Analysis of test questions: The May 4th patriotic movement was an anti-imperialist and anti-feudal patriotic movement. The slogan that best embodies the nature of the May 4th patriotic movement is "Fighting for sovereignty from outside and getting rid of the national thief from inside". Fighting for sovereignty from outside is anti-imperialist and getting rid of the national thief from inside is anti-feudal, so choose A.

Comments: This question is less difficult. It examines students' memory ability of historical knowledge. As for the May 4th patriotic movement, students should also know that the fuse of the movement was the failure of China's diplomacy at the Paris Peace Conference. In the early stage of sports, the focus is on Beijing, and the main force is students; Later, the focus shifted to Shanghai, and the main force was workers; As a result, under the struggle between students and workers, the movement achieved initial victory. Beiyang government released students and expelled three traitors. The representative of China refused to sign the Paris Peace Treaty. Historical Significance of the Movement: The May 4th Movement was an epoch-making event in China's modern history, marking the beginning of China's new-democratic revolution.