A:培育籼型杂交水稻
B:研制“两弹一星
C:取得奥运会金牌
D:制定“八六三计划”
已知两条直线l1:x+m2y+12=0和l2:(m﹣2)x+3my+4m=0,则l1∥l2是m=﹣1的( )
—What a nice car! Is it yours? —Yes! I _____ it for three months.