【单选题】Some so-called climate travelers _______ in one place for a few months and then move on to some other places as the weather changes.
【单选题】如果单元格B3中有文本“abc”,在单元格F12中输入公式=COUNTA(12, 1, B3),则单元格F12的值为______。
【单选题】下列哪一个不是边疆民族问题对少数民族政治发展的影响( )
【单选题】Why do some birds vary from place to place in their song repertoires of according to DK?
A.
It comes about perhaps because of the change of their DNA.
B.
It comes about simply due to imitation of the other birds' manner.
C.
Because the birds have learned the local dialect by learning the local dialect from generation to generation.
【判断题】湿法脱硫具有处理量大、处理剂可再生、单位处理成本低、工艺复杂,净化度低等特点。