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. Can I have a look?                                                a. No, I don’t.
2. Would you like a cake?                                      b. Eight.
3. Do you like dogs?                                                    c. OK.
4. What do you like?                                                    d. Yes, please.
5. How many stickers do you have?            e. I like dogs.
6. What can you do?                                                    f. Yes, she can.
7. Can Helen make a cake?                                 g. I can play table tennis.
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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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