学进去-教育应平等而普惠
试题
类型:选择题(新)
难度系数:0.85
所属科目:高中语文
下列选项中错别字最少的一项是(     
A.嘉宾                                        桑树巅                                 仓惶北顾                           一片神鸦社鼓
B.慷慨                                        这次弟                                 契阔谈宴                           万里悲秋常做客
C.青崖                                        烦霜鬓                                 食野之萍                           大江东去,浪涛尽
D.瀛洲                                        粟深林                                 转轴拔弦                           安能摧眉折腰侍权贵
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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

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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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