【判断题】电子商务的交易主体包括消费者、企业、政府和电子交易市场。不应该包含电子交易市场
【单选题】You have $5,000 you want to invest for the next 45 years. You are offered an investment plan that will pay you 6 percent per year for the next 15 years and 10 percent per year for the last 30 years. H...
A.
$201,516.38 ; $201,516.38
B.
$209,092.54; $201,516.38
C.
$209,092.54; $119,959.94
D.
$209,092.54; $209,092.52
【多选题】在电子商务中,安全电子交易的主要标准包含()
【单选题】下列有关大理石的叙述,判断叙述不完全正确的是( )。
A.
大理石板材是一种碱性石材,容易被酸侵蚀而影响使用,因此除极少数石材以外,大理石磨光板材一般不宜用于室外饰面
C.
大理石的化学成分是CaCo3和MgCo3,为碱性石材
【单选题】You deposit $2,000 in a savings account, and a year later you have $2,100. Meanwhile, the consumer price index rises from 200 to 204. In this case, the nominal interest rate is _________ percent, and ...