【多选题】下面关于地面观测值归算到高斯平面上叙述正确的是( )。
【简答题】A.They have a private tutor. B.They go to a regular school. C.They attend a special school. D.They are taught by their parents.
【简答题】They are_________(意识到的)of the ers.
【简答题】Every place offers the possible ers for getting hurt, even staying at work. We may face ers like walking into desks or chairs, receiving unexpected cuts from a paper knife and so on. Industria...
【单选题】地面观测值归算到高斯平面包括( )和方向改化。
【单选题】地面观测值归算到高斯平面包括距离改正和( )。
【简答题】A.The ers of attacking each kind of wildlife. B.The ers of polluting the environment. C.The ers of starting a war. D.The ers of using too much nuclear power.
【单选题】地面观测值归算到( )包括距离改正和方向改化。
【单选题】What is mainly talked about in this news item?
A.
The dangers of smoking.
B.
The dangers of second-hand smoke.
C.
The dangers of third-hand smoke.