3. Look and write. 看图，填空。

a. The is.
The is.

b. The is.
The is.

a. bus; slow; plane; fast
b. bike; slow; train; fast

a. 图1为公交车，通常较慢，填"bus; slow"；图2为飞机，题目提示"fast"，填"plane; fast"。b. 图1为自行车，较慢，填"bike; slow"；图2为火车，较快，填"train; fast"。




翻译:
3. 看一看，写一写。
a. 公共汽车很慢。
飞机很快。
b. 自行车很慢。
火车很快。

4. Look and write. 看图，完成句子。

a. It is about one hundred forty kilometres from Edmonton to Red Deer.
b. It is kilometres from Edmonton to Jasper.
c. It is kilometres from Edmonton to Banff.
d. It is kilometres from Edmonton to Lethbridge.
e. It is kilometres from Red Deer to Calgary.
f. It is kilometres from Edmonton to Calgary.

b. 360
c. 400
d. 500
e. 140
f. 280

b. From the map, the distance from Edmonton to Jasper is 360 km.
c. From the map, the distance from Edmonton to Banff is 400 km.
d. From the map, the distance from Edmonton to Lethbridge is 500 km.
e. From the map, the distance from Red Deer to Calgary is 140 km.
f. From the map, the distance from Edmonton to Calgary via Red Deer is $140+140 = 280$ km.




翻译:
4. 看图并完成句子。
a. 从埃德蒙顿到雷德迪尔大约有140公里。
b. 从埃德蒙顿到贾斯珀有360公里。
c. 从埃德蒙顿到班夫有400公里。
d. 从埃德蒙顿到莱斯布里奇有500公里。
e. 从雷德迪尔到卡尔加里有140公里。
f. 从埃德蒙顿到卡尔加里有280公里。