(1)A. I’m 164cm tall. B. I’ m 48kg. . C. I wear size 17..
(2)A. I’m happy. B. I have a headache. C. You look so sad.
(3)A. What did you do? B. I went to the bookstore. C. I went fishing.
(4)A. I went to Huizhou. B. I did my homework. C. I go shopping.
(5)A. It’s very hot. B. It’s snowy all the time. C. It’s windy and cool.
(6)A .They’re red. B. It’s red. C. It’s my skirt.
(7)A. It’s ten years old. B. It’s ten. C. It’s ten yuan.
![](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)