学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.65
所属科目:高中信息技术
有如下Python程序段:   

flag =True;n = 6

while flag :

        i = 0; flag = False

        while i < n-1 :

                 if a[i] % 2 != 0 :

                              if a[i] < a[i+1] or a[i+1] % 2 == 0 :

                                          a[i] , a[i+1] = a[i+1] , a[i]

                              flag = True

                 i += 1

        n -= 1


若数组a的元素为“89,79,34,76,85,70”,则程序段执行完毕后,数组a的内容是(  )
A.[76,70,34,89,85,79]B.[34,76,70,89,85,79]
C.[34,70,76,79,85,89]D.[34,76,70,79,85,89]
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

用户名称
2019-09-19

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

用户名称
2019-09-19
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