Nowadays, whenever Shandong aid cadres are mentioned, local cadres and masses in Kashgar will be full of praise for Jaxy! In more than two years, Shandong's aid cadres have been in Khartoum.

Analysis of test questions: The background material of this question introduces the outstanding achievements of Shandong aid cadres in Xinjiang, and guides us to actively safeguard national unity and shoulder the historical mission of China. So 123 meets the requirements of the stem, and B is the correct answer. (4) It is wrong to say that self-reliance and hard work are the fundamental basis for the development of ethnic minority areas.

Comments: This question is slightly difficult. Students need to accurately grasp the information of background materials and make accurate judgments according to relevant knowledge points. This examination method is conducive to improving students' understanding and analytical ability.