学进去-教育应平等而普惠
试题
类型:单词拼写
难度系数:0.65
所属科目:小学英语
根据中文及句意写单词。
1. Edison ________(发明)about l,000 inventions during his life.
2. Li Zhonghua is one of the greatest ________(飞行员)in China.
3. Yao Ming has played basketball well in the NBA. He is the ________(骄傲)of China.
4. Everyone is here. No one is ________(缺席的).
5. Having too many cooks ________(搞糟)the broth.
6. Everyone can be ________(成功)someday.
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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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