形式意义上的民法是指( )。
A.经立法程序系统编纂的民法典B.由民法专家编写的著作C.最高司法机关关于民法的解释性文件D.法律出版社出版的《民法大百科》
参考答案:A
安全阀必须进行定期校验,每年至少1次。
Under the cost recovery method, profit is recognized:()
A. as collection occurs.
B. after the amount of cost has been collected.
C. at time of delivery.