A.Yes, it is. | B.No, it isn't. |
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![](http://static.xuejinqu.com/qimg/a02/a025118d99a2b0c6291fe9ec0d2ce732.png)
2. —Is it a monkey?
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![](http://static.xuejinqu.com/qimg/8e6/8e6fd10f8e9cea78545e7390026780dc.png)
3. —Is it a dog kite?
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![](http://static.xuejinqu.com/qimg/6f3/6f381fcd72f1ab1e408f2bf9a39d47b8.png)
4. —Is it a monster?
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![](http://static.xuejinqu.com/qimg/852/8522536a55485682ca39d002f9df0683.png)
5. —Is it a schoolbag?
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![](http://static.xuejinqu.com/qimg/20d/20d7f1cab2add3374987bb98304c52e5.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)