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【 英語(yǔ) 】 Unit9 When was it invented Section A課件 (新目標(biāo)九年級(jí) ) Section A 吳 春 燕 龍 港 三 中 Museum Invention Museum How much is it? 18 How much is it? Rule Only one group that gets the most scores(分?jǐn)?shù) )can enter the museum. Guessing: What is it? Guessing: What is it? Guessing: What is it? Microwave oven It is used for cooking and heating food (加熱 ) What food can be heated in it? What is it used for? It is used for counting. calculator What are they used for? They are used for gi