语法填smoothly 42. when43. challenging44. to achieve45a46. attitudes47.of45. 48 itself 49, better 50 are surrounded
(2-3x,x-123.(1)函数f(x)其图象如下所示(5分)(2)依题意,x-1 |x-(a 1)<2a若a≤0,显然不等式无解;(6分)若a>0,则a 1>1①当x≤1时,不等式为1-x a 1-x<2a,解得x>1-,所以1-2
以上就是英语周报2022—20答案,更多英语周报答案请关注本网站。