返回给定日期1～7的值。表示给定日期是一周中的哪一天的函数为______。
参考答案：Weekday(date)
________ children whose parents had died in the earthquake ________ sent to other families[ ]
A．A great number of; was
B．A large number of; were
C．The great number of; was
D．The great number of; were
保险产生、存在和发展的前提条件与客观依据是()。
A.风险因素
B.保险费率
C.消费者的货币收入
D.经济制度
