第27题: [单项选择]Questions 30 to 32 are based on the passage you have just heard. A. Passive. B. Optimistic. C. Pessimistic. D. Complaining. 参考答案:B 答案解析:[听力原文] What is the speaker’s attitude toward air conditions in the future
第28题: [多项选择]受拉区钢筋绑扎搭接的设置要求() A. 要有足够的搭接长度 B. 接头不宜位于弯距最大处 C. Ⅰ级钢筋末端应做弯钩 D. 接头不宜位于梁端箍筋加密处 参考答案:A,B,C,D