The main idea of the first paragraph is______. [br] The passage is mainly about_

游客2024-03-06 39

问题 The main idea of the first paragraph is______. [br] The passage is mainly about______.

选项 A、nuclear weapons
B、biological weapons
C、chemical weapons
D、bio-chemical weapons

答案 B

解析主旨题。文章主要论述了二十一世纪生物武器发展方面有可能出现的情况。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3509495.html

相关试题推荐

随机试题

最新回复(0)

[originaltext]Jeansarepants,ortrousers,madefromdenim.Mainlydesigne