Unit 5 第2课时Explore（分层作业）英语沪教版六年级上册（新教材）

**基本信息** 本练习通过基础、提升、拓展三层递进设计，实现从词汇语音到语篇应用的渐进式知识巩固，适配新授课分层教学需求，培养语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础练|核心词汇（杠杆、斜坡等）、语音辨析、基础句型（There be等）|以选词归类、辨音题夯实词汇与语音基础，通过单句填空强化语法应用| |提升练|句型转换、对话应用、英汉互译|通过补全对话、问答匹配提升语用能力，连词成句训练句子结构逻辑| |拓展练|新情境信息提取与综合表达|以表文转换任务整合知识，培养信息分析与完整表达能力，体现思维品质|

Unit 5 How do inventions change our lives? 第2课时Explore 基础练 一、选词归类（将单词填入对应栏目） wheel, slide, seesaw, ramp, bottle opener, lever, truck, clock Levers（杠杆）：________________________________ Ramps（斜坡类）：______________________________ Things with wheels（带轮子物品）：______________ 二、辨音题 选出划线部分发音与众不同的一项 ( ) 1. A. wheel B. sheep C. pen ( ) 2. A. ramp B. hat C. lake ( ) 3. A. slide B. nice C. sit ( ) 4. A. lever B. bed C. she ( ) 5. A. open B. no C. hot 三、根据中文提示写出完整单词 1.杠杆 l________ 2.轮子 w________ 3.斜坡 r________ 4.开瓶器 o________ 5.简易机械 simple m________ 四、单项选择 ( ) 1. There ____ lots of simple machines around us. A. is B. are C. am ( ) 2. A slide is ____ useful ramp. A. a B. an C. / ( ) 3. It’s easy ____ carry heavy things on ramps. A. to B. for C. with ( ) 4. We can see tiny wheels ____ old watches. A. on B. in C. under ( ) 5. People ____ wheelchairs need smooth ramps. A. in B. on C. at 五、用括号内单词的正确形式填空 1.There are many kinds of simple ________ (machine). 2.Two little ________ (child) play on the seesaw. 3.This bottle opener ________ (be) a kind of lever. 4.We can see small ________ (wheel) in clocks. 5.Ramps help people ________ (go) into buildings easily. 六、判断正误，对写 T，错写 F 1.A seesaw is a ramp. ( ) 2.Wheels can be found in trucks and watches. ( ) 3.Ramps have one high end and one low end. ( ) 4.Bottle openers are levers. ( ) 5.Simple machines make our life harder. ( ) 七、按要求改写句子 1.A bottle opener is a lever.（改为一般疑问句） 2.Wheels help cars move smoothly.（改为否定句） 提升练 八、连词成句（填序号，再抄写完整句子） 1.①basic ②are ③Simple machines ④inventions (.) 2.①in ②tiny ③We ④wheels ⑤watches ⑥find (.) 3.①help ②Ramps ③wheelchairs ④buildings ⑤enter (.) 九、填空（每词只用一次） easy, lever, slide, ramp, wheel Simple machines make our life ____(1). A bottle opener is a ____(2). A ____(3) in the park is a ____(4). A ____(5) can turn and make bikes and cars move. 十、补全对话 方框选词填空（每词限用一次）A. wheel B. lever C. ramp D. bottle opener E. slide A: What simple machines do you learn today? B: I learn the ____(1). It’s a tool to open bottles, and it’s a ____(2). A: Where can we see ____(3)? B: We can see them on cars and inside clocks. A: What about the playground ____(4)? B: It is a ____(5). It helps us slide down quickly. 十一、问答匹配 1.What is a bottle opener? A. People in wheelchairs. 2.What is a slide? B. It’s a lever. 3.Where can we see tiny wheels? C. It’s a ramp. 4.Who uses ramps? D. In clocks and watches. 5.Why do we use simple machines? E. Because they make life easy. 十二、英汉互译 1.simple machines ________________________ 2.tiny wheels in watches ________________________ 3.坐轮椅的人们 ________________________ 4.一种斜坡 ________________________ 5.Simple machines are basic inventions around us. 十三、句子排序，组成通顺完整对话 A: What are simple machines? B: They are basic tools to help people. C: Can you give me some examples? D: Sure. Levers, wheels and ramps. E: They are really helpful in daily life! 拓展练 十四、【新情境・表文转换】阅读表格信息，用完整英文句子作答 Simple Machine Function Places we can see it lever push and pull objects kitchen, playground wheel make vehicles move bikes, cars, clocks ramp move up and down easily park, building entrances 1.Where can we find levers in daily life? ________________________________________ 2.What do wheels help us do? ________________________________________ 3.Why do buildings set up ramps? ________________________________________ 参考解析 基础练 一、选词归类 Levers：seesaw, bottle opener, lever Ramps：slide, ramp Things with wheels：wheel, truck, clock 解析：卡车、钟表内部均带有轮子，归为 wheel 类；跷跷板、开瓶器属于杠杆；滑梯、斜坡归为 ramp。 二、辨音题 1.C 解析：wheel /wiːl/、sheep /ʃiːp/ 长音 /iː/；pen /pen//e/ 2.C 解析：ramp /ræmp/、hat /hæt//æ/；lake /leɪk//eɪ/ 3.C 解析：slide /slaɪd/、nice /naɪs//aɪ/；sit /sɪt//ɪ/ 4.C 解析：lever /ˈlevə/、bed /bed//e/；she /ʃiː//iː/ 5.C 解析：open /ˈəʊpən/、no /nəʊ//əʊ/；hot /hɒt//ɒ/ 三、写单词 1.lever 2. wheel 3. ramp 4. opener 5. machines 四、单项选择 1.B 解析：machines 复数，there be 用 are 2.A 解析：useful 辅音开头，a useful ramp 3.A 解析：固定句型 It’s + adj. + to do sth. 4.B 解析：inside watches 在手表内部，介词 in 5.A 解析：固定搭配 people in wheelchairs 五、词形变换 machines many 后接可数名词复数 children two 后 child 变复数 children is 主语 this bottle opener 为单数 wheels 泛指多个小轮子，用复数 go 固定搭配 help sb. (to) do sth. 六、判断正误 1.F 跷跷板是杠杆，不是斜坡 2.T 卡车、手表里都有轮子 3.T 斜坡一头高、一头低 4.T 开瓶器属于杠杆类简易机械 5.F 简易机械让生活更轻松 easy，而非更困难 harder 七、句型改写 Is a bottle opener a lever? Wheels don’t help cars move smoothly. 提升练 八、连词成句 1.③②①④ Simple machines are basic inventions. 2.③⑥②①④⑤ We find tiny wheels in watches. 3.②①③⑤④ Ramps help wheelchairs enter buildings. 九、填空 1.easy 2. lever 3. slide 4. ramp 5. wheel 十、对话选词 1.D 2.B 3.A 4.E 5.C 十一、问答匹配 1-B 2-C 3-D 4-A 5-E 十二、英汉互译 1. 简易机械 2. 手表里的小齿轮 3.people in wheelchairs 4.a kind of ramp 5. 简易机械是我们身边基础的发明。 十三、句子排序 A B C D E 拓展练 十四、表格简答 We can find levers in the kitchen and the playground. Wheels help bikes, cars and clocks move. Because ramps help people in wheelchairs go into buildings easily. 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $