学进去-教育应平等而普惠
试题
类型:按要求填空
难度系数:0.64
所属科目:小学英语
根据所给词的适当形式填空:
(1)_______(be)there a ruler and two pens on the desk ?
No, there ________.(be)
(2)_______ (be) there ______(some) music rooms in our school ?
No, there _________.(be)
(3)_______(be) there any juice in the glass ?
Yes, there ________.
(4)How many _______(classroom)are there in it?
(5)The library is on __________ (one) floor.
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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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