读报
登录注册网站首页
 

QUIZ TIME

Day 4

作者:TEENS
Aa
  • -   
  •    +

Crocodiles come to help (P6)

Choose the answer:

1. What did the researchers from La Trobe University find?

A. Crocodiles are not easily infected.

B. Crocodiles have a special defensin.

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭