学进去-教育应平等而普惠
试题
类型:排序题
难度系数:0.65
所属科目:小学英语
给下列句子排序,组成一段完整的对话。
(      )OK. Here is my passport.
(      )Oh, it’s here. It’s in my pocket.
(      )May I have a look at your passport and ticket?
(      )And your ticket?
(      )Don’t worry. Please look for it carefully.
(      )Ticket? Let me see. I put it in my bag. But it’s not here now.
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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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