学进去-教育应平等而普惠
试题
类型:填空题
难度系数:0.65
所属科目:小学英语
用所给词的形式填空。
1. I________(have) a birthday party yesterday.
2. What day_______(be) it last night?
3. I ________(am) a football player in the future.
4. Liu Tao __________(完成) his homework first every day.
5. My father ________ (take) me to the zoo last week.
6. Listen! Someone_________(sing) in the room.
7. It will ________(cloudy)tomorrow.
8. My mother _______ (not do) housework yesterday.
9. He _________  (bite) the net with his sharp teeth just now.
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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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