学进去-教育应平等而普惠
试题
类型:匹配题
难度系数:0.40
所属科目:小学英语
问答对对碰:给每个问句选出合适的答案。
( )1.What would you like for dinner?       A  Yes, pass me the fork.
( )2.Can I have some noodles, please?      B  I’d like an egg, some milk and a hamburger.
( )3.I like Chinese food.                 C  Fish.
( )4. What can you see on the plate?      D  Me too.
( )5. Can I help you?                    E  Sure. Here you are.
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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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