学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.94
所属科目:小学英语
对话连线
(1) What’s the Chinese saying about the Great Wall?         a. No, Don’t draw or write the Great Wall
(2) Let me write my name on the Great Wall.              b. We are lucky to see it..
(3) What a wonderful place to visit .                      c. He who does not go to the Great Wall is not a true man.
(4) Do you know more interesting things about it?          d. We can’t draw or write the Great Wall
(5) How can we keep the Great Wall clean and beautiful?   e. Yes. I know.
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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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