2. 外语
  3. According to the passage, scientists have discovered that influenza viruses ______ . According to the passage a great variety o

According to the passage, scientists have discovered that influenza viruses ______ . According to the passage a great variety o

admin2013-09-04  60
问题 According to the passage, scientists have discovered that influenza viruses ______ .
According to the passage a great variety of influenza can appear when  ______ .
选项 A、H and N spikes are produced
B、animal and bird viruses are combined
C、dissimilar types of viruses recombine
D、two viruses of the same type are contracted
答案C
解析
转载请注明原文地址:https://kaotiyun.com/show/ZteK777K
本试题收录于： 大学英语三级A级题库大学英语三级分类
0

大学英语三级A级

大学英语三级

相关试题推荐
随机试题
最新回复(0)