学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.64
所属科目:小学英语
连线
Look at the father pig.                         1. 五只是小的
It's fat.                                       2. 两只是黑色的,四只是粉色的
And this is the mother.                         3. 这是妈妈
It's thin.                                      4. 一只是大的
Six baby pigs.                                  5. 六只猪宝宝
Five are little.                                6. 看看猪爸爸
One is big.                                     7. 它很瘦
Two are black and four are pink.                8. 它真胖
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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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