(______)1. I go to school by sled. It's fast.
A.
![](http://static.xuejinqu.com/qimg/f42/f4211b34bedc555f1847a68fe59f2502.png)
B.
![](http://static.xuejinqu.com/qimg/335/3358a4bc4d8c6f52064ab823db44059f.png)
(______)2. Some children in Jiangxi, China, go to school by ferry every day.
A.
![](http://static.xuejinqu.com/qimg/ae0/ae049f983db89d790e0e5b45a17794d5.png)
B.
![](http://static.xuejinqu.com/qimg/69b/69b10a2cea0c8b850a309eaef8685608.png)
(______)3. Sarah and Mike come to school on foot.
A.
![](http://static.xuejinqu.com/qimg/b98/b98c0cb95fcdc83bf3b1e373033e5c9d.png)
B.
![](http://static.xuejinqu.com/qimg/a5c/a5cfc99df2127936ae78f0643afe1998.png)
(______)4. My father sometimes goes to work by taxi.
A.
![](http://static.xuejinqu.com/qimg/7e9/7e95006cf210b6f87aa5fc4a2e8115ae.png)
B.
![](http://static.xuejinqu.com/qimg/336/336457e70eaafeb92af3b9e52cb44131.png)
(______)5. The boy goes to the zoo by subway.
A.
![](http://static.xuejinqu.com/qimg/68a/68a1335f269ab533fffda3648f73d9fc.png)
B.
![](http://static.xuejinqu.com/qimg/0cb/0cbfe482698dbb41a02bf8d834c52038.png)
![](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)