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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
问答小能手。(给问句找答句)
A.Yes, I will.
B.I want a tea hamburger.
C.I will do my homework.
D.No, I haven't.
E.He watched TV.
1.What will you do tomorrow? (_______
2.Have you got a letter? (_______
3.What did he do last night? (_______
4.Will you fly a kite tomorrow? (_______
5.What did you eat yesterday? (_______
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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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