蚌埠市2022届高三年级第四次教学质量检查考试答案

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He took it, openedI was shocked by its conten. -it was a letter fromhusband, words can not express how I feel so I have to write it down. I have been going to see a doctor for overa week and I wanted to be sure before I tell you the news. The doctor confirmed that I am pregna.t with twins.The same doctor is my long lost brother whom I lost contact with after our marriage. He has promised to takecare of me and our babies without collecting any money. He also promised to have dinner with us today.The letter fell from his hand. There was a knock at the door and the same man he had seen with his wifecame in and said,"Hello, Dave, I suppose I'm right. I am Max, the brother of your wife. "Suddenly, Maxnoticed his sister lying in a pool of her blood. He rushed her to the hospital and she was unconscious. She hadlost her twins.

29题【答案】(除标注外,每空1分共9分)(1)麦芽糖斐林(2)有无氯离子和乙醇浓度降低化学反应的活化能(3)氯离子酶的空间结构发生改变(4)未加抑制剂A(2分)