判断题

According to the video, some people have their doubts about new things because science and technology bring some problems.

答案：正确

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单项选择题

A、0
B、4
C、9
D、0,4,9

诗句“快乐异乡忘故国，方知后主是庸才”指的是谁的故事？

答案： A.李煜
B.刘禅
正确答案：B
三国后主刘禅为晋所俘,封为安乐公,整日寻欢作乐,乐不思蜀,后人...