Listening
Listening 8: photograph scanning, a night visit, bridge models and urban heat
听力材料 8:照片扫描、夜间参观、桥梁模型和城市热岛效应
30:00
The recording plays once. Read the questions first and predict what kind of word each gap needs. Spelling and plurals are marked strictly, and an answer over the word limit is wrong even when the idea is right.