学进去-教育应平等而普惠
试题
类型:单词拼写
难度系数:0.64
所属科目:小学英语
读句子,在空缺处填上合适的单词。(9分)
(1)He has short hair. She has _____ hair.
(2)Her brother is fat. His sister is____.
(3)You’re  short. She is  _____.
(4)I have big eyes. He has _____ eyes.
(5)Mr Jones has           (眼镜).
(6)I have two              (数学书).
(7)I have four          (糖果)and six       (玩具).
(8)I have five          (笔记本)
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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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