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一、选择题 (每小题 3分 ,共 30分 )1.下列说法中 ,正确的是 ( ) .(A) - 1的绝对值是± 1(B) 0的平方根是 0(C) 13是最简二次根式(D) 12-3 等于 - 182 .已知等式 x2 - 4x + 4x - 2 + (x - 2 ) 2 =0 .则x的值为 ( ) .(A) 1 (B) 2 (C) 3 (D) 1或 3.3.已知关
First, the multiple-choice questions (3 points for each question, a total of 30 points) 1. In the following statement, the correct is (). (A) - The absolute value of 1 is ± 1 (B) The square root of 0 is 0 (C) 13 Is the simplest quadratic (D) 12-3 equal to - 182. The known equation x2 - 4x + 4x - 2 + (x - 2) 2 =0. Then the value of x is () .(A) 1 ( B) 2 (C) 3 (D) 1 or 3.3. Known