Before I watched ____ 3-D film Life of Pi, I had never seen ______ wonderful film like this.
A:the; a
B:a; a
C:the; the
D:a; the
方程 2x+1x−1 =3的解是( )
《曹刿论战》中能够体现“取信于民”的观点的句子是:“____,____,____。”