过点A(2,0)向圆x2+y2=1作两条切线AM和AN(见右图),则两切线和弧MN所围成的面积(图中阴影部分)为( )。
参考答案:E
解析:
Jane didn't sleep his father came back last night. [ ]
A. when
B. after
C. before
D. until
在Word 2003中,宏的程序是用VC编写的。