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
Read and write(读一读,填上合适的单词,每线一词)
1. The pigs go "Oink... Oink... " .The ________go "Nay  Nay...". The________ go "Peep... Peep..." .The ________go "Quack... Quack..." .The ________go "Moo... Moo... " .The ________go "Baa... Baa ".   
2. Look, this________ a big cat and these ________small dogs.   
3. Please________ pick flowers in the park. You ________pick the flowers in the park.
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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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