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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
对话连线
(1)What will we do tomorrow?                        a. Danny! You can’t pick the flowers in the park.
(2) I will pick some flowers for my mother!  b. Sorry. Don’t be angry. I will not do it.
(3)Danny, that’s wrong.                                  c . we will go to the park.
(4) It’s rainy.                                                      d. It will be hot soon. I need a fan.
(5)Summer is coming.                                    e. I will not go to the zoo today. I don’t want to get wet.
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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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