第5题: [单项选择]承重结构用钢材应保证的基本力学性能应是( )。 A. 抗拉强度、伸长率 B. 抗拉强度、屈服强度、冷弯性能 C. 抗拉强度、屈服强度、伸长率 D. 屈服强度、冷弯性能、伸长率 参考答案:C
第6题: [单项选择]I stared into the blackness and wondered if he was as aware of my presence as I ______. A. was of his B. was of him C. did him D. did of his 参考答案:A 答案解析:[解析] 这是一个省略句,说全了就是:if he was aware of my presence as I was(aware)of his(presence)。