甲、乙两人参加植树活动，两人共植树20棵，已知甲植树的棵数是乙的1.5倍。如果设甲植树x棵，乙植树y棵，那么可以列方程组为（ ）。
To smoke a cigarette after meals seems to him a habit _________.
A．to never break
B．never to have broken
C．never to be breaking
D．never to be broken
In relation to close corporation law, discuss a member’s power to bind the close corporation in contract. (10 marks)
