()(1) It is a windy day.
![](http://static.xuejinqu.com/qimg/d98/d98752fb1604597cf8201ebf24bd92c2.png)
()(2)This is a letter.
![](http://static.xuejinqu.com/qimg/026/026c35f4b41ebbfd4aa94d5567c06bad.png)
()(3) There are some flowers.
![](http://static.xuejinqu.com/qimg/b69/b6995b3d11884e9f3fe25b1b73ce78b4.png)
()(4) I am doing my homework.
![](http://static.xuejinqu.com/qimg/27a/27ab28c5f52a99275740eee297504711.png)
()(5) This is my camera.
![](http://static.xuejinqu.com/qimg/c4c/c4c6d6402b4465faf6ec2350ce23fd49.png)
![](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)