1 . It was a time when people were divided geographically, leading to a v_________ of dialects and characters. (根据首字母单词拼写)

2 . Police have issued（发布）f___________ warnings. （根据首字母单词拼写）

3 . Yesterday’s meeting was intended to make a s___________ (生存) strategy for the party. （根据中英文提示填空）

4 . I joined the v__________ club without a second thought, because I want to help others. （根据首字母单词拼写）

5 . The textbooks and dictionaries can be used as _____ (参考) books while the magazines serve as reading materials. （根据汉语意思填空）