【单选题】Isogonic lines are lines on a chart indicating ______.
A.
points of equal variation
B.
points of zero variation
【单选题】In the figure, red lines represent ( ) (Single option:10 Points)
A.
The frontal limiting lines
B.
The horizontal limiting lines
C.
The profile limiting lines
【简答题】把你的爸爸或妈妈的作息时间填入下表. 起床 上午上班 上午下班 下午上班 下午下班
【单选题】In the figure,red lines represent () (Single option:10 Points)
A.
The horizontal limiting lines
B.
The frontal limiting lines
C.
The profile limiting lines