City walk, a unique way to experience urban culture and lifestyle, is     1     many youngsters in China enjoy doing when they visit a new city. Traditionally, city walks were led by professional guides, following planned routes through city neighborhoods     2     (gain) insights into local history, culture, and architecture. However, recent versions of city walks in China have taken on a more casual approach. They involve wandering     3     (aimless) around the city, visiting scenic spots, and capturing (捕捉) moments. In fact, it’s simply “walking in the city.”

    1     (locate) in the northeast of the Tibetan Highland, Qinghai Lake is usually No. 1 on “Most Beautiful Lakes in China” list. It has very different scenery in different seasons. In spring, the surrounding mountains and wetlands take on a fresh green look with     2    (colour) flowers and white snow. In summer and autumn, the lake     3     (decorate) with golden clothing, as thousands of hectares (公顷) of rape flowers spread out from Qinghai Lake’s shores. In winter, snow and ice cover the surface of the lake, and the lake becomes quiet.