第5题: [单项选择]有抗震设防的钢筋混凝土结构构件箍筋的构造要求,下列何者是正确的 Ⅰ.框架梁柱的箍筋为封闭式; Ⅱ.仅配置纵向受压钢筋的框架梁的箍筋为封闭式; Ⅲ.箍筋的末端做成135°弯钩; Ⅳ.箍筋的末端做成直钩(90°弯钩) A. Ⅱ B. Ⅰ、Ⅲ C. Ⅱ、Ⅳ D. Ⅳ 参考答案:B 答案解析:[解析] 有抗震设防的钢筋混凝土结构构件的箍筋构造,对框架梁柱应做成封闭式,箍筋的末端应做成135°弯钩。
第29题: [单项选择]Why did Lisa pay for the meal [A] Because she is rich and has a good job. [B] Because she likes David and likes to pay. [C] Because David did not take enough money. 参考答案:C 答案解析:[解析] 第一次约会吃饭时,没想到粗心的David没有带够钱(he didn't have enough money),所以Lisa只好付钱(had to pay),应该选 [C]。