例:
![](http://static.xuejinqu.com/qimg/b47/b476c703483eba3659460eb879bf4cf6.png)
Open the windows and air the room.
In the countryside, there is a lot fresh (air空气)
1.
![](http://static.xuejinqu.com/qimg/218/2181de492e8e337d2c6a13d7252714e8.png)
Please wait. I’ll warm the soup.
The weather is very ______________ today.
2.
![](http://static.xuejinqu.com/qimg/681/6815a265f4e3eb6bd65d235dd6200da5.png)
Don’t park your car here.
I play in the _________ every day.
3.
![](http://static.xuejinqu.com/qimg/b86/b86fd2a224cf15c093b74392aa1754db.png)
The men are farming in the fields.
My uncle works on a ___________.
![](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)