资源缺乏、自然条件恶劣的农村,残病者组成的家庭可能陷入()状态。
参考答案:长期贫穷
Friendship can't be ________in terms of money but money is an effective means to ______ how
strong the friendship is. [ ]
A. measured; test
B. weighed; weigh
C. measured; measure
D. tested; measure
直墙式衬砌一般用于()。
A.垂直围岩压力为主,水平压力小
B.垂直压力小,水平压力为主
C.膨胀性地层
D.以上三种都不是