小地区高程控制测量常用的方法有(),()、()。
参考答案:三、四等水准测量,图根水准测量,三角高程测量
_____ cleaning the doghouse was the last thing I wanted to do, I did it with all my efforts.
A.Although
B.As
C.As long as
D.Now that
劳动保障监察机构的职责主要是( )。
A.法律宣传
B.监督检查
C.筹集基金
D.保障就业