2Update my to - do list (Student's Book, page 21)
Invention:
Use(s):
Influence(s):

Invention: telephone
Use(s): for long - distance communication
Influence(s): made communication much easier

本题可根据题目要求，从所学内容中选择一项发明，并填写其用途和影响。“telephone”是常见发明，用途可以是“for long - distance communication（用于远距离通信）”，影响可以是“made communication much easier（使通信变得更加容易）” 。

1 Read the conversations aloud and mark the intonation (↗/↘). Then listen and check. 朗读对话并标注语调 (↗/↘)。然后听录音检查。
(1)
A: Do you know an octopus has three hearts?
B: Really? □ What an interesting fact! □
(2)
A: Look at the latest e - dictionary.
B: Wow! □ How cool it looks! □
(3)
A: Hurrah! □ Our science project won first prize.
B: Congratulations! □ What did you invent? □
A: We made a “Smart Recycling Bin”. It can sort waste by itself.
B: How clever it is! □ Can it recognise all different materials? □
A: Yes. It uses a special light to see what each waste is made of.
B: What a great invention it is! □ It helps make recycling easier for everyone.

(1)
A: Do you know an octopus has three hearts? ↘
B: Really? ↗ What an interesting fact! ↘
(2)
A: Look at the latest e - dictionary. ↘
B: Wow! ↗ How cool it looks! ↘
(3)
A: Hurrah! ↗ Our science project won first prize. ↘
B: Congratulations! ↘ What did you invent? ↗
A: We made a “Smart Recycling Bin”. It can sort waste by itself. ↘
B: How clever it is! ↘ Can it recognise all different materials? ↗
A: Yes. It uses a special light to see what each waste is made of. ↘
B: What a great invention it is! ↘ It helps make recycling easier for everyone. ↘