有5条线段长度分别为1,3,4,5,7,从中任取三条为一组,它们一定能构成三角形的频率为( )
A:0.15
B:0.10
C:0.20
D:0.30
判断句式。
为什么我的眼里常含泪水?因为我对这土地爱得深沉……( )
—Would you like to visit Taiwan with me this summer holiday?
—_____________. Because my family plan to go to another place.