3 Read the thermometers and tell the temperatures. 看温度计并说出相应的温度。

3. (1)It's ten degrees Celsius in Shanghai today.
(2)It's zero degrees Celsius in Beijing today.
(3)It's ten degrees Celsius below zero/minus ten degrees Celsius in Harbin today.
(4)It's thirty degrees Celsius in Sanya today.

4 Listen to an online chat. 听一段在线聊天。
4-1 Listen and put the weather symbols in the correct order you hear. 根据你听到的声音判断天气状况并排序。

(1) → (2) → (3) → (4)
4-2 Listen to the online chat and write down the weather condition in each city. 听在线聊天的录音,听记每个城市的天气状况。

4-1. 排序: C→B→D→A
4-2. Shanghai: rainy, warm, 18℃; Cape Town: sunny, hot, 32℃; Vancouver: rainy/windy, cool,
10℃; Stockholm: sunny, cold, -5 ℃