北師大版英語九年級unit8discoverieslesson23discoveryoftheyear課件(編輯修改稿)
2024-12-24 19:04 本頁面
【文章內(nèi)容簡介】 Charles Kettering, who said, “Believe and act as if it were impossible to fail,” these hardworking researchers tried experiment after experiment until they made a discovery that will change all of our lives for the better. While we honor you this evening, we mustn’t fet everyone who has worked so hard this year. All of you have done great work and we had a very difficult time making a final choice this year. So, in closing, I wish you a wonderful evening as we celebrate these great achievements. Now let’s give a warm
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