【单选题】At the beginning of the study, smokers and nonsmokers were just as likely to be one of these central figures, but as smoking became increasingly unpopular, smokers moved to the periphery of these web...
【简答题】More and more Chinese people care for their own health. I come from England. I came to China five years ago. I began to learn cooking Chinese food from my father. When I was fif, I began to help m...