学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.65
所属科目:小学英语
我问你答。
A. No, I don’t.
B. Yes, I am.
C. Yes, she is.
D. Read books.
E. They are going to the cinema.
[[QOrDeR]]Are you going to Beijing next weekend? (_____
【小题2】What is your father going to do tonight? (_____
【小题3】Is Lily going to the zoo this afternoon? (_____
【小题4】Do you often take a trip? (_____
【小题5】Where are your parents going tomorrow? (_____
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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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