Culture is a system of inherited conceptions expressed in language, by means of which people communicate, perpetuate and develop their knowledge and attitude towards life.
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【简答题】二、Part B :用方框内所给的A.B.C.D.E五个句子完成以下对话. Dialogue 1 Nurse: Good morning. Dr. Li’s office. Bruce: (1) __________. I’d like to make an appointment. Nurse: (2) __________ Bruce: I have a sore throat. Nurse:...
【简答题】已知数列{a n }的通项公式为a n = n+1 2 ,n=2k-1(k∈ N * ) 2 n 2 ,n=2k(k∈ N * ) ,设b n = a 2n-1 a 2n ,S n =b 1 +b 2 +…+b n . (1)求S n ; (2)证明:当n≥6时,|S n -2|< 1 n .