The second paragraph focuses on ______.
A. World Health Organization
B. flus in Hong Kong and Spain
C. the economy of Southeast Asia
D. possible effects of a bird flu outbreak
正确答案:D
The second paragraph focuses on ______.
A. World Health Organization
B. flus in Hong Kong and Spain
C. the economy of Southeast Asia
D. possible effects of a bird flu outbreak
正确答案:D