皮皮学，免费搜题
登录
搜题
【简答题】
已知定点Q（0，5）和圆C：（x+2） 2 +（y-6） 2 =4 2 ． （1）若直线l过Q点且被圆C截得的线段长为 4 3 ，求直线l的方程； （2）求过Q点的圆C的弦的中点P的轨迹方程，并指出其轨迹是什么？
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】______ our football team failed in the match, we tried our best. [ ]
A.
As
B.
Though
C.
Because
【简答题】用所给词的正确形式填空。 1.________ (luck), our team tried our best but could never win the first prize. 2.The policeman told the boys________(not play)football near the road. . 3.Don't make the baby _________( c...
【简答题】It is said that more middle school graduates will be admitted into universities, this is the information ______ has been put forward． A．what B．that C．when D．as
【单选题】() our team tried best () we failed.
A.
Though / but
B.
Because / so
C.
If / and
D.
Though /
【单选题】_______our football team failed in the match, we tried our best.
A.
Though
B.
Because
C.
But
【简答题】胚胎早期，整个绒毛膜表面绒毛均匀分布，之后，（1）侧的绒毛膜血供匮乏，绒毛退化消失，形成表面无绒毛的（2）。（3）侧的血管充足，绒毛反复分之，生长茂密，称（4）。
【简答题】胚胎早期，整个绒毛膜表面绒毛均匀分布，之后，（ ）侧的血管充足，绒毛反复分之，生长茂密，称丛密绒毛膜。
【单选题】—I wonder _______. —By searching the Internet.
A.
how you got the information
B.
when you got the information
C.
how did you get the information
D.
where did you get the information
相关题目：
【单选题】______ our football team failed in the match, we tried our best. [ ]
A.
As
B.
Though
C.
Because