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Step 2 Think, choose and write（拓展性作业）
体验区还提供了三个仿真情境体验，同学们正在体验不同工具，请你填入恰当的内容，帮他们完成报告。
1. My father wants to read a book during a trip. He can take an e-book reader. It's
2. My grandpa wants to enjoy the views along the road to the park. He can go there
3. I want to .
I can .
It .
体验区还提供了三个仿真情境体验，同学们正在体验不同工具，请你填入恰当的内容，帮他们完成报告。
1. My father wants to read a book during a trip. He can take an e-book reader. It's
lighter
(light) than paper books. 2. My grandpa wants to enjoy the views along the road to the park. He can go there
by bike
(bike). It moves more slowly
(slowly) than a car. 3. I want to .
I can .
It .
答案
1. lighter 2. by bike; more slowly 3. 略
Step 1 Read and choose（基础性作业）
第四站，同学们来到了“中国古代发明故事展”。请你梳理故事内容，帮忙把弄乱的句子卡片放回故事地图。
Story map
Title
Lu Ban and the saw
Character
Lu Ban (a famous inventor in ancient China)
Setting
On a mountain in ancient China
Cause
1.
What did he do?
2.
3.
4.
Effect
He made the first saw in the world.
5.
A. A leaf cut Lu Ban’s finger.
B. People are still using saws today.
C. He saw many sharp teeth on the leaf.
D. He looked at the leaf carefully.
E. He thought, “I can make a tool with teeth like these. It can cut things easily.”
第四站，同学们来到了“中国古代发明故事展”。请你梳理故事内容，帮忙把弄乱的句子卡片放回故事地图。
Story map
Title
Lu Ban and the saw
Character
Lu Ban (a famous inventor in ancient China)
Setting
On a mountain in ancient China
Cause
1.
A
What did he do?
2.
D
3.
C
4.
E
Effect
He made the first saw in the world.
5.
B
A. A leaf cut Lu Ban’s finger.
B. People are still using saws today.
C. He saw many sharp teeth on the leaf.
D. He looked at the leaf carefully.
E. He thought, “I can make a tool with teeth like these. It can cut things easily.”
答案
1. A 2. D 3. C 4. E 5. B
