题型:问答题 简答题 我们应该避免在公众场所高声喧哗,在公众场所高声喧哗会产生______污染,这里高声喧哗的“高”是指声音的______,“闻其声知其人”是指声音的______(后两空选填“音调”、“响度”或“音色”). 查看答案
题型:问答题 简答题 —What are those?—_____.A. Those are plants B. They're the plant C. They're plants D. Those are plant 查看答案