Welcome to Our Club | |
Are you good at swimming? ◆6 weeks ◆Saturday(9:00 -11:00) ◆Swimming Club ◆Phone number: 211 -0012 | Would you like to be an artist? ◆8 weeks ◆Friday(19:30 -21:00) ◆Art Club ◆Phone number: 211 – 0036 |
![]() Are you interested in soccer? ◆4 weeks ◆Sunday(14: 30-16:00) ◆Soccer Club ◆Phone number: 211-0016 |
1.You can practice swimming for ________ in the Swimming Club.
A.4 weeks | B.6 weeks | C.8 weeks |
A.the Swimming Club | B.the Soccer Club | C.the Art Club |
![](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)