Questions 17-20 are based on the monologue on the art of apologizing. You now have 20 seconds to read questions 17-20. When we have done something wrong, we should
A. look honest and think over the fault carefully.
B. escape from being disturbed.
C. admit the fault and express the regret.
D. forgive ourselves.
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预制混凝土构件厂中,长线台座法生产构件时,可采用______或______来张拉冷拔钢丝。
室内正常情况下,钢筋混凝土墙板的钢筋保护层应不小于______mm。
后张法中,钢筋束和钢绞线束作预应力筋时,常用的锚具有______、______、______、______等。
作者死亡后,其著作权中的署名权、修改权和保护作品完整权由作者的继承人或者受遗赠人保护。著作权无人继承又无人受遗赠的,其署名权、修改权和保护作品完整权由著作权行政管理部门保护。 ( )
A. 对
B. 错