PASSAGE FOUR [br] What can we learn from the passage about the prevention of all

游客2023-11-30 103

问题 PASSAGE FOUR [br] What can we learn from the passage about the prevention of all colds?

选项

答案 It is very difficult．

解析根据prevention of all colds定位到最后一段。该段提到已有科学家研制出预防某种细菌引起的感冒的疫苗，但文章最后指出感冒病毒非常多，要预防所有感冒意味着要研发针对所有感冒病毒的疫苗，暗示出预防所有感冒很困难。故答案可填It is very difficult。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3233289.html

相关试题推荐

随机试题

最新回复(0)

PASSAGEFOUR[br]Accordingtothepassage,whatcouldbebroughtaboutbyself-