由于美元是黄金的主要标价货币，因此当美元汇率下降时，只有黄金价格上升才能使黄金市场达到均衡。()
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Corn-based ethanol might not be chosen as an alternative because
A. carbon reduction in both fuel production and burning might be hard.
B. California also intends to cut down emissions from new vehicles.
C. it is almost impossible for vehicle fuel to produce 10% less carbon.
D. California's corns are chiefly transported by cars and trucks.
商业票据和银行承兑汇票都是无担保的信用凭证。()
A. 正确
B. 错误
AskForCents.com is operated on the basis of
A. computers that can tell people information about baseball schedules.
B. a software that allows humans to provide answers through computers.
C. the flexibility of an algorithm-driven system developed by Mr. Heitler.
D. a software that allows people to solve problems through the network.
一般来说理财业务中服务的比重比私人银行业务中服务的比重小。()
A. 正确
B. 错误
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