学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.64
所属科目:小学英语
完成对话。
A:This Saturday is my__⑴___birthday. We will__⑵___a party. Will you come?
B:__⑶___not? Great! (On Saturday)
A:__⑷___a nice birthday present! Thank you very much .
B:I__⑸___your grandma will like__⑹___. Where’s she ?
A:Here she__⑺___.
B:Happy birthday__⑻___you! Here’s a present__⑼___you.
C:Thanks a lot. Help__⑽___.
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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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