中共一大产生了临时中央领导机构--中央局,第一任书记是( )
A. 李大钊
B. 毛泽东
C. 陈独秀
D. 周恩来
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中国共产党一经诞生,就把( )确立为自己的初心使命
A. 为中华民族谋复兴
B. 为民族独立
C. 为中国人民谋幸福
D. 为生产发展
近代中国社会的主要矛盾是()
A. 帝国主义和中华民族的矛盾
B. 封建主义和人民大众的矛盾
C. 资产阶级和工人阶级之间的矛盾
D. 帝国主义和工人阶级之间的矛盾
Listen to the following conversation twice and fill in the blanks with the missing words. Getting to know the words and expressions in the box below first might be helpful.Paul: We’re having great weather, 【填空1】 ?Amy:We sure are. By the way, I’m Wang Ying. You may call me Amy.Paul: Hello, Amy. 【填空2】Paul Lee.Amy:Which department【填空3】, Paul?Paul: I’m in the Department of Computer Science. I’m from Beijing.Amy: Really?【填空4】meet you! I’m also from Beijing. My major is Hotel Management.Paul:That’s terrific. My classmate June is over there. She’s from Shanghai. Come on,【填空5】 meet her.
偏心受压构件考虑P-δ效应后,内力值会发生变化,即( )
A. M增大,N不变;
B. M不变,N增大;
C. M增大,N减小;
D. M不变,N减小