学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.40
所属科目:小学英语
1. visit the Great Wall in Shanhaiguan                    a. 去电影院
2. pick up litter                                                  b. 植树
3. plant trees                                                     c. 捡垃圾
4. go to cinemas                                                d. 参观山海关长城
5. go to a science museum                                   e. 去游乐场
6. go to a puppet show                                        f. 看木偶表演
7. go to an amusement park                                 g. 去科学博物馆
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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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