【单选题】______ is your joining in feeling bad with the other person,so if there is two people feeling the bad emotions, they just build on each other and make it worse.
【简答题】Since the reform. and (11) policy in 1978, great changes have (12) in China. In the past, people's life was almost the same and quite (13) . People worked 6 days a week and stayed at home or went to t...