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当前学科：建筑九大员继续教育
题目：
单选题
下列不属于混凝土搅拌机质量式称量装置按构造分类的是（）。
A
机械杠杆秤
B
传感杠杆秤
C
传感电子秤
D
机械电子秤
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Dear Jone, I am writing to apologize(1)my immediate going home after the exam(2)saying goodbye to you．It was very rude(3)me to do so especially as we have been such good friends. You know, shortly after the exam, I received a telephone call(4)my father, saying that my elder sister had borne a baby the day before．I was so pleased(5)this news that I couldn't wait to get home to see my elder sister and my niece．I left in such a hurry that I didn't have time to tell you．I feel terribly sorry(6)that. To make(7)for my thoughtless behavior toward you, I want to invite you to come and stay(8)my family during the vacation．My hometown is located(9)a city(10)the seashore and this is the most beautiful season of my hometown. I believe you can understand me and accept my sincere apologies．How I wish I could see you soon in my hometown! Please write and let me know your decision.Yours,
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