学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.65
所属科目:小学英语
1. Who’s your music teacher?                    a. Yes, he is.
2. Is he funny?                                        b. Yes, I do.
3. What’s she like?                                   c. She is polite.
4. What would you like to drink?               d. Thank you.
5. Here you are.                                     e. Miss Green.
6. Do you often play football?                  f. I’d like some tea.
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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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