1.
![](http://static.xuejinqu.com/qimg/efb/efba0709692efd05529bb8e6b74d797a.png)
—How many children does Mr Black have?
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2.
![](http://static.xuejinqu.com/qimg/be3/be3118d48b2504288ac7ceff1dceb871.png)
—Did Tom play chess with Alice last weekend?
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3.
![](http://static.xuejinqu.com/qimg/76d/76dfc7898b217c969fb69c2f674769f6.png)
—Where did the rabbits live in the past?
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4.
![](http://static.xuejinqu.com/qimg/da2/da29556f39edf7faffd476559904b501.png)
—What did your grandpa do last Wednesday?
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5.
![](http://static.xuejinqu.com/qimg/7a3/7a3995be2a6d8a3d7e1173bf5223ae20.png)
—Why were the rabbits tired?
—
![](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)