Some insects________the colour of their surroundings to protect themselves.

d like to buy some good English reference books,but _______ was available from the bookstore, where I only found some Chineseones.

Would you mind turning down the music— .

It is the country _____I studied English _____ I am going to visit next week [ ]

依次填入下列横线处的词语，最恰当的一组是①尽管就业形势非常严峻，但我国近年来________就业的力度空前加大。一个有助于再就业的社会网络正在形成。②各级领导干部都要以强烈的责任意识，敢于担当的精神，不________敷衍，不打折扣，不讲得失，全力履行自己的义务。③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。