题型:选择题 — Remember this: ________ careful you are, ________ mistakes you will make.— We know, Miss Gao.A.The more; the more B.The more; the fewerC.The less; the fewer D.The less; the less 查看答案
题型:填空题 A.条件(1)充分,但是(2)不充分.B.条件(2)充分,但是(1)不充分.C.条件(1)和(2)单独都不充分,但条件(1)和(2)联合起来充分.D.条件(1)充分,条件(2)也充分.E.条件(1)和(2)单独都不充分,条件(1)和(2)联合起来也不充分.)直线ax+by+3=0被圆(x-2)2]+(y-1)2]=4截得的线段长度为 (1)a=0,b=-1. (2)a=-1,b=0. 查看答案