6.Where is the phone number?
A.On the woman’s desk.
B.On the man’s desk.
C.On Mr.Brown’s desk.
Conversation4
5.What is the man’s phone number?
A.733201. B.322301. C.633201.
4.Why does she want to go to hospital?
A.Because her daughter is ill.
B.Because she is ill.
C.Because her son is ill.
Conversation3
3.How long will it take the woman to get to the hospital if she takes a bus?
A.60minutes. B.45minutes. C.15minutes.
2.What time will they go to see the new movie?
A.On Sunday evening.
B.On Sunday afternoon.
C.On Sunday morning.
Conversation2
1.What will they do on Saturday night?
A.Have a picnic.
B.Dance in the home of Mark and Mary.
C.Have dinner with Mark and Mary.
22.(12分)在平面直角坐标系xOy中,已知圆的圆心为Q,过点
且斜率为
的直线与圆Q相交于不同的两点A、B.
(1)求的取值范围;
(2)是否存在常数,使得向量
与
共线?如果存在,求出
的值;如果不存在,请说明理由。
21.(12分)已知直线
(1)求点关于直线
的对称点
的坐标;
(2)求直线关于直线
的对称直线
的方程。
20.(12分)已知圆圆
则
为何值时,
2
圆与圆
相切;
3
圆与圆
内含。
19.(12分)
已知线段PQ的端点端点Q在圆
上运动,求线段PQ的中点
的轨迹方程。
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com