依次填入下列各句横线处的成语，最恰当的一组是（ ）①任务重、工期紧、条件艰苦是水电建设的显著特性，对此，征战江河数十载，在水电站建设中屡建战功的中国水利水电第三工程局的员工早已__________。②依据职称的评定标准，教师们将注意力从正常的教学中转移了出来，时间久了，自然会对这套标准带来的戕害__________。当他们从这套标准中不断受益，就更难自觉做出反思和批判。③看着自然保护区随意丢弃的塑料袋、竹签和啤酒瓶，再看看环卫工人疲惫的身影，记者心里很不是滋味：禁止烧烤的标牌在不断增加，可就是有那么一些人__________，自觉自律真就这么困难吗

Will you please ______me some snacks

Paul , please take this CD to ______ English teacher .—OK .

_________ Services at Harvard University offers support to disabled students in finding an ideal place to live in.

.—Excuse me_________ did you say you’d like to do,Miss Kilp? — I said I’d better go back to the office.I’m going to meet someone this afternoon