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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
在方框中选择合适的选项把对话补充完整。

Linda: Look at the monkeys! They are ____ all the time.
Takuya: Look! ____ swinging?
Linda: Father monkey.
Takuya: Hey, Linda. Look at those two monkeys. ____ fighting?
Linda: Oh, yes. They are fighting!
Takuya: ____ the smallest monkey. He's under his mother's belly.
Linda: ____!
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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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