学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.40
所属科目:小学英语
用所给词的适当形式填空。
1.The music room is on the ________(twelve) floor.
2.Can I ________(open) the present now?
3.She often ________(have) dinner with her parents.
4.Ten students have their ________(birthday) in July.
5.Would you like ________(visit) your uncle?
6.My sister’s birthday is on the ________(two) of May.
7.We usually have ________(third) lessons in the morning.
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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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