新目標(biāo)九年級u11同步輔導(dǎo)資料-在線瀏覽
2025-02-03 09:46本頁面
【正文】 adding machine was invented? It was invented in the U. S. When was the adding machine invented? It was invented in 1885. What is the adding machine used for? It adds numbers. 2. Who invented the passenger balloon? Joseph and Etienne Montgolfier invented it. Can you tell me where the passenger balloon was invented? It was invented in France. When was the passenger balloon invented? It was invented in 1783. What is the passenger balloon used for? It takes people up in the air. 3. Who invented the CD player? James Russell invented it. Can you tell me where the CD player was invented? It was invented in the United States. When was the CD player invented? It was invented in 1965. What is the CD player used for? It plays music. 4. Who invented the electric battery? Alessandro Volta invented it/the electric battery. Can you tell me where the electric battery was invented? It was invented in Italy. When was the electric battery invented? It was invented in 1800. What is the electric battery used for? It’s used in flashlights and cameras. 要點 知識與技能 1.
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