题目

 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 . A.influences      B. injections           C.affections        D. infections 答案：D六大板块中几乎完全属于大洋板块的是（ ）A．南极洲板块B．美洲板块C．印度洋板块D．太平洋板块