1.What’s wrong with the girl?
![](http://static.xuejinqu.com/qimg/8ba/8ba979c67f800523b62ad7c77ab4fac5.png)
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2.What should he do?
![](http://static.xuejinqu.com/qimg/028/028fb283492a51091513b9c2a2914192.png)
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3.What’s this picture about?
![](http://static.xuejinqu.com/qimg/546/546ad7cd65518b040170336c06c89088.png)
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4.Where will you go?
![](http://static.xuejinqu.com/qimg/2fb/2fb51491496b47ea0d39085552ac4020.png)
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5.What is he doing now?
![](http://static.xuejinqu.com/qimg/f64/f642cea02d6e9665e6d009baebf762c0.png)
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![](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)