The main idea of the first paragraph is. The passage is mainly about.

admin2009-04-23 41

问题 The main idea of the first paragraph is______.
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://kaotiyun.com/show/VOR7777K

大学英语四级

相关试题推荐

随机试题

最新回复(0)