【单选题】某班同学的下列行为中,属于公民参与政治的是( )
【单选题】If water becomes increasingly scarce in decades _____, water shortage will become a hot issue all over the world. [ ]
【单选题】This passage is mainly about ______.
A.
water shortage problem
【单选题】The chief causes of water shortage are population growth and water pollution.
【单选题】Only when the villagers were faced with water shortage___ how serious the problem of water pollution was.
【单选题】基坑开挖首先从地表面向下至设计高程,然后在基坑内的预定位置由下而上地建造主体结构及其防水措施,最后回填土并恢复路面的施工方法称为()。