下面的是2009年的北京卷高考题：Being a parent is not always easy, and being the parent of a child with special needs often carries with ________ extra stress. A. it B.
Andrew Reynolds, acheerful fellow in his early 30s, pilots Sydneyferryboats for a living. I spent the whole morning shuttling back and forthacross the harbor. After our third run And...
For small pieces of weather -- and to a global forecaster, small canmean thunderstorms and blizzards -- any prediction deteriorates rapidly. Errorsand uncertainties multiply, cascadingupward...