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一、选择题:本大题共12小题,每小题5分.在第小题给出的四个选项中,只有一项是符合题目要求的.(1)复数101()1ii-+的值是(A)1-(B)1(C)32-(D)32(2)tan15cot15+暗扔?(A)2(B)23+(C)4(D)43/3(3)命题p:若,abR,则||||1ab+是||1ab+的充分而不必要条件.命题q:函数|1|2yx=--的定义域是(
First, the multiple-choice questions: The title of a total of 12 small questions, each small topic 5 points. Among the four options given in the first question, only one is in line with the requirements of the title. (1) plural 101 () 1ii-+ Values for (A) 1-(B)1(C)32-(D)32(2) tan15cot15+throw?(A)2(B)23+(C)4(D)43/3(3) The proposition p: if, abR, then ||||1ab+ is a sufficient and unnecessary condition for || 1ab+. The definition of the proposition q: function |1|2yx=-- is (