A:主动热情,掌握分寸
B:无拘无束,勿分性别
C:绝不主动,避免交流
D:亲密无间,形影不离
已知函数fx=12x-x13,那么在下列区间中含有函数fx零点的是( )
—I don't know if it ____ tomorrow.
—Well, if it ____, I won't go out with you.
世界上面积最大的岛屿是( )
The baby animal likes to sleep in the daytime and plays in the evening.