第11题: [单项选择]对于春秋时期的某国,如果仓廪实或衣食足,则民知礼节或知荣辱。如果民知礼节或知荣辱,则或者国富,或者民强。如果民强,则百业兴。
事实上该国并非国富,而且并非百业兴。由此可推出()。
A. 该国仓廪实但并非衣食足 B. 该国并非仓廪实但衣食足 C. 该国仓廪实且衣食足 D. 该国并非仓廪实且并非衣食足 参考答案:D 答案解析:由“如果民强,则百业兴”和“并非百业兴”可推出:并非民强(充分条件否定后件则否定前件)。
由“如果民知礼节或知荣辱,则或者国富,或者民强”、“并非国富”、“并非民强”可推出:民既不知礼节,也
第17题: [单项选择]A. Many university students prefer soft drinks to fresh fruits. B. Most of them are first-or-second year college students. C. A number of college students refuse to disclose their identities. D. Not many students are interested in our research projects. 参考答案:B 答案解析:[听力原文] Of all the students participating in our university’s research project, 73% classified