【简答题】One of your best friends has come down with a serious disease. Write a short letter to express your cordial regards. Your letter should be about 100 words long. Dont sign your own name. Use Zhang Wei ...
【简答题】In 2004,the World Health Organization,WHO,warned of a possible outbreak of another serious disease which may be even more deadly than SARS.The WHO believes that it is likely that bird flu will spread ...