若动点A，B分别在直线l₁：x+y﹣7=0和l₂：x+y﹣5=0上移动，则AB的中点M到原点的距离的最小值为（　　）

根据短文内容和所给中文提示，写出空白处各单词的正确形式。每空限填一词。
    Season Two of Where Are We going, Dad?, a show on Hunan TV, is even more ____(令人兴奋的) than the first.
    Huang Lei— a director，actor，singer and teacher, is a good father. He couldn't be more ____(耐心的) and had to ____(惩罚) Duoduo, his daughter for making some ____(错误) when he takes care of her. As a smart father, Lu Yi certainly knows how to look ____(有帮助的). His daughter Bei'er is a ____(明智的) child who behaves well. And Yang Wei has showed his quiet side. And Yang's good life ____(技能) make it quite easy for him to look after his son on his own. And Yang Yangyang is a good ____(例子) of the saying, "Like father, like son". Malaysian singer Gary Chaw certainly knows how to get along with his ____(孩子们)，Joe and Grace, the brother and sister are sweet. The family laugh and cry ____(一起) and share their most unforgettable moments with each other.

阅读下面的诗歌，完成后面小题。

野望（唐）杜甫

西山白雪三城戍① ，南浦清江万里桥② 。

海内风尘诸弟隔，天涯涕泪一身遥。

惟将迟暮供多病，未有涓埃③ 答圣朝。

跨马出郊时极目，不堪人事日萧条。

【注】①三城戍：西山三城的堡垒，三城，与吐蕃临界，为蜀边要塞。②南浦句：南浦，泛指送别之地。万里桥，在成都杜甫草堂的东边。③涓埃：细流与微尘，比喻微小。

The trees and flowers ____(忘记生长).

下列各项除杂所用方法正确的是（   ）