A:How come
B:What do you recko
C:What for
D:So what
针对黄土高原地区地表现状,应采取的治理措施是( )
①植树种草,增加植被覆盖率 ②合理安排生产活动,退耕还林还草 ③杜绝放牧,禁止发展畜牧业 ④整修梯田,修筑挡土坝等工程
Before I watched ____ 3-D film Life of Pi, I had never seen ______ wonderful film like this.