Unit 4 Plant life（单元自测·提升卷）英语外研版三起四年级下册（新教材）

Unit 4 Plant life（单元自测·提升卷） 英语外研版三起四年级下册（新教材） 参考解析 听力部分（30分） 1、 嘉年华的 “种植步骤” 环节，需要把种植流程按正确顺序按照①-⑤排好，录音听两遍。（每小题2分，共10分） 1-5 ③ ① ④ ② ⑤ 【听力原文】 First, dig a small hole in the soil. Next, prepare some wet soil in a pot. Then put the seed in the hole and cover it with soil. Finally, water the soil and put the pot in a sunny place. Wait for the seed to grow into a small plant. 2、 “植物知识问答”，听专家讲解判断说法是（T）否（F）正确。录音听两遍。（每小题2分，共10分） 1-5 F T F F T 【听力原文】 1. All plants need sunlight to grow, and roses are no exception. They can’t grow well without sunlight. 2. Cotton is a kind of plant product. We can use it to make comfortable T-shirts and other clothes. 3. The stem of a plant is very important. It carries water and nutrients from the roots to the leaves. 4. Cherry blossoms are famous in Japan, and they are often regarded as a symbol of the country. Peonies are popular in China. 5. Lettuce is a common vegetable. It needs enough sunlight to grow, usually 6-8 hours every day. 3、 “植物观察员”环节，补全观察日记里的关键信息。录音听两遍。（每小题2分，共10分） 1. planted 2. leaves 3. stem 4. roots 5. seven 【听力原文】 Date: May 10th Weather: Sunny Today I continued to observe my sunflower. A week ago, I planted the seeds in a big pot. Now the plant has small leaves and a thin stem. The roots are under the soil, getting water from it. I water it once a day and put it in the sun for 7 hours. I hope it will bloom soon! 笔试部分（70分） 4、 【新题型·植物知识分类站】植物嘉年华的“分类小能手”环节，需要把杂乱的单词按类别整理好。（每小题1分，共10分） 1. Plant parts： seed；root 2. Planting actions： dig；water 3. Plant types： sunflower；cabbage 4. Plant-related products： paper；chair 5. Words to describe plants：green；tall 【解析】 1. 解析：“seed”（种子）、“root”（根）均属于植物的组成部位，故归为此类，故正确答案为seed；root。 2. 解析：“dig”（挖）、“water”（浇水）是种植过程中的动作，符合“种植动作”类别，故正确答案为dig；water。 3. 解析：“sunflower”（向日葵）、“cabbage”（卷心菜）均是具体的植物种类，归类正确，故正确答案为sunflower；cabbage。 4. 解析：“paper”（纸）、“chair”（椅子）是利用植物制成的产物，属于“植物相关产物”，故正确答案为paper；chair。 5. 解析：“green”（绿色的）、“tall”（高的）是描述植物外观的形容词，对应“描述植物的词”，故正确答案为green；tall。 5、 欢迎进入植物问答知识闯关环节，闯关者需要将正确答案填在括号里。（每小题1分，共10分） 1-5 B A C D B 6-10 B A B A A 【解析】 1. 解析：主语“your classmates”是复数，现在进行时中be动词用“are”，答句主语“they”也对应“are”，故选B，故正确答案为B。 2. 解析：主语“plants”是复数，动词用原形“need”；“need sth. to do sth.”是固定搭配，意为“需要某物做某事”，故选A，故正确答案为A。 3. 解析：“how many”后接可数名词复数，“leaf”的复数形式是“leaves”，故选C，故正确答案为C。 4. 解析：“when I got home”是过去时间点，强调此时动作正在进行，用过去进行时“was watering”，故选D，故正确答案为D。 5. 解析：答语“Every two days”表示频率，对频率提问用“How often”，故选B，故正确答案为B。 6. 解析：“use sth. to make sth.”是固定搭配，前后两个空均用“to make”，故选B，故正确答案为B。 7. 解析：“in three months”表示将来时间，用一般将来时“will grow”，故选A，故正确答案为A。 8. 解析：“the plant’s roots”表示“这株植物的根”，用名词所有格“the plant’s”，故选B，故正确答案为B。 9. 解析：第一空“now”提示用现在进行时“is cutting”，第二空“this morning”提示用一般过去时“cut”，故选A，故正确答案为A。 10. 解析：“mean”意为“象征；意味着”，牡丹在中国象征幸福，故选A，故正确答案为A。 6、 在“语言创意站”，需要给句子做“变身”，完成以下转换任务。（每小题2分，共10分） 1. They aren’t digging holes for the young trees. 2. She is watering the roses now. 3. What is; like 4. Yes, they are. 5. How much; does 【解析】 1. 解析：现在进行时的否定句在be动词后加“not”，“are not”缩写为“aren't”，故正确答案为They aren't digging holes for the young trees.。 2. 解析：现在进行时结构为“be+动词-ing”，主语“she”对应“is”，“water”变“watering”，加“now”表时间，故正确答案为She is watering the roses now.。 3. 解析：对“tall and strong”（特征）提问用“What is...like?”，意为“……是什么样子的？”，故正确答案为What is; like。 4. 解析：“Are the students...”引导的一般疑问句，肯定回答为“Yes, they are.”，故正确答案为Yes, they are.。 5. 解析：“sunlight”是不可数名词，对其数量提问用“How much”，主语“the plant”是第三人称单数，助动词用“does”，故正确答案为How much; does。 7、 【新题型・植物句子连连看】嘉年华的 “句子拼图” 环节，需要把植物单词碎片拼成通顺的句子。（每小题2分，共10分） 1. The stem of the plant is thin. 2. We use wood to make desks. 3. How often do you water the roses? 4. The sunflower has small leaves now. 5. Plants need sunlight to grow. 【解析】 1. 解析：按“定冠词+名词+介词短语+系动词+形容词”的结构组合，句意“这株植物的茎很细”，故正确答案为The stem of the plant is thin.。 2. 解析：遵循“主语+谓语+宾语+不定式”的结构，“use sth. to make sth.”为固定搭配，句意“我们用木头做桌子”，故正确答案为We use wood to make desks.。 3. 解析：特殊疑问句结构为“特殊疑问词+一般疑问句”，“how often”引导频率提问，句意“你多久给玫瑰浇一次水？”，故正确答案为How often do you water the roses?。 4. 解析：按“主语+谓语+宾语+状语”的结构组合，句意“这株向日葵现在长着小叶子”，故正确答案为The sunflower has small leaves now.。 5. 解析：遵循“主语+谓语+宾语+不定式”的结构，句意“植物需要阳光来生长”，故正确答案为Plants need sunlight to grow.。 8、 【新题型・植物知识问答】“植物互动区” 的问答挑战，结合所学知识和生活经验回答！（每小题2分，共10分） 1. The root of a plant can get water from the soil. 2. Plants need sunlight, water and soil to grow well. 3. We should water a sunflower once a day. 4. We can make clothes with cotton. 5. The leaves of most plants are green. 【解析】 1. 解析：植物的根（root）深入土壤，负责吸收水分，这是单元核心知识点，故正确答案为The root of a plant can get water from the soil.。 2. 解析：单元重点内容为植物生长需要阳光、水和土壤，直接结合知识点回答，故正确答案为Plants need sunlight, water and soil to grow well.。 3. 解析：根据单元“种植日记”相关内容，向日葵适合每天浇一次水，符合生长需求，故正确答案为We should water a sunflower once a day.。 4. 解析：单元提到棉花的用途是制作衣物，直接依据知识点作答，故正确答案为We can make clothes with cotton.。 5. 解析：多数植物的叶子因含叶绿素呈绿色，是基础常识且贴合单元内容，故正确答案为The leaves of most plants are green.。 9、 阅读植物学家的观察笔记，补全缺失的内容，解锁植物的秘密！（每题2分，共10分） 1-5 B A C D A 【解析】 1. 解析：根据“like the ‘feet’”“get water from the earth”可知，此处指植物的根（root），故选B，故正确答案为B。 2. 解析：根据“stands straight”“carries water from the roots to the leaves”可知，茎（stem）的功能是输送水分，故选A，故正确答案为A。 3. 解析：根据“green”“make food for the plant”可知，叶子（leaves）是绿色且能制造养分，故选C，故正确答案为C。 4. 解析：根据“beautiful”可知，植物成熟后会开花（flowers），花朵通常很美丽，故选D，故正确答案为D。 5. 解析：根据“we can eat”“like tomatoes and apples”可知，此处指果实（fruit），故选A，故正确答案为A。 十、嘉年华的最后一战，你是否能够勇夺桂冠呢？一起来看一看吧！（每小题1分，共10分） (A) 【新题型·跨文化知识】植物嘉年华的“国际展区”有不同国家的代表性植物，阅读短文完成任务！ 1-5 C B A C B 【解析】 1. 解析：原文提到“In China, peonies... They mean happiness and good luck”，直接对应选项C，故正确答案为C。 2. 解析：原文表述为“In Canada, the maple leaf is a national symbol”，可知枫叶是加拿大的象征，故选B，故正确答案为B。 3. 解析：原文提到“In Japan, cherry blossoms... They bloom in spring”，樱花在春天开放，故选A，故正确答案为A。 4. 解析：原文指出“roses... represent love and friendship”，美国人送玫瑰是因为其象征爱与友谊，故选C，故正确答案为C。 5. 解析：短文主要介绍不同国家的特殊植物及其象征意义，对应选项B，故正确答案为B。 (B) 【新题型・任务型阅读】嘉年华的 “植物侦探” 环节，需要根据观察卡完成任务！ 任务一：1. F 2. T 任务二：1. April 12th 2. four green 任务三：We can eat it. 【解析】 任务一： 1. 解析：观察卡中“Planting Date”为“April 5th”，题干“April 12th”错误，故填F，故正确答案为F。 2. 解析：观察卡“Needs”明确“water twice a week”，与题干一致，故填T，故正确答案为T。 任务二： 3. 解析：观察卡“Growth Notes”提到“April 12th: Small shoots come out”，直接提取日期，故正确答案为April 12th。 4. 解析：观察卡明确“April 25th: 4 green leaves grow”，填入“4 green”，故正确答案为4 green。 任务三： 5. 解析：观察卡“Use”指出“We can eat the red fruit”，简洁回答为“We can eat it.”，故正确答案为We can eat it.。 学科网（北京）股份有限公司 $ Unit 4 Plant life（单元自测·提升卷） 英语外研版三起四年级下册（新教材） （建议用时：60分钟 满分：100分） 题号 一 二 三 四 五 六 七 八 九 十 总分 得分 听力部分（30分）春天来了，学校要举办“校园植物嘉年华”活动！同学们需要通过植物知识闯关、种植实践展示、创意分享等环节赢得“植物小达人”称号。快来挑战吧！ 1、 嘉年华的 “种植步骤” 环节，需要把种植流程按正确顺序按照①-⑤排好，录音听两遍。（每小题2分，共10分） ( ) Then put the seed in the hole and cover it with soil. ( ) First, dig a small hole in the soil. ( ) Finally, water the soil and put the pot in a sunny place. ( ) Next, prepare some wet soil in a pot. ( ) Wait for the seed to grow into a small plant. 2、 “植物知识问答”，听专家讲解判断说法是（T）否（F）正确。录音听两遍。（每小题2分，共10分） ( ) 1. Roses can grow well without sunlight. ( ) 2. We can get cotton from plants to make T-shirts. ( ) 3. The stem of a plant can carry water to the roots. ( ) 4. Peonies are the national flower of Japan. ( ) 5. Lettuce needs 6-8 hours of sunlight every day. 3、 “植物观察员”环节，补全观察日记里的关键信息。录音听两遍。（每小题2分，共10分） Date: May 10th Weather: Sunny Today I continued to observe my sunflower. A week ago, I 1. __________ the seeds in a big pot. Now the plant has small 2. __________ and a thin 3. __________. The 4. __________ are under the soil, getting water from it. I water it once a day and put it in the sun for 5. __________ hours. I hope it will bloom soon! 笔试部分（70分） 4、 【新题型·植物知识分类站】植物嘉年华的“分类小能手”环节，需要把杂乱的单词按类别整理好。（每小题1分，共10分） 从方框中选择合适的单词，填入对应的类别中，每个单词只能用一次。 seed、root、dig、water、sunflower、cabbage、paper、chair、green、tall Category（类别） Words 1. Plant parts（植物部位） ____________; ____________; 2. Planting actions（种植动作） ____________; ____________; 3. Plant types（植物种类） ____________; ____________; 4. Plant-related products（植物相关产物） ____________; ____________; 5. Words to describe plants（描述植物的词） ____________; ____________; 5、 欢迎进入植物问答知识闯关环节，闯关者需要将正确答案填在括号里。（每小题1分，共10分） ( ) 1.—What ______ your classmates doing in the garden? —They ______ planting tomato seeds. A. is; are B. are; are C. are; is D. is; is ( ) 2. Plants ______ sunlight, water and soil ______ grow well. A. need; to B. need; for C. needs; to D. needs; for ( ) 3. —How many ______ are there on the apple tree? —About fifty. They’re green now. A. leaf B. leafs C. leaves D. leafes ( ) 4. My mother ______ the flowers when I got home yesterday afternoon. A. waters B. watered C. is watering D. was watering ( ) 5. —______ do you need to water the lettuce? —Every two days. It doesn’t like too much water. A. How long B. How often C. How much D. How many ( ) 6. We can use cotton ______ T-shirts and use wood ______ desks. A. make; make B. to make; to make C. making; making D. make; to make ( ) 7. The little seed ______ into a tall sunflower in three months. A. will grow B. grows C. is growing D. grew ( ) 8. —Are these ______ roots? —Yes, they are. The plant has two big roots. A. the plant B. the plant’s C. plants D. plants’ ( ) 9. —Is Tom ______ the wheat now? —No, he isn’t. He ______ it this morning. A. cutting; cut B. cut; cutting C. cutting; cuts D. cuts; cut ( ) 10. Peonies are very beautiful. They ______ happiness in China. A. mean B. give C. make D. have 6、 在“植物语言创意站”，需要给句子“变身”，完成以下转换任务。（每小题2分，共10分） 1. They are digging holes for the young trees.（改为否定句） _________________________________________________________________ 2. She waters the roses once a week.（改为现在进行时） _________________________________________________________________ 3. The sunflower’s stem is tall and strong.（对划线部分提问） ______ ______ the sunflower’s stem ______? 4. Are the students planting flower seeds in the garden?（作肯定回答） _________________________________________________________________ 5. The plant needs 6 hours of sunlight a day.（对划线部分提问） ______ ______ sunlight ______ the plant need a day? 7、 【新题型・植物句子连连看】嘉年华的 “句子拼图” 环节，需要把植物单词碎片拼成通顺的句子。（每小题2分，共10分） 1. the / stem / of / the / plant / thin / is /. _________________________________________________________________ 2. we / use / to / make / wood / desks /. _________________________________________________________________ 3. water / how often / you / do / the / roses /？ _________________________________________________________________ 4. small / has / the / sunflower / leaves / now /. _________________________________________________________________ 5. grow / need / plants / to / sunlight /. _________________________________________________________________ 8、 【新题型・知识问答】“植物互动区” 的问答挑战，结合所学知识和生活经验回答！（每小题2分，共10分） 1. What part of a plant can get water from the soil? _________________________________________________________________ 2. What do plants need to grow well? _________________________________________________________________ 3. How often do you think we should water a sunflower? _________________________________________________________________ 4. What can we make with cotton? _________________________________________________________________ 5. What color are the leaves of most plants? _________________________________________________________________ 9、 阅读植物学家的观察笔记，补全缺失的内容，解锁植物的秘密！（每题2分，共10分） Plants are amazing living things. They have different parts to help them grow. The 1. ______ is like the “feet” of the plant. It goes deep into the earth to get water and nutrients（养分）. The 2. ______ stands straight and carries water from the roots to the leaves. The 3. ______ are usually green. They can catch sunlight and make food for the plant. When the plant grows up, it may have beautiful 4. ______. Some plants also grow 5. ______ that we can eat, like tomatoes and apples. We should always care for plants because they are important to us. ( ) 1. A. leaf B. root C. stem D. flower ( ) 2. A. stem B. seed C. leaf D. fruit ( ) 3. A. seeds B. roots C. leaves D. flowers ( ) 4. A. roots B. stems C. leaves D. flowers ( ) 5. A. fruit B. soil C. sunlight D. water 10、 嘉年华的最后一战，你是否能够勇夺桂冠呢？一起来看一看吧！（每小题1分，共10分） （A）【新题型·跨文化知识】植物嘉年华的“国际展区”有不同国家的代表性植物，阅读短文完成任务！ Different countries have special plants that carry meaningful messages. In China, peonies are loved by many people. They mean happiness and good luck. People often plant peonies in their gardens or use their flowers in important events. In Japan, cherry blossoms are very famous. They bloom in spring and look like pink clouds. They stand for the beauty of life and new beginnings. In Canada, the maple leaf is a national symbol. It is red and bright in autumn, and it means courage and pride. In the USA, roses are popular. They are gifts for loved ones because they represent love and friendship. ( ) 1. What do peonies mean in China? A. Courage and pride. B. Love and friendship. C. Happiness and good luck. D. Beauty of life. ( ) 2. Which country’s symbol is the maple leaf? A. China. B. Canada. C. Japan. D. The USA. ( ) 3. When do cherry blossoms bloom in Japan? A. In spring. B. In summer. C. In autumn. D. In winter. ( ) 4. Why do people in the USA give roses to loved ones? A. They mean good luck. B. They stand for new beginnings. C. They represent love and friendship. D. They show courage. ( ) 5. What is the passage mainly about? A. How to grow different plants. B. Special plants and their meanings in different countries. C. Why people love plants. D. Famous gardens around the world. （B）【新题型・任务型阅读】嘉年华的 “植物侦探” 环节，需要根据观察卡完成任务！ Plant Observation Card（植物观察卡） · Name（植物名称） Tomato · Planting Date（种植时间） April 5th · Needs（生长需求） 8 hours of sunlight / water twice a week · Growth Notes（生长记录） April 12th: Small shoots come out. April 25th: four green leaves grow. May 10th: Yellow flowers bloom. · Use（用途） We can eat the red fruit. 任务一：根据观察卡，判断正（T）误（F）。 ( ) The tomato was planted on April 12th. ( ) The tomato needs water twice a week. 任务二：根据观察卡，补全句子。 Small shoots came out on ____________. The tomato has ____________ leaves on April 25th. 任务三：根据观察卡，回答问题。 What can we do with the tomato’s fruit? _________________________________________________________________ 学科网（北京）股份有限公司1 学科网（北京）股份有限公司 $请听下面一段音乐并调试音量。听力测试现在开始。一嘉年华的种植步骤环节，需要把种植流程按正确顺序，按照一支舞台好录音。听两遍。First. dig a small hole in the soil. Next, prepare some wet oil in the pot, then put the seat in the hole and cover IT with soil. Finally, water the soil and put the pot in a Sunny place. Wait for the sea to grow into a small plant. First, dig a small hole in the soil. Next, prepare some wet oil and a pot, then put the seat in the hole and cover IT with soil. Finally, water the soil and put the pot in a Sunny place. Wait for the sea to grow into . a small plant. 2、植物知识问答，听专家讲解，判断说法是T否F正确录音听两遍。One, all plants need sunlight to grow, and roses are no exception. They can't grow well without sunlight. All plants need sunlight to grow, and roses are no exception. They can grow well without sunlight. To cotton is a kind of plant product. We can use IT to make comfortable tea shirts and other clothes. Cotton is a kind of planned product. We can use IT to make comfortable t shirts and other clothes. Three, the stem of a plant is very important. IT Carries water and neutrons from the roots to the leaves. The stem of a plant is very important. IT Carries water and neutrons from the roots to the leaves, for Cherry blossoms are famous in japan, and they are often regarded as a symbol of the country. Panies are popular in china. Cherry blossoms are famous in japan, and they are often regarded as a symbol of the country. Piani are popular in china. Five, let this is a common vegetable IT needs enough sunlight to grow, usually six to eight hours every day. Let, this is a common vegetable IT needs enough sunlight to grow, usually six to eight hours every day. 3、职务观察员环节，补全观察日记里的关键信息，录音听两遍。Date may tenth, weather Sunny today. I continued to observe my sunflower a week ago. I planted the seeds in a big part. Now the plant has small leaves in the same stem. The roots are under the soil, getting water from IT. I water IT once a day and put IT in the sun for seven hours. I hope IT will bloom soon. Date may tenth, weather Sunny today. I continued to observe my sunflower a week ago. I planted the seats in a big part. Now the plant has small leaves in a thin stem. The roots are under the soil, getting water from IT. I want IT once a day and put IT in the sun for seven hours. I hope I will bloom soon. This is the end of . the listening part到此结束。