LocalauthoritiesinSouthChina'sGuangdongProvincehaverep...

问题详情：

 Local authorities in South China's Guangdong Province have reported two more H7N9 bird flu _________ in humans in the city of Shenzhen. In the meantime, a patient in Xiamen, Fujian Province, has died of the H7N9 virus .

uences      B. injections           ctions        D. infections

【回答】

D

知识点：名词

题型：选择题