学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.85
所属科目:小学英语
选择正确的选项,使其成为通顺的句子
A. It’s under the desk.         
B. Yes, it is.           
C. Sure. Here you are.
D. I’m in the room.
E. She is my mother.
1.Who’s that woman? (________
2.Where is my toy car? (________
3.Is it in the bag? (________
4.Where are you? (________
5.Can I use your ruler? (________
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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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