【单选题】苯的结构简式可用 来表示,下列关于苯的叙述中正确的是
A.
苯主要是以石油为原料而获得的一种重要化工原料
【判断题】保护自然,是人与自然相处时应承担的重要责任。( )
【单选题】山东济南趵突泉由________饮用后,命名为“天下第一泉”。
【单选题】If expenses are greater than revenues, the Income Summary account will be closed by a debit to:
A.
Income Summary and a credit to Cash.
B.
Income Summary and a credit to Retained Earnings.
C.
Cash and a credit to Income Summary.
D.
Retained Earnings and a credit to Income Summary.