改为 three thousand。 6. 答案:√ 解析:Thousands of 是固定搭配,表示 “成千上万的”,用于修饰复数名词 people,用法正确。 二、单项选择 1. 答案:A 解析:具体数字 + thousand 原形,不加 s、不加 of; two thousand 两千,two thousands / two thousand of 用法错误。 2. 答案:B 解析:表示成千上万的、模糊数量,用固定搭配 thousands of; Thousand of 形式错误,Thousands 后面缺 of 不能直接修饰名词。 3. 答案:B 解析:6300 是大于 1 的数词,kilometer 要用复数 kilometers; C 选项拼写错误,无 kilometeres 这种写法。 4. 答案:B 解析:milk 是不可数名词,用 how much 提问数量; how many 只修饰可数名词复数。 5. 答案:B 解析:几十几的英文表达要加连字符 twenty-five; A 缺连字符,C 不能加 s。 6. 答案:A 解析:表示金钱、距离、时间、重量等整体数量作主语时,视作单数,be 动词用 is。 【提升】 一、句型转换 1. 答案:How many 解析:划线部分 three thousand 是可数名词数量,对可数名词数量提问用 How many。 2. 答案:How big 解析:划线 4,600 square kilometers 是面积大小,询问面积 / 规模用 How big。 3. 答案:don’t visit 解析:一般现在时,主语是复数,变否定句加 don’t,后面跟动词原形 visit。 4. 答案:Does; have 解析:主语 She 三单,一般疑问句助动词用 Does,后面动词还原为原形 have。 5. 答案:millions; are 解析:变复数句:million 变 millions;主语变为复数,be 动词改用 are。 6. 同义句答案: The city has a population of 1.4 billion. 解析:表达 “某地有多少人口”,固定同义句式: 主语 + have/has a population of + 数字 替代原句直译表达,是标准人口同义转换句型。 二、选词填空 1. 答案:million 解析:前面有具体数字 Two,单位词用单数,two million people 表示 “两百万人”。 2. 答案:Thousands(或 Hundreds/Millions,最常用为 Thousands) 解析:后面有 of,表示 “成百上千 / 成千上万 / 数百万的” 模糊数量,单位词需用复数,且首字母大写,Thousands of visitors 是固定搭配。 3. 答案:million 解析:前面有具体数字 Five,单位词用单数,five million yuan 表示 “五百万元”。 4. 答案:Millions(或 Thousands,最常用为 Millions) 解析:后面有 of,表示模糊数量,单位词用复数且首字母大写,Millions of stars 表示 “数百万颗星星”,更贴合语境。 5. 答案:hundred /thousand 解析:前面有具体数字 three,单位词用单数,three hundred/thousand books 表示 “三百 / 三千本书”,都符合语法。 6. 答案:Thousands / Hundreds / Millions 解析:后面有 of,表示模糊数量,单位词用复数且首字母大写,Thousands of trees 表示 “成千上万棵树”,最贴合语境。 【拓展】 1. 答案:billion 解析:前面有具体数字 7.8,billion 表示 “十亿” 时,前有具体数字需用单数形式,不加 s。 2. 答案:kilometers 解析:前面的数字 6,300 大于 1,可数名词 kilometer(千米)需要变为复数形式 kilometers。 3. 答案:kilometers 解析:4,600 是大于 1 的数字,且前面有 square(平方)修饰,kilometer 要用复数形式 kilometers,构成 square kilometers(平方千米)。 4. 答案:thousands 解析:表示模糊数量 “成千上万的” 时,要用固定搭配 thousands of,thousand 必须变复数并搭配 of。 5. 答案:twenty-eight 解析:表示 “二十八”,几十几的英文表达需要用连字符连接,即 twenty-eight。 6. 答案:million 解析:前面有具体数字 20,million 表示 “百万” 时,前有具体数字需用单数形式,不加 s。 7. 答案:Millions 解析:表示模糊数量 “数百万的” 时,要用固定搭配 millions of,句首单词首字母需大写,因此填 Millions。 8. 答案:interesting 解析:句型 It's + 形容词 + to do sth. 中,形容词用来描述事物(learn numbers),表示 “有趣的” 用 interesting;interested 多用来描述人 “感兴趣的”。 二、阅读短文 1. 答案:A 解析:短文第一句明确说出地球水域面积是 360,000,000 平方千米。 2. 答案:A 解析:文中提到 The Pacific Ocean is the biggest one. 太平洋是最大的大洋。 3. 答案:B 解析:原文直接给出印度洋面积:70,560,000 square kilometers。 4. 答案:B 解析:文中 The Arctic Ocean is the smallest of all. 北冰洋是最小的。 5. 答案:B 解析:文中提到太平洋、大西洋、印度洋、北冰洋,一共4 个大洋。 6. 答案:C 解析:原文给出大西洋面积:106,460,000 square kilometers。 学科网(北京)股份有限公司 $

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Unit 8 Our Blue Planet-同步【语法】复习和练习-2025-2026学年仁爱科普版七年级英语下册
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Unit 8 Our Blue Planet-同步【语法】复习和练习-2025-2026学年仁爱科普版七年级英语下册
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Unit 8 Our Blue Planet-同步【语法】复习和练习-2025-2026学年仁爱科普版七年级英语下册
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