学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.64
所属科目:小学英语
给下列问句选出正确的答语。
()1.What’s your name?
()2.Who’s that woman?
()3.Who’s this man?
()4.Who’s that man?
()5.Who’s this boy?
A.He’s my grandfather.
B.I’m Chen Jie.
C.She’s my mother.
D.He’s Andy.
 
E.He’s my father.
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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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