学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.64
所属科目:小学英语
给句子选择合适的单词。
[[QOrDeR]]I want to be your friend __________ (too/to).
【小题2】__________ (Has/Have) Linda got a toy panda?
【小题3】I live in Beijing, but I am not __________ (China/Chinese).
【小题4】I've got a stamp __________ (from/for) China.
【小题5】Please__________ (open/opens) the window.
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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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