Unit 5 第3课时Communicate&Extend（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、拓展三层设计，从词汇到语篇递进巩固“发明与工具”主题知识，培养语言运用与逻辑思维能力，适配新授课分层教学需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础练|核心词汇（cart/ladder等）、基础句型（It is+adj.+to do sth.）|通过选词填空、首字母补全夯实词汇，单项选择聚焦语法结构，强化语言能力基础| |提升练|句型综合运用、简单语篇|连词成句训练句子组织，补全对话与句子排序构建情境逻辑，提升语言表达与思维品质| |拓展练|信息提取与综合表达|表文转换要求用完整句子概括发明用途与优势，培养分析与输出能力，体现学习能力发展|

Unit 5 How do inventions change our lives? 第3课时Communicate&Extend 基础练 一、选词填空cart, ladder, board, saw, leaf 1.We use a ________ to carry heavy boards easily. 2.We need a tall ________ to climb up the tree house. 3.We cut big wood into thin ________ with a saw. 4.Lu Ban invented the ________ after seeing a sharp leaf. 5.A small sharp ________ cut Lu Ban’s finger on the mountain. 二、根据首字母提示补全短语 1.c________ heavy wood 搬运重物 2.climb with a l________ 用梯子攀爬 3.sharp t________ on the leaf 叶片上锋利的齿 4.a great i________ 伟大的发明 5.c________ things easily 轻松切割物品 三、单项选择 ( ) 1. It is easy ____ carry wood with a cart. A. to B. for C. and ( ) 2. We ____ use a ladder to reach the tree house. A. will B. are C. am ( ) 3. Before the saw, it was slow ____ cut wood. A. cut B. to cut C. cutting ( ) 4. The cart makes carrying things ____ than before. A. easy B. easier C. easiest ( ) 5. Lu Ban ____ many useful tools long ago. A. invent B. invented C. invents 提升练 四、连词成句（填序号） 1.①invented ②Lu Ban ③saw ④the (.) 2.①sharp ②has ③leaf ④teeth ⑤The (.) 3.②makes ③Inventions ④our lives ⑤easier (.) 五、根据对话情境，从方框选句子补全对话 A: Let’s talk about tree house tools and old Chinese inventions! B: What can we use to carry wood for the tree house? A: (1) ____________A. We can carry heavy boards with a cart. B. We climb up high with a ladder. C. A sharp leaf gave Lu Ban a good idea. D. The saw helps people cut wood easily. E. Old Chinese inventions change our world. B: How do we get up to the tall tree house? A: (2) ____________ B: Where did Lu Ban get the idea of the saw? A: (3) ____________ B: Why is the saw a great invention? A: (4) ____________ B: Many old Chinese inventions are great. A: (5) ____________ 六、问答匹配 ( ) 1. What can a cart do? A. It has sharp teeth. ( ) 2. What do we use a ladder for? B. Carry heavy boards easily. ( ) 3. What’s special about the leaf? C. Climb up to tree houses. ( ) 4. Why did Lu Ban make a saw? D. It makes cutting wood easy. ( ) 5. What’s good about the saw? E. A leaf cut his finger. 七、英汉翻译 1.carry heavy boards ________________________ 2.climb with a ladder ________________________ 3.锋利的叶片 ________________________ 4.古代中国发明 ________________________ 5.The saw makes cutting wood much easier. ________________________ 八、读一读，将下列句子排序，组成一段完整、通顺的对话 A. I read a story about Lu Ban and the saw yesterday. B. What gave him the idea to make the saw? C. A leaf with sharp teeth cut his finger. D. So he made the first saw in the world. E. That’s such a clever great invention! F. Yes, people still use saws nowadays. 拓展练 九、【表文转换】阅读表格信息，用完整英文句子作答 Invention Use Advantage Cart Carry wood Easier to carry heavy things Ladder Climb tree house Reach high places safely Saw Cut wood Cut things quickly 1.What can we use a cart for? ________________________________________ 2.What’s the good point of a ladder? ________________________________________ 3.How does the saw help people? ________________________________________ 参考解析 基础练 一、选词填空 答案：1.cart 2.ladder 3.board 4.saw 5.leaf 解析： 1.cart 手推车，用来搬运木板； 2.ladder 梯子，搭建树屋登高使用； 3.board 木板，锯子切割木头得到薄板； 4.saw 锯，鲁班受叶片启发发明锯子； 5.leaf 树叶，带锋利锯齿划伤鲁班手指。 二、根据首字母提示补全短语 答案：1.carry 2.ladder 3.teeth 4.invention 5.cut 解析： 1.carry 搬运；ladder 梯子；teeth（叶片上的锯齿复数）；invention 发明；cut 切割，为本课时交际、鲁班故事核心词汇。 三、读句子，选最佳答案 答案：1.A；2.A；3.B；4.B；5.B 解析： 1. 固定句型 It is + adj. + to do sth. 做某事很简单，选 to； 2.will 后接动词原形，表示将要使用梯子，选 A； 3.It was slow to cut wood 过去做某事很慢，不定式作真正主语，选 B； 4.than 提示形容词比较级 easier，手推车让搬运更轻松，选 B； 5.long ago 很久以前，动词用过去式 invented，选 B。 提升练 四、连词成句 1.②①④③ Lu Ban invented the saw. 解析：一般过去时，鲁班发明了锯子。 2.⑤③②①④ The leaf has sharp teeth. 解析：主系表，叶片带有锋利锯齿。 3.③②④⑤ Inventions make our lives easier. 解析：主谓宾，发明让我们的生活更便利。 五、根据对话情境，从方框选句子补全对话 答案：1.A；2.B；3.C；4.D；5.E 解析： 1. 询问搬运工具，手推车运木板，选 A； 2. 登高工具是梯子，选 B； 3. 鲁班从锋利叶片得到灵感，选 C； 4. 锯子方便切割木头，是伟大发明的原因，选 D； 5. 收尾感叹中国古代发明影响深远，选 E。 六、问答匹配 答案：1-B；2-C；3-A；4-E；5-D 解析： 1. 手推车作用：轻松搬运重物； 2. 梯子用途：登上高处树屋； 3. 叶片特点：带有锋利锯齿； 4. 鲁班造锯的缘由：叶片划伤手指； 5. 锯子优势：切割木头更简便。 七、英汉翻译 1. 搬运厚重木板 2. 借助梯子攀爬 3. sharp leaf 4. ancient Chinese inventions 5. 锯子让切割木头变得轻松许多。 八、句子排序 答案：A B C D E F 解析：对话逻辑：开篇讲述阅读鲁班造锯的故事；对方提问鲁班发明锯子的灵感；回答带锯齿的树叶划伤了他；因此鲁班造出世界上第一把锯；感叹这是巧妙又伟大的发明；补充说明直到现在人们还在使用锯子。 拓展练 九、【表文转换】参考句子 We can use a cart to carry heavy wood and boards. We can use it to reach high tree houses safely. It helps people cut wood quickly and 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 $