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2019届高三数学二诊试题

2019届高三数学二诊试题
2019届高三数学二诊试题

江苏省苏州市2019届高三期期调研英语试题(含答案)

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(完整word版)2019年高考数学理科试卷全国一卷Word版和PDF版。

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2019年全国I卷高考文科数学真题及答案

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A .165 cm B .175 cm C .185 cm D .190cm 5.函数f (x )= 2 sin cos x x x x ++在[-π,π]的图像大致为 A . B . C . D . 6.某学校为了解1 000名新生的身体素质,将这些学生编号为1,2,…,1 000,从这些新生中用系统抽样方法等距抽取100名学生进行体质测验.若46号学生被抽到,则下面4名学生中被抽到的是 A .8号学生 B .200号学生 C .616号学生 D .815号学生 7.tan255°= A .-2-3 B .-2+3 C .2-3 D .2+3 8.已知非零向量a ,b 满足a =2b ,且(a -b )⊥b ,则a 与b 的夹角为 A . π6 B . π3 C . 2π3 D . 5π6 9.如图是求 112122 + +的程序框图,图中空白框中应填入 A .A = 12A + B .A =12A + C .A = 1 12A + D .A =112A +

江苏省苏州市第五中学2018-2019学年高一上学期期中考试英语试题含答案

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