Unit 8 Our Blue Planet 核心单词,词性转换,短语,语法,句型精练-2025-2026学年七年级英语下册单元重难点易错题精练（仁爱科普版）

班级 姓名 学号 分数 Unit 8 Our Blue Planet 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 1、 用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．The (deep) of the swimming pool is two meters. 【答案】depth 【详解】句意：这个游泳池的深度是两米。结合所给词deep“深的”及定冠词the可知，此处应填其名词形式depth“深度”，表示游泳池的深度，the depth of...意为“……的深度”。故填depth。 2．By (recycle) waste paper, we can save a lot of trees. 【答案】recycling 【详解】句意：通过回收废纸，我们可以挽救很多树。“by”是介词，后面接动词的ing形式。故填recycling。 3．In the school handicraft club, Li Ming uses red paper (collect) good luck. 【答案】to collect 【详解】句意：在学校手工艺俱乐部，李明用红纸收集好运。根据“collect good luck”可知，此处表示“收集好运”这一目的，应用动词不定式作目的状语。故填to collect。 4．The (pollute) in the city is getting more and more serious. We must do something. 【答案】pollution 【详解】句意：这个城市的污染越来越严重了。我们必须做点什么。分析句子可知，“The... in the city”在句中作主语，所以填名词pollution，意为“污染”。故填pollution。 5．We should take (act) to protect wild animals. 【答案】action 【详解】句意：我们应该采取行动保护野生动物。take action to do sth“采取行动做某事”。故填action。 6．Please come here and (show) us what you can do. 【答案】show 【详解】句意：请过来这里，向我们展示你能做什么。句子为祈使句，后接并列动作，动词需保持原形。故填show。 7．We should develop the good habit of (save) water. 【答案】saving 【详解】句意：我们应该养成节约用水的好习惯。根据“the good habit of”可知，此处使用动名词作宾语，save“节约”，动词，其动名词形式为saving。故填saving。 8．There (be) a lot of useful information in this book. 【答案】is 【详解】句意：这本书里有很多有用的信息。根据句子结构可知，此句为there be句型，表示“有……”，需遵循就近原则。空后“information”为不可数名词，且根据语境可知，句子时态为一般现在时，故be动词用is。故填is。 9．All living things need water (grow). 【答案】to grow 【详解】句意：所有生物都需要水来生长。 need sth. to do sth.是固定搭配，意为“需要某物做某事”，故填to grow。 10．Water is very (use) in our daily life. 【答案】useful 【详解】句意：水在我们的日常生活中非常有用。“is”是系动词，后面需要接形容词作表语。use是动词，其形容词形式“useful”符合语法规则和语境。故填useful。 11．Ice (turn) into water when the temperature rises. 【答案】turns 【详解】句意：冰在温度升高时会变成水。句子描述的是客观事实，用一般现在时，主语“Ice”是第三人称单数，所以“turn”用第三人称单数形式turns。故填turns。 12．As a matter of fact, the Earth (provide) a home for all living things. 【答案】provides 【详解】句意：事实上，地球为所有生物提供了一个家园。根据“As a matter of fact, the Earth... (provide) a home for all living things.”可知，句子描述的是客观事实，应用一般现在时。主语the Earth是第三人称单数，谓语动词需用第三人称单数形式，provide的第三人称单数是provides。故填provides。 13．Look! There are some boys (run) on the playground. 【答案】running 【详解】句意：看！操场上有一些男孩正在跑步。句首有“Look!”，提示动作正在进行，需用“there be +主语+ doing sth.”结构，表示“某地有某人/某物正在做某事”；因此，其中“doing sth.”是现在分词短语，作后置定语，修饰主语“some boys”；因此，这里应用run的现在分词形式running。故填running。 14．Tom, (cheer) up. It’s just a basketball game. 【答案】cheer 【详解】句意：汤姆，振作起来。这只是一场篮球比赛。此处是祈使句的肯定形式，空处应是动词原形。故填cheer。 15．A 12-year-old boy (call) Tom won the first prize in the competition. 【答案】called 【详解】句意：一个叫汤姆的12岁男孩在比赛中获得一等奖。a boy called Tom表示“一个叫汤姆的男孩” ，called在这里是过去分词作后置定语，表被动。故填called。 16．Look! There are some birds (fly) in the sky. 【答案】flying 【详解】句意：看啊！天空中有一些鸟在飞。根据分析句子可知，该句结构为：There be +主语+ doing sth.表示“有某人/某物正在做某事” ，所以用fly的现在分词形式flying。故填flying。 17．It’s getting dark. We’d better (start) to go home. 【答案】start 【详解】句意：天黑了。我们最好开始回家。had better do sth.“最好做某事” ，所以用start的原形。故填start。 18．She spends two hours (do) her homework every day. 【答案】doing 【详解】句意：她每天花两个小时做作业。spend time doing sth. 是固定搭配，表示“花时间做某事”。故填doing。 19．It’s about 100 (kilometer) from the school to the airport. 【答案】kilometers 【详解】句意：从学校到机场大约100千米。kilometer“千米”，可数名词，100后接可数名词复数形式。故填kilometers。 20．The coffee shop sells (thousand) of cups of coffee every day. 【答案】thousands 【详解】句意：这家咖啡店每天卖出数千杯咖啡。thousands of是固定搭配，表示“数以千计的”。故填thousands。 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．Please look at some (信息) below. 【答案】information 【详解】句意：请查看以下一些信息。information“信息”，不可数名词。故填information。 22．Our country will celebrate her (八十) birthday this October. 【答案】eightieth 【详解】句意：今年十月，我国将庆祝她的八十大寿。中文“八十”对应的英文基数词是“eighty”，句子中“birthday”表示“周年纪念日”，因此需要使用序数词形式eightieth。故填eightieth。 23．The Yangtze River is about 80 kilometers (宽) at some places. 【答案】wide 【详解】句意：长江在某些地方大约有80公里宽。wide“宽的”，形容词作后置定语，修饰80 kilometers。故填wide。 24．Our (行星) looks blue in the sky. 【答案】planet 【详解】句意：我们的星球看起来是蓝色的。“行星”planet，由“looks”可知，此处用单数形式。故填planet。 25．About 99 (百分比) of water on the earth is sea water or ice. 【答案】percent 【详解】句意：地球上约99%的水是海水或冰。”percent“百分比”，一般用单数形式。故填percent。 26．The washing (机器) doesn’t work. I want to buy a new one. 【答案】machine 【详解】句意：洗衣机坏了。我想买一个新的。machine“机器”，作主语，由doesn’t可知，此处用名词单数。故填machine。 27．Don’t (扔) away the old books. We can give them to the library. 【答案】throw 【详解】句意：不要扔掉旧书。我们可以把它们送给图书馆。根据中文提示可知，此处使用动词短语“throw away”，意思是“扔掉”；“Don’t”用于祈使句的否定形式，后面接动词原形，表示“不要做某事”，所以此处用动词原形throw。故填throw。 28．Miss Smith gave me some (建议) on how to learn English well. 【答案】advice/suggestions 【详解】句意：史密斯小姐给了我一些关于如何学好英语的建议。空格前有some，说明需要填可数名词复数或不可数名词；括号内中文提示是“建议”，对应英文是suggestions（可数名词复数）或advice（不可数名词）。故填advice/ suggestions 29．Let me (介绍) my friend Judy. 【答案】introduce 【详解】句意：让我介绍我的朋友朱迪。根据题意和汉语提示可知，introduce“介绍”，动词，且let sb. do sth.“让某人做某事”，固定短语，所以，此处应用原形introduce。故填introduce。 30．I can see green hills (在……外面) the window of my bedroom. 【答案】outside 【详解】句意：我能看到卧室窗外的青山。outside“在……外面”，介词。故填outside。 三、完成句子(本大题共10小题，每小题3分，共30分) 31．紫禁城占地大约72万平方米。 The Forbidden City is about 720,000 . 【答案】 square meters 【详解】“平方米”的表达为square meter，720,000后面的名词meter要用复数形式，故填square；meters。 32．淡水对我们非常重要。 is very important us. 【答案】 Fresh water to 【详解】fresh water“淡水”；be important to“对……重要”。故填Fresh；water；to。 33．如今的学生需要培养独自思考的习惯。 Students today should thinking by themselves. 【答案】 develop the habit of 【详解】根据中英文对照可知，空处缺少了“培养……的习惯”，英文表达为develop the habit of，情态动词should后面加动词原形。故填develop；the；habit；of。 34．下个星期六我们将去公园捡垃圾。 Next Saturday, . 【答案】we will go to the park to pick up litter 【详解】“Next Saturday（下个星期六）”表明句子用一般将来时，结构为“will + 动词原形” ；“去公园”是“go to the park” ，“捡垃圾”是“pick up litter” ，此处用动词不定式“to pick up litter”表目的 。故填we will go to the park to pick up litter。 35．那是我们的班规之一。 That’s our class . 【答案】 one of rules 【详解】one of the+复数名词“……之一”，class rules“班规”。故填one；of；rules。 36．请开一下电视，托尼想看足球比赛。 Please the TV. Tony wants to watch the football game. 【答案】 turn on 【详解】这里需要填写表示“打开”的动词短语，turn on是固定搭配，译为“打开”，本句是祈使句（表示请求），因此用动词原形。故填turn；on。 37．让我们共同努力，让这个世界变得更加有序，更加美好。 together to make the world more orderly and beautiful. 【答案】 Let’s work 【详解】Let’s表示“让我们”，后接动词原形；work表示“工作/努力”，故填Let’s；work。 38．他一周只能快速洗一次澡。 He can only a quick once a week. 【答案】 take shower 【详解】“洗淋浴”表达成“take a shower”，且情态动词“can”后加动词原形。故填take；shower。 39．所有生物都需要水来生长。 All living things water grow. 【答案】 need to 【详解】根据中英文提示可知，此处使用need sth. to do sth. “需要某物做某事”，句子描述的是客观事实，用一般现在时，主语All living things为复数，谓语动词用原形need。故填need；to。 40．杰克逊一家正在海滩上玩得很开心。 The Jacksons are the beach. 【答案】 having fun on 【详解】“玩得开心”常用短语为have fun，表示正在进行用现在进行时“are having fun”；“在海滩上”用介词短语on the beach。故填having；fun；on。 四、短文填空(本大题共20小题，每小题2分，共40分) 阅读下面短文，根据语境在每个空格内填入一个恰当的词，或填入括号中所给单词的适当形式（不超过两个词），要求所填的词意义准确、形式正确，使短文意思完整、行文连贯。 If we look at our planet from a great distance (距离), it is blue. Blue is 41 color of the ocean, and the ocean 42 (cover) about 71% of our planet’s surface (表面). More 43 (animal) live in the ocean than on land. There 44 (be) a lot of food in the ocean. The most important food in the ocean is plants. If we take 45 (they) all away, very few animals can live there. Plants in the ocean need clean water and sunlight 46 (grow). But now, there is too much rubbish in the ocean. Many plants and animals die (死亡) 47 the water is too dirty. The ocean is home to millions of species (物种). It is very important to 48 (human), too. It provides food, water, and even the air 49 people. If we want to protect our planet, we can start with 50 (protect) the ocean. 【答案】 41．the 42．covers 43．animals 44．is 45．them 46．to grow 47．because 48．humans 49．for 50．protecting 【导语】本文介绍了地球表面71%被海洋覆盖，海洋是众多生物的家园，其中植物是海洋食物链的基础。然而，海洋污染导致大量动植物死亡。海洋对人类至关重要，提供食物、水和空气。保护地球应从保护海洋开始。 41．句意：蓝色是海洋的颜色，海洋覆盖了我们地球表面大约71%的面积。根据“Blue is...color of the ocean”可知，此处是特指海洋的颜色，需要用定冠词the来修饰名词color，表示特指，故填the。 42．句意：蓝色是海洋的颜色，海洋覆盖了我们地球表面大约71%的面积。根据“and the ocean...about 71% of our planet’s surface”可知，句子描述的是客观事实，所以时态为一般现在时，主语“the ocean”是第三人称单数，谓语动词要用第三人称单数形式covers，故填covers。 43．句意：生活在海洋里的动物比陆地上的更多。根据“More...live in the ocean than on land.”可知，more后面接可数名词复数或不可数名词，animal是可数名词，这里要用复数形式animals，表示泛指多种动物，故填animals。 44．句意：海洋里有很多食物。根据“There...a lot of food in the ocean.”可知，此句为There be句型，遵循就近原则，“food”是不可数名词，所以be动词要用is，故填is。 45．句意：如果我们把它们都拿走，几乎没有动物能在那里生存。根据“If we take...all away”可知，take是动词，后面需要用人称代词的宾格形式作宾语，they的宾格是them，故填them。 46．句意：海洋中的植物需要干净的水和阳光来生长。根据“Plants in the ocean need clean water and sunlight...”可知，此处表示目的，即植物需要水和阳光的目的是生长，要用动词不定式to do形式作目的状语，所以填to grow。 47．句意：许多植物和动物死亡，因为水太脏了。根据“Many plants and animals die (死亡)...the water is too dirty.”可知，“水太脏”是“许多植物和动物死亡”的原因，所以此处需要用because引导原因状语从句，故填because。 48．句意：它对人类也非常重要。根据“It is very important to...too.”可知，“human”是可数名词，这里表示泛指人类这个群体，要用复数形式humans，故填humans。 49．句意：它为人们提供食物、水，甚至空气。根据“It provides food, water, and even the air...people.”可知，provide sth. for sb.是固定搭配，表示“为某人提供某物”，所以此处填for。 50．句意：如果我们想保护我们的星球，我们可以从保护海洋开始。根据“If we want to protect our planet, we can start with...the ocean.”可知，start with doing sth.是固定用法，表示“从做某事开始”，with是介词，后面接动词的动名词形式，所以填protecting。 阅读下面短文，在空白处填入1个适当的词或括号内单词的正确形式。 Tree Planting Day is an important day in the world. Today, many 51 (country) have such a holiday. In China, Tree Planting Day is on March 12th. It is a day 52 (remember) Sun Yat-sen (孙中山). Sun Yat-sen was a great person in China. But many people don’t know that he helped to save trees. Tree Planting Day in China 53 (start) in 1915. From 1916 to 1928, Tree Planting Day was celebrated on the Chinese Qingming Festival each year. Sun Yat-sen asked people to stop 54 (cut) down trees in many of his books. He even planted trees 55 (he) with many people. Sun Yat-sen died (去世) 56 March 12th, 1925. In order to remember Sun Yat-sen, Chinese people decided 57 (set) Tree Planting Day on that day every year. Planting trees is good 58 our earth. It can make the world beautiful. Trees give us forests, stop soil from losing, 59 protect farmland. They can make the earth a good place for us to live in. With no trees, our lives will be 60 (difficulty). For example, we can’t get fruit or oil(油) from trees. So it’s important for everyone to plant more trees on Tree Planting Day. 【答案】 51．countries 52．to remember 53．started 54．cutting 55．himself 56．on 57．to set 58．for 59．and 60．difficult 【导语】本文是一篇说明文，主要介绍了中国的植树节及其与孙中山先生的关系，阐述了植树的重要性。 51．句意：如今，许多国家都有这样的节日。根据“many”可知，此处需要名词的复数形式。故填countries。 52．句意：这是一个纪念孙中山先生的日子。根据“a day”和“remember”可知，此处需要用不定式作后置定语。故填to remember。 53．句意：中国的植树节始于1915年。根据“in 1915”可知，时态为一般过去时，动词用过去式started。故填started。 54．句意：孙中山先生在他的许多书中要求人们停止砍伐树木。stop doing sth表示“停止做某事”，此处是指停止砍树，故填cutting。 55．句意：他甚至亲自和许多人一起植树。根据“planted trees”和“with many people”可知，此处需要用反身代词表示“亲自”。故填himself。 56．句意：孙中山先生于1925年3月12日去世。根据“March 12th, 1925”可知，具体日期前用介词on。故填on。 57．句意：为了纪念孙中山先生，中国人决定每年在那一天设立植树节。根据“decided”可知，decide to do sth表示“决定做某事”。故填to set。 58．句意：植树对我们的地球有好处。根据“good”和“our earth”可知，be good for表示“对……有好处”。故填for。 59．句意：树木给予我们森林，防止水土流失，并保护农田。根据“give us forests, stop soil from losing,”和“protect farmland”可知，此处为并列关系，用and连接。故填and。 60．句意：没有树木，我们的生活将会变得困难。根据“be”可知，此处需要用形容词作表语。故填difficult。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 8 Our Blue Planet 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 1、 用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．The (deep) of the swimming pool is two meters. 2．By (recycle) waste paper, we can save a lot of trees. 3．In the school handicraft club, Li Ming uses red paper (collect) good luck. 4．The (pollute) in the city is getting more and more serious. We must do something. 5．We should take (act) to protect wild animals. 6．Please come here and (show) us what you can do. 7．We should develop the good habit of (save) water. 8．There (be) a lot of useful information in this book. 9．All living things need water (grow). 10．Water is very (use) in our daily life. 11．Ice (turn) into water when the temperature rises. 12．As a matter of fact, the Earth (provide) a home for all living things. 13．Look! There are some boys (run) on the playground. 14．Tom, (cheer) up. It’s just a basketball game. 15．A 12-year-old boy (call) Tom won the first prize in the competition. 16．Look! There are some birds (fly) in the sky. 17．It’s getting dark. We’d better (start) to go home. 18．She spends two hours (do) her homework every day. 19．It’s about 100 (kilometer) from the school to the airport. 20．The coffee shop sells (thousand) of cups of coffee every day. 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．Please look at some (信息) below. 22．Our country will celebrate her (八十) birthday this October. 23．The Yangtze River is about 80 kilometers (宽) at some places. 24．Our (行星) looks blue in the sky. 25．About 99 (百分比) of water on the earth is sea water or ice. 26．The washing (机器) doesn’t work. I want to buy a new one. 27．Don’t (扔) away the old books. We can give them to the library. 28．Miss Smith gave me some (建议) on how to learn English well. 29．Let me (介绍) my friend Judy. 30．I can see green hills (在……外面) the window of my bedroom. 三、完成句子(本大题共10小题，每小题3分，共30分) 31．紫禁城占地大约72万平方米。 The Forbidden City is about 720,000 . 32．淡水对我们非常重要。 is very important us. 33．如今的学生需要培养独自思考的习惯。 Students today should thinking by themselves. 34．下个星期六我们将去公园捡垃圾。 Next Saturday, . 35．那是我们的班规之一。 That’s our class . 36．请开一下电视，托尼想看足球比赛。 Please the TV. Tony wants to watch the football game. 37．让我们共同努力，让这个世界变得更加有序，更加美好。 together to make the world more orderly and beautiful. 38．他一周只能快速洗一次澡。 He can only a quick once a week. 39．所有生物都需要水来生长。 All living things water grow. 40．杰克逊一家正在海滩上玩得很开心。 The Jacksons are the beach. 四、短文填空(本大题共20小题，每小题2分，共40分) 阅读下面短文，根据语境在每个空格内填入一个恰当的词，或填入括号中所给单词的适当形式（不超过两个词），要求所填的词意义准确、形式正确，使短文意思完整、行文连贯。 If we look at our planet from a great distance (距离), it is blue. Blue is 41 color of the ocean, and the ocean 42 (cover) about 71% of our planet’s surface (表面). More 43 (animal) live in the ocean than on land. There 44 (be) a lot of food in the ocean. The most important food in the ocean is plants. If we take 45 (they) all away, very few animals can live there. Plants in the ocean need clean water and sunlight 46 (grow). But now, there is too much rubbish in the ocean. Many plants and animals die (死亡) 47 the water is too dirty. The ocean is home to millions of species (物种). It is very important to 48 (human), too. It provides food, water, and even the air 49 people. If we want to protect our planet, we can start with 50 (protect) the ocean. 阅读下面短文，在空白处填入1个适当的词或括号内单词的正确形式。 Tree Planting Day is an important day in the world. Today, many 51 (country) have such a holiday. In China, Tree Planting Day is on March 12th. It is a day 52 (remember) Sun Yat-sen (孙中山). Sun Yat-sen was a great person in China. But many people don’t know that he helped to save trees. Tree Planting Day in China 53 (start) in 1915. From 1916 to 1928, Tree Planting Day was celebrated on the Chinese Qingming Festival each year. Sun Yat-sen asked people to stop 54 (cut) down trees in many of his books. He even planted trees 55 (he) with many people. Sun Yat-sen died (去世) 56 March 12th, 1925. In order to remember Sun Yat-sen, Chinese people decided 57 (set) Tree Planting Day on that day every year. Planting trees is good 58 our earth. It can make the world beautiful. Trees give us forests, stop soil from losing, 59 protect farmland. They can make the earth a good place for us to live in. With no trees, our lives will be 60 (difficulty). For example, we can’t get fruit or oil(油) from trees. So it’s important for everyone to plant more trees on Tree Planting Day. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $