混凝土抗折强度试验标准试件为( )。A．立方体 B．圆柱体 C．棱柱体 D．球体 发布时间：2017-06-05 05:12 │ 来源：www.tikuol.com 题型：单项选择题 问题： 混凝土抗折强度试验标准试件为( )。A．立方体B．圆柱体C．棱柱体D．球体
题型：单项选择题 根据对话情景选择恰当的选项，其中有两项是多余的。 A. You are right. B. I did badly in the exam. C. What a shame! D. That's very nice of you. E. Why are you crying? F. That's all. G. You're welcome! A: Hello, Maria! 1______ What's wrong with you? B: 2______ I'm worried about how to tell my parents the result, for they must be disappointed and unhappy. A: Don't worry! Even though your parents are strict with you, they love you very much. B: 3______ But what shall I do? A: First, please dry your tears. Then our classmates and I can help you with your subjects. B: Thank you! 4______ A: 5______ 查看答案