【简答题】Dr Mrgaret Chan, the WHO’s chief of (1) influenza, calls the avian flu a (2) signal from nature. In her view, humans are seeing a pandemic (3) in front of their eyes for the first time in history. She...
【简答题】听下面一段材料,回答第1至4题。 1. What is the passage mainly about? [ ] A. SARS B. Avian flu C. H1N1 flu 2. How many cases of this virus in the Chinese mainland has reported? [ ] A. 3,577 B. 4,415 C. 10,000...