2018-2022 英语周报 八年级 FJM 60答案

21.(除注明外,每空2分,共15分)(1)酵母菌(1分)20℃左右(2)在缺氧、呈酸性的环境不适合其他大多数微生物的生长(3分)先升高后稳定(3)既能杀死啤酒中的微生物,还不会破坏啤酒中的营养成分(4)温度升高到30~35℃,保证充足氧气包埋法(1分)细胞体积大,难以被吸附和结合

第二节One possible version:Dear RussellI,m glad to inform you that our school will hold anEnglish humorous story speech contest in the center hallthis Sunday in order to develop our sense of humor andpractice our spoken English. I' d like to invite you to takert in ItEvery participant is requested to prepare a humorousstory in English by themselves. So choose your story cau-tiously. The funnier your story is, the better it is. You areexpected to deliver your speech within five minutes. Youshould tell your story at a proper pace with a clear voiceLooking forward to your participation. I'm sure youwill be one of the winnersYoursLi Hu

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