北京故宫三大殿中，太和殿又称为“金銮殿”，系举行重大国典之处；乾清宫则是清后期皇帝举行殿试的场所。
参考答案：错
在Java中，所有类的根类是______。
_______ Anirban Maitra, a professor at Oxford University, Jack’s success would not have been possible.
A．If it wasn’t for
B．Were it not for
C．Had it not been for
D．If it hasn’t been for
