题目

—What's your plan for the summer holidays? —I will go to Beijing________the school term ends.   A.in order that   B.so that   C.as soon as      D.even though 答案：C16．已知圆C过坐标原点，面积为2π，且与直线l：x-y+2=0相切，则圆C的方程是（　　）A．（x+1）2+（y+1）2=2B．（x-1）2+（y-1）2=2或（x+1）2+（y-1）2=2C．（x-1）2+（y-1）2=2或（x+1）2+（y+1）2=2D．（x-1）2+（y-1）2=2