2022 英语周报 八年级 新课程 54答案

短文改错Dad asked me to buy a china flowerpot online, but I did that. A few days later, I received a text messagetelling meA pick it up at a nearby store. I went to get it, but strangely, I heard a clearly noise inside it.toclearopened a parcel, only to find that the plate had been broken into two piece. I instantly contacted witthestore owner and sent a photo to him, where could prove the truth. Soon I got a reply say ,Im sorry, I willwhicsayingsend another one tomorrow. "I had to go home with the breaking plate. The next day, I received a new flower-brokerpot with a perfect plate and I unite the first plate with glue, I have two flowerpots now lunited

37.(15分)(1)作为凝固剂(2分)维持渗透压平衡(2分)增加目的菌株浓度(2分)(2)改良胆碲铜紫溶血(2分)仅该培养基只允许鼠疫杆菌生长,同时抑制其他杂菌的生长(2分)平板划线法、稀释涂布平板法(2分)(3)将等量的变形杆菌分别接种到若干含等量不同浓度水合氯醛的培养基中,在适宜且相同条件下培养相同时间后,观察并记录变形杆菌的菌落大小和数量(3分)

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