Although no H7N9 avian flu infections have reported in poultry or humans yet, the likelihood of outbreaks in Viet Nam is high.

Câu hỏi :

Although no H7N9 avian flu infections have reported in poultry or humans yet, the likelihood of outbreaks in Viet Nam is high.

A is high      

B have reported      

C Although   

D flu infections

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247