Iwrotealetterofcomplaint(投诉),andtheairlinehavepromisedtothematter.A.lookatB.lookintoC.lookafter
I wrote a letter of complaint ( 投诉 ) , and the airline have promised to _______the matter .
A . look at B . look into C . look after D . look out
B
∵EM是⊙O的切线,怎么推出EB•EC=EM2①?,看题后回答.(2005•温州)如图,已知四边形 2020-05-21 …
如图,已知O为矩形ABCD对角线的交点,过点D作DE∥AC,过点C作CE∥BD,且DE、CE相交于 2020-06-23 …
用以下英文宇母填在上a,a,a,a,a,a,b,e,e,d,e,e,e,e,e,e,f,g,g用以 2020-06-24 …
(2008•泰州)如图,已知以直角梯形ABCD的腰CD为直径的半圆O与梯形上底AD、下底BC以及腰 2020-07-07 …
如图,已知Rt△ABC,∠C=90°,D为BC的中点,以AC为直径的⊙O交AB于点E.(1)求证: 2020-07-17 …
(2008•徐汇区二模)如图所示,⊙O的半径OA=1,点M是线段OA延长线上的任意一点,⊙M与⊙O 2020-07-24 …
写单词,这些单词打乱顺序了!:1.d,f,e,n,i,f,e,r,t,()2.g,h,o,e,t, 2020-07-26 …
已知,A(0,-3),B(4,3),C(7,0),O(0,0),现将一块三角板的直角顶点D落在线段 2020-07-30 …
如图,设三角形的外接圆O的半径为R,内心为I,∠B=60°,∠A<∠C,∠A的外角平分线交圆O于E 2020-07-30 …
以圆O外一点P,引圆的两条切线PA,PB,A,B为切点.割线PCD交圆O于C,D.又由B作CD的平 2020-07-31 …