盒子里有两种颜色的棋子，摸到三个棋子就能保证有两个棋子同色。[ ]
正确
_____ your son has no interest in piano ,there is no point pushing him to learn it.
A Now that B So that C Even if D As if
1936年10月，红军三大主力胜利会师，结束了长征。会师地点是（）
A.四川懋功
B.甘肃会宁
C.陕北吴起镇
D.陕北直罗镇
