A.
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/6d4b6d5238f44323a73b7defe7758bb0.png?resizew=93)
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/36cac35059aa4c12bafe9ee8c684eec6.png?resizew=132)
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/ffe90927eb1344fa8b8c853402e416dc.png?resizew=146)
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/61dec6e158e54ebfac39371a84686931.png?resizew=100)
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/c2509e16584949b0afc38d42126a70a1.png?resizew=124)
![](https://img./dksih/QBM/2020/9/16/2551248102211584/2553292075827200/STEM/90c5351a00bb4654a0c4a882633e69fc.png?resizew=106)
1.—What’s that in English?
—It’s a potato.
2.—What’s this in English?
—It’s a cucumber.
3.—What’s that in English?
—It’s a pineapple.
4.—What’s this in English?
—It’s a watermelon.
5.—What’s this in English?
—It’s a lemon.
6.—What’s this in English?
—It’s a tomato.
![](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)