What did Ethbell do when she was 68?
A. She sat back and relaxed.
B. She decided to retire.
C. She entered university.
D. She joined in an English program.
查看答案
《俄狄浦斯王》从宗教的意义上看实际上是一个禳灾的仪式。()
中国文明是一元性的文明,它指的就是汉民族的文明。()
参考答案:错误
在曲柄滑块机构中,只要原动件是滑块,就必然有死点存在。 ()