Unit 3 第2课时Reading time & Project （分层作业）英语沪教版五四制五年级上册（新教材）

**基本信息** 小学英语新授课同步练，围绕“Amazing plants”主题，分层设计清晰，从词汇基础到语篇应用梯度递进，适配课时知识巩固与语言能力、思维品质培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础练|词汇（音标写词）、基础语法（选择、词形填空）|通过音标写词夯实发音基础，词形填空强化主谓一致等语法规则| |提升练|植物特性匹配、句型转换、对话补全|连线题建立知识关联，句型转换培养语言分析能力，对话补全提升情境应用| |拓展练|语篇阅读判断|通过短文阅读综合考查信息提取与逻辑判断，提升语篇理解能力|

Unit 3 Amazing plants 第二课时 Reading time & Project 基础练 Ⅰ.Read and write (根据音标写单词) 1.The /ˈpaɪn/________ cone’s scales open on sunny days. 2.The fouro’clock ________ /ˈflaʊə(r)/ can tell us the weather. 3.Morning glory ________ /ˈpetlz/ close when the rain is coming. 4.Plants can ________ /rɪˈækt/ to changes of the weather. 5.The pine cone folds its scales to ________ /prəˈtekt/ its seeds. Ⅱ.Read and choose（选出正确的答案） ( )1. Plants can tell us ____ the weather. A. about B. for C. with ( )2. If the flowers close up early, it ____ be a sunny day. A. going to B. is going to C. are going to ( )3. Pine cones fold their scales ____ their seeds on rainy days. A. protect B. to protect C. protecting ( )4. Morning glory petals close tightly when rain ____. A. come B. comes C. coming ( )5. Some plants react ____ weather changes. A. to B. in C. of Ⅲ. Fill in the blanks with the given words in their proper forms (用所给单词适当形式填空) 1.The fouro’clock flower ________ (close) up early on sunny days. 2.Pine cones’ scales ________ (be) open on sunny days. 3.Morning glory petals ________ (close) tightly when rain comes. 4.This plant ________ (tell) us about the weather. 5.They fold their scales ________ (protect) their seeds. 提升练 Ⅳ. Read and match. (将植物和它的特点连线) ( )1.fouro’clock flower   A. Its petals close when rain is coming. ( )2.pine cone      B. It faces the sun all the time. ( )3.morning glory    C. It can tell us if it will be sunny or rainy. ( )4.sunflower      D. It eats small insects. ( )5.meateating plant   E. Its scales open on sunny days. Ⅴ. Read and rewrite(读一读，根据要求完成句子) 1. The fouro’clock flower can tell us about the day’s weather.（改为一般疑问句） ___________________________________________________ 2. Pine cones’ scales are open on sunny days.（改为否定句） ___________________________________________________ 3.Morning glory petals close tightly when rain is coming.（对划线部分提问） ________ ________ morning glory petals ________? 4.These plants are wonderful weather reporters.（改为单数句） ________ ________ wonderful weather reporter. 5. They fold their scales to protect their seeds.（对划线部分提问） ________ ________ they ________ their scales? Ⅵ.Read, choose and write(阅读对话，从方框内选择合适句子补全对话，有一项多余。) A. It will be a sunny day. B. Its petals will close tightly before rain. C. Its scales are open on sunny days. D. Tell me more about it. E. It can predict the weather. F. It grows in the water. A: Do you know some plants can tell us the weather? B: Really? 1.________ A: Look at this fouro’clock flower. 2.________ B: What will happen if it closes early in the morning? A: 3.________ B: What about pine cones? A: 4.________ On rainy days, their scales are closed. B: Wow, amazing! What about morning glory? A: 5.________ So we know rain is coming. 拓展练 Ⅶ.Read and judge（阅读短文，判断正 (T) 误 (F) Plants and weather Some plants are great weather reporters. They can react to weather changes. The fouro’clock flower is one of them. If it closes up or fades early in the morning, it will be sunny. If it stays open after 6 a.m., it will be cloudy or rainy. Pine cones also give us weather news. On sunny days, their scales open wide. When it rains, they fold scales to keep seeds safe. Morning glory petals open on nice days. When rain is coming, their petals close tightly. We can watch these plants. They can help us know what the weather will be like. ( ) 1. Some plants can tell us about the weather. ( ) 2. If fouro’clock flower fades early, it will be rainy. ( ) 3. Pine cones’ scales are open on sunny days. ( ) 4. Pine cones fold scales to protect seeds on rainy days. ( ) 5. Morning glory petals open when rain is coming. 答案与解析 Ⅰ. Read and write 根据音标写单词 1. pine 解析：/paɪn/，pine cone 松果。句意：松果的鳞片在晴天张开。 2. flower 解析：/ˈflaʊə(r)/，fouro’clock flower 紫茉莉（四点钟花）。句意：紫茉莉可以告诉我们天气情况。 3. petals 解析：/ˈpetlz/，petal 花瓣，用复数。句意：下雨来临，牵牛花的花瓣闭合。 4. react 解析：/rɪˈækt/，固定搭配 react to 对…… 作出反应。句意：植物可以对天气的变化做出反应。 5. protect 解析：/prəˈtekt/，动词 “保护”，不定式 to 后用原形。句意：松果收拢鳞片来保护种子。 Ⅱ. Read and choose 单项选择 1. A 解析：固定搭配 tell sb. about sth. 告诉某人关于某事。句意：植物可以告诉我们关于天气的信息。 2. B 解析：be going to 表示将要；主语 it，be 动词用 is。 3. B 解析：不定式to do表目的，收拢鳞片是为了保护种子。 4. B 解析：when 引导时间状语从句，主语 rain 是单数，一般现在时动词用 comes。 5. A 解析：固定短语 react to… 对…… 作出反应。 III. Fill in the blanks 用所给词适当形式填空 1.closes 解析：主语 the fouro’clock flower 是单数，一般现在时，close 变 closes。句意：晴天紫茉莉早上早早闭合。 2.are 解析：主语 scales 是复数，be 动词用 are。句意：晴天松果的鳞片是张开的。 3. close 解析：主语 petals 是复数，谓语动词用原形 close。句意：下雨到来，牵牛花花瓣紧紧闭合。 4. tells 解析：主语 this plant 单数，一般现在时 tell 变为 tells。句意：这种植物告诉我们天气情况。 5. to protect 解析：不定式 to do 表目的，收拢鳞片目的是保护种子。 IV. Read and match 匹配题 1C 2E 3A 4B 5D 解析： 1.fouro’clock flower（紫茉莉）：可以预判晴天或者雨天。 2.pine cone（松果）：晴天鳞片张开。 3.morning glory（牵牛花）：下雨来临花瓣闭合。 4.sunflower（向日葵）：一直朝向太阳。 5.meateating plant（食肉植物）：吃小昆虫。 V. Read and rewrite 句型转换 1.Can the fouro’clock flower tell us about the day’s weather? 解析：句子含有情态动词 can，改为一般疑问句，把 can 提到句首，其余语序不变。 2. Pine cones’ scales aren’t open on sunny days. 解析：含有 be 动词 are，变否定句，直接在 are 后面加 not，缩写 aren’t。 3. When do；close 解析：划线部分when rain is coming是时间，提问用 When；主语 petals 复数，助动词用 do，后面动词用原形 close。 4. This is a 解析：these 变 this；plants 变 plant；are 变为 is；reporter 是可数名词单数，前面加 a。 5. Why do；fold 解析：划线部分to protect their seeds表目的，提问用 Why；主语 they 复数，助动词 do，动词用原形 fold。 VI.Read,choose and write 补全对话 答案：1.D 2.E 3.A 4.C 5.B 解析： 1.B 感到好奇，想要了解更多，选 D。 2.介绍紫茉莉的本领：它可以预测天气，选 E。 3.课文知识点：早上过早闭合预示晴天，选 A。 4.描述松果晴天鳞片张开的特点，选 C。 5.描述牵牛花下雨前花瓣紧紧闭合，选 B。 VII.Read and judge 判断正 (T) 误 (F) 1.T 解析：原文Some plants are great weather reporters.一些植物是很棒的天气播报员，可以告诉我们天气。 2. F 解析：原文If it closes up or fades early in the morning, it will be sunny.凋谢预示晴天，不是下雨。 3. T 解析：原文On sunny days, their scales open wide.晴天松果鳞片张开。 4. T 解析：原文When it rains, they fold scales to keep seeds safe.下雨收拢鳞片保护种子。 5. F 解析：原文When rain is coming, their petals close tightly.下雨来临花瓣闭合，不是张开。 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $