(1)A.
![](http://static.xuejinqu.com/qimg/3e8/3e8ec10b1f94a717baff7f469aaa6582.png)
![](http://static.xuejinqu.com/qimg/a43/a43da9b972b6d479a4ce82ea58936761.png)
![](http://static.xuejinqu.com/qimg/56e/56ea256181570c7b4705db7d4df99cb2.png)
(2)A.
![](http://static.xuejinqu.com/qimg/beb/bebd898b5c4ca494b607bd6d0f60e242.png)
![](http://static.xuejinqu.com/qimg/75f/75f28e7b22bcac3be4e674f2ed2b0a70.png)
![](http://static.xuejinqu.com/qimg/22e/22e55a8d701debb7a7463d36b9c4ff3e.png)
(3)A.RIYL B.IRLV C.LYVI
(4)A.box B.book C.ball
(5)A.teacher B.student C.friend
(6)A.30 B.40 C.50
(7)A.boy B.girl C.man
(8)A.home B.room C.school
(9)A.door B.bed C.bag
(10)A.beef B.fish C.bread
![](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)