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学进去-教育应平等而普惠
试题
类型:选词/短语填空
难度系数:0.65
所属科目:小学英语
my     your       his       her       our       their

1.—Is this _______ school bag?   —Yes, it is.
2.This is my friend, Jack. _______ father is a policeman.
3.They are students, _______ school bag are over there.
4.I’m tall, I am a girl, _______ hair is long.
5.Miss Li is _______ English teacher, we like _______ very much.
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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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