![](http://static.xuejinqu.com/qimg/223/223ce45ccc34143661f8b693d67cd746.png)
![](http://static.xuejinqu.com/qimg/b4e/b4e89dae840fa0a9469bdf1625b3653a.png)
![](http://static.xuejinqu.com/qimg/368/368a54cffd4a717e6c41b43d449f20ec.png)
1.Whose family photo is this?(这是谁的家庭照片?) ( )
A.Lingling’s. | B.Sam’s. | C.Daming’s. |
![](http://static.xuejinqu.com/qimg/e2b/e2b1c7ab2e748ac9375893c64d747155.png)
A.She is Sam’s mother. | B.She is Sam’s teacher. | C.She is Lingling’s mother. |
![](http://static.xuejinqu.com/qimg/edd/eddd8e3d5b93d2cb31e560a4fcefbd47.png)
A.They are Lingling’s grandma and grandpa. | B.They are old. | C.They are Sam’s grandma and grandpa. |
![](http://static.xuejinqu.com/qimg/085/08587bdcdf97cdfed5e327b113e7f0f1.png)
A.Yes, it is Sam. | B.No, it is Tom. | C.Yes, it is Lingling’s brother. |
A.Four. | B.Five. | C.Six. |
![](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)