题目

若直线ax＋by＝1与圆x2＋y2＝1相交，则点P(a，b)的位置是( ) A．在圆上      B．在圆外 C．在圆内      D．以上均有可能 答案：B [解析] 几何法：圆心(0,0)到直线距离小于1， ∴<1，∴a2＋b2>1， ∴点P(a，b)在圆x2＋y2＝1外．课文填空I often go to  1 with my friends, Mike. My   2 actor is Paul Jackson. He has a new movie, My Father’s   3.It’s a very funny   4 Mike likes the actor Rick Smith. He  5 likes his movie, Black  6 .It’s a very  7  movie, but I think it’s 8 . One   9_____ thing: Mike is English, but he likes Beijing Opera! He often goes to see Beijing Opera on  10 .Mike’s  father likes it, too!