学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.40
所属科目:小学英语
句型转换。(10分)
(1)do, on, what, Wednesday, do you?(连词成句)
                                
(2)We have art and music at Monday.(改错句)
                               
(3)teacher  Who’s  your  music.(连词成句)
                               
(4)He is tall and strong.      (就划线部分提问)
                               
(5)Are they hard-working.(作否定回答)
                          
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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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