![](http://static.xuejinqu.com/qimg/b26/b2694f7622ae2970898ba5e4b7800ae0.png)
A. That’s OK.
B. Great. Let’s go and see.
C. You’re welcome.
![](http://static.xuejinqu.com/qimg/b26/b2694f7622ae2970898ba5e4b7800ae0.png)
A. Look at the picture on the wall.
B. Look at the blackboard on the wall.
C. Look to the picture on the wall.
![](http://static.xuejinqu.com/qimg/b26/b2694f7622ae2970898ba5e4b7800ae0.png)
A. Where’s your seat?
B. What’s your seat?
C. Where’s your desk?
![](http://static.xuejinqu.com/qimg/4af/4af9504e0b67f21378e47fdf913fc356.png)
A. Let’s clean the bedroom.
B. Let’s clean the classroom.
C. Let’s go to school.
![](http://static.xuejinqu.com/qimg/4af/4af9504e0b67f21378e47fdf913fc356.png)
A. Good afternoon, Mr White.
B. Good morning, Miss White.
C. Good afternoon, Miss White.
![](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)