This is Billy and his brother's bedroom . It's not very big , but it's very clean . There is a desk between (在...中间)the beds . There are some books on the desk .Some are Chinese books , some are English books . There is a phone on the desk . One is for Billy , and the other (另一个)is for his brother .There is a map of America on the wall . There is a map of the world on the wall too.Billy and his brother like the bedroom very much .
1.The bedroom is small , and it's clean .(
2.There are three desks in the bedroom . (
3.Only Chinese books on the desks . (
4.There are two maps on the wall . (
5.There isn't a phone in the bedroom . (
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同类型试题
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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
![](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)