题目

        I was in desperate need of a break.The “witching hour”,was upon us once again,dinner was burning on the stove,and fights were  41  between my two children.The crying was never- ending and I was  42  the end of my rope.But I was holding down the fort until way after bedtime.         I  43  a friend who has four children the same ages as mine,and she was in a similar  44  .Our husbands were  45  the same meeting that night.I could hear the screaming in the  46  ,interrupted by Jen’s shouting.She kept  47  the phone to pick up the baby because he下列关于京杭运河的表述，正确的是A.沟通海河、黄河、淮河、长江、钱塘江五大水系B.年运输量居全国第三位C.穿过北京、天津、上海三个直辖市D.全长180千米，是世界最长的人工运河