一、单项选择题(共
25题,每题
2分,每题的备选项中，只有
1个事最符合题意）
1、根据何在的作用性质来分荷载可分为
__。A．均布荷载
B．集中荷载
C．永久荷载
D．可变荷载
2、为了保证建筑物的安全和必需的使用年限，基础应具有足够的
__A．强度B．耐久性
C．刚度D．稳定性
3、What can we know about the Democrats， according to the author
A．They want to help secure the retirement program.
B．They refuse to admit that the Social Security program has been successful。
C．They are making efforts to solve the crisis of the Social Security program。
D．They organize polls in order to gain political interests。
4、混凝土缺陷中当蜂窝比较严重或露筋较深时，应除掉附近 ...