人类最早的装饰行为与（）、（）、（）、（）等都有一定的联系。
参考答案：宗教信仰；象征标识；异性吸引；装饰审美
根据首字母提示填词：
1．It's bad manners to speak loudly in p_________.
2．To my great d________, my father failed to buy me a new computer on my birthday.
3．The dentist won't see you unless you have an a_______ with him ahead of time.
4．Her teaching experience gave her a big a________ over the other applicants for the job.
5．Scientists have d________ a new virus. It is very important to medical research.
选择培养基
