学进去-教育应平等而普惠
试题
类型:排序题
难度系数:0.65
所属科目:小学英语
重排句子组对话。
(________) 1. No. it isn’t. I’m afraid it was lost.
(________) 2. I put it in your school bag yesterday evening. Is it there?
(________) 3. Where is my wallet, Mom?
(________) 4. Look! What’s that?
(________) 5. Oh, it’s your wallet. Here you are.
(________) 6. Thank you, Mom.
(________) 7. That’s too bad. You should be more careful.
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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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