问题
选择题
Lady Gaga has put off her concerts because of the difficulties _____ by the ongoing strikes.[ ]
A. causing
B. to cause
C. to be caused
D. caused
答案
答案：D
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Lady Gaga has put off her concerts because of the difficulties _____ by the ongoing strikes.[ ]
A. causing
B. to cause
C. to be caused
D. caused
答案：D
钢筋混凝土框架结构，总高度H=64m，经计算已求得第6层横梁边跨边端的弯矩标准值如下表所示。
题65表
| 荷载类型 | 永久荷载 | 楼面荷载 | 风荷载 | 地震作用 |
| 弯矩值(kN·m) | -25 | -9 | 18 | 30 |
A．-74.4
B．-79.44
C．-89.5
D．-76.9