A:疱(bāo)官起讫(qì)恃(sì)才放旷
B:谮害(zèn)佯(yáng)装麾(háo)军回战
C:绰(chāo)取丞(chéng)相对(duì)答如流
D:西蜀(shǔ)禀(lǐng)请诈(zà)败而走
若圆C:x2+y2+2x-4y+3=0关于直线ax+by+6=0对称,则由点a,b向圆C所作的切线长的最小值是( )
This is the .There are many books.
下列做法与“Made by China”(即中国创造)理念相一致的是( )