The correct symbol of “ therefore” is________.
#17215
A
∵
B
∴
C
﹤
D
﹥
推荐题目
______ is one of the greatest scientists, who won the Nobel Prize for physics.
#17253
A
Yuan Longping
B
Bisheng
C
Yang Zhenning
D
Zheng He
The correct symbol of “ therefore” is________.
______ is one of the greatest scientists, who won the Nobel Prize for physics.