《诗经》记录了西周初年至（）大约五百多年间丰富复杂的社会生活。
参考答案：春秋中叶
—Don't forget _______ my parents when you are in Beijing.
—OK! I won't. [ ]
A. to see
B. sees
C. seeing
D. saw
简述办公场所的基本礼仪有哪些？
