下面对黄土高原的描述不对的是 ( )
A:世界最大的黄土沉积区
B:历史上长期处在牧业状态
C:地表沟壑纵横、支离破碎
D:现已成为重要能源基地
①而两狼之并驱如故____
②无丝竹之乱耳____
③不独亲其亲,不独子其子____
④山峦为晴雪所洗____
⑤斟酌损益,进尽忠言____
⑥为所识穷乏者得我与____
It's hard to stop smoking, a____people know it's really harmful.