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The main idea of the first paragraph is______. [br] The passage is mainly about_
The main idea of the first paragraph is______. [br] The passage is mainly about_
游客
2023-08-03
15
管理
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://tihaiku.com/zcyy/2893235.html
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