Sam: What’s this?
Jim: Oh, it’s a diskman.
Sam: Whose diskman is this?
Jim: Maybe it’s Lucy’s. My diskman is black.
Sam: Excuse me, Lucy.
Lucy: Yes?
Sam: Is this your diskman?
Lucy: No, it isn’t. Mine is red.
Sam: Whose diskman is it?
Lucy: Lily’s diskman is yellow. I think it’s Lily’s.
Sam: Lily, here is your diskman.
Lucy: Oh, thank you.
( ) 1. Sam’s diskman is black.
( ) 2. The diskman is Jim’s.
( ) 3. Lucy’s diskman is red.
( ) 4. The diskman is yellow.
( ) 5. The diskman is Lily’s.
![](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)