学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.94
所属科目:小学英语
用括号里单词的正确形式填空。
(1)I have some                ( envelope ).
(2)Do you have any            ( paper )?
(3)He’s            ( fix )his bicycle.
(4)Tony            ( have )a hang glider.
(5)He likes         ( swim ).
(6)Let’s           ( eat )some carrots.
(7)He wants         ( be )a doctor.
(8)The children        ( be )busy last week.
(9)My hobby is         ( collect )stamps.
(10)The         ( leaf )are yellow in fall.
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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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