学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.65
所属科目:小学英语
选择配伍
1.Where is Daming?                                             
A.Let's drink some water.
2.Don't shout, please! My brother is sleeping.
B.Great!
3.I feel thirsty.
C.I have no go to bed.
4.Let's go to the park.
D.He's in the living room.
5.It's ten o'clock in the evening.
E.Sorry. I didn't know that.
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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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