学进去-教育应平等而普惠
试题
类型:句型转换
难度系数:0.64
所属科目:小学英语
句型转换。
(1)do, on, what, Wednesday, do you? (连词成句)
                                    
(2)We have art and music at Monday. (改错句)
                                    
(3)It’sSaturday. (就划线部分提问)
                                    
(4)I like pork for lunch. (改为否定句)
                                    
(5)I have to eat vegetables. (译成中文)
                                    
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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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