29.(16分,每空1分)(1)无氧0-淀粉酶、淀粉糖化淀粉酶(2)吸附醋杆菌和有利于增加透气性A降低表层温度,增加底层的氧气含量(3)终止醋杆菌过度氧化醇类耐高温二)(1)胚胎发生器官发生异养需氧型(2)原生质体(3)营养限制性调节蛋白(4)幼体A

第一节(满分15分)One possible versionDear TonyI am sorry to hear that you want to drop out and hunt for a job owing to your poor math. I strongly oppose your idea,since you can hardly find a suitable job as a high school student.Here are some suggestions on how to improve your math. Listen carefully to the teacher in class and do timely revisionafter class. Do more math exercises than others and ask your classmates or teacher for help when encountering some problemsI do hope you think twice before making a final decisionBest wishes!Yours

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