九年級(jí)公開課課件unit9sectiona(存儲(chǔ)版)
【正文】 d for? It’s/They’re … used for… alarm clock It’s an annoying invention. Because it wakes me up when I’m sleeping. I think puter is the most helpful invention. Because it helps me search the information that I need. A survey: What do you think is the most helpful/annoying inventions? Name Helpful inventions Why Annoying inventions why Useful expressions: A: What do you think is the most helpful/annoying invention? B: I think the most helpful invention is… A: Why is that? B: Well, it gives/helps people… Who was (telephone) invented by? It was invented by Bell. Henry Ford Edison Bell Ts’ai Lun Wright brothers fisher inventors inventions Papermaking Plane Washing machine Light bulb Car Telephone 1976 1971 1876 1927 1885 When was it invented? It was invented in 1b Listen and match the inve
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