2. 职称英语
  3. According to the passage, scientists have discovered that influenza viruses ____

According to the passage, scientists have discovered that influenza viruses ____

游客2023-09-28  56
问题 According to the passage, scientists have discovered that influenza viruses ______. [br] What is known about the influenza virus?
选项 A、It was first found in a group of very old birds.
B、All the different strains can be found in wild birds.
C、It existed over 100 million years ago.
D、It can survive in many different places.
答案 D
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3053638.html
相关试题推荐
随机试题
最新回复(0)