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【多选题】
发电厂的热效率包括( )A.
锅炉热效率
B.
管道热效率
C.
汽轮机绝对效率
D.
汽轮机机械效率
E.
发电机效率
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反馈参考答案：
举一反三
【单选题】One way for banks to reduce the principal-agent problems associated with trading activities is to
A.
set limits on the total amount of a traders' transactions.
B.
make sure that the person conducting the trades is also the person responsible for recording the transactions.
C.
encourage traders to take on more risk if the potential rewards are higher.
D.
reduce the regulations on the traders so that they have more flexibility in conducting trades.
【单选题】I will never forget the year I was about twelve years old. My mother told us that we would not be _21_ Christmas gifts because there was not enough money. I felt sad and thought, “What would I say whe...
A.
sending
B.
receiving
C.
making
D.
exchanging
【单选题】When her rival died, she ______a grief she did not feel.
A.
counteracted
B.
counterchecked
C.
counterfeited
D.
counterchanged
【单选题】The lending ability of commercial banks increases when the______.
A.
reserve ratio is raised
B.
Treasury collects tax receipts
C.
central banks sell securities in the open market
D.
central banks buy securities in the open market
【单选题】She did not feel very well at the moment, but she'll soon ______.
A.
draw up
B.
clear up
C.
stand up
D.
pick up
【单选题】关于期货市场组织结构,下列说法错误的是( )
A.
期货市场是一个高度组织化的市场，有着严密的组织结构和交易制度，从而可以保障期货市场的有效运转
B.
期货市场的组织结构由期货交易所、期货公司和投资者三部分组成
C.
期货交易所是专门进行标准化期货合约买卖的场所，按照其章程的规定实行自律管理，以其全部财产承担民事责任
D.
期货交易所自身不得直接或间接参与期货交易活动，只为期货交易提供设施和服务
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