学进去-教育应平等而普惠
试题
类型:单词拼写
难度系数:0.40
所属科目:小学英语
根据句意及单词的首字母,完成单词拼写。
1.Let’s c______________ our classroom.
2.My mother is c______________ the milk in the kitchen.
3.The family is cleaning the house. They are really b______________.
4.There are many sweet grapes in the g______________. Let’s pick some.
5.The apple tastes(品尝)nice and s______________.
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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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