学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.64
所属科目:小学英语
填上适当的词完成句子。(20分)

(1)What's your________?
(2)Glad________meet you.
(3)This________Peter.
(4)Show________your hand.
(5)This is________book.
(6)How________you?
(7)I'm________.Thanks.
(8)Not________good.
(9)Look________my arm.
(10)Not very________.
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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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