写作：介绍中外文化差异 — 英语词汇题
题目
根据句意和中文提示，用本单元所学单词的正确形式补全句子，每空一词：1. There are many cultural d________（差异）between China and Western countries. 2. People often use c________（筷子）to eat in China. 3. It is polite to s________（摇晃）hands when you meet someone for the first time in some countries.