第十五课

第五单元 常用工具

Unit 5 Common Tools

螺丝刀，本领大，拆装螺丝要靠它。

Screwdriver, the ability is great, disassemble the screw to rely on it.

工具箱， 工具齐，修理物品不能离。

Tool box, tools, repair items can not leave.

第十二课 组装小书架

Lesson fifteen Small shelves

问题与需求Issues and needs

1、组装小书架，把书本整理一下吧。

Assemble the small bookshelf and tidy up the books.

2、用什么工具组装呢？

What tools are used to assemble it?

3、要看看螺丝钉是什么样子的。

See what the screw looks like

探究与实践Exploration and Practice

4、观察螺丝钉与螺丝刀。

Observe screws and screwdrivers.

5、“一”字和“十”字螺丝刀是生活中常用的螺丝刀。

The words "one" and "ten" screwdrivers are commonly used screwdrivers in life.

使用螺丝刀Use a screwdriver

6、选用哪种螺丝刀呢？

Which screwdriver do you choose?

7、怎样旋转是拧紧？怎样旋转是松开？

How to rotate is tightened? How to rotate is loosened?

8、那种方式更省力？

Which way is more labor-saving?

9、注意保护手！

Watch your hands!

评价与创新 Evaluation and Innovation

10、使用螺丝刀来组装书架吧。

Use the screwdriver to assemble the shelves.

11、这些材料可以组装成什么样的书架呢？

What kind of shelves can these materials be assembled into?

12、对我的作品提出意见吧。

Make comments on my work.