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【多选题】
期货交易的特点包括A.
保证金制度
B.
对冲平仓结束交易
C.
交易对象是期货合约
D.
期货交易均在场内进行并每日结算
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反馈参考答案：
举一反三
【简答题】编程:显示如下菜单 用户输入选项后,输出用户的选择结果。
【简答题】编写程序完成以下内容: 有如下菜单: ******** 1-加法 2-减法 ******** 请选择(1—2): 由用户输入选项,如果输入选项不符合要求,则给出提示并显示菜单,要求重新输入,直到用户输入选项符合要求。
【简答题】合力偶矩等于力偶系中各分力偶矩的________。
【单选题】Which one of these statements is true?
A.
Amygdala is responsible for focuing on positive information.
B.
The orbitofrontal cortex is responsible for behaving relatively properly.
C.
Temporoparietal juction in the left hemisphere is associated with making inferences about other people's mental states.
D.
When it comes to reasoning about other people, funtion of MPFC (medial prefrontal cortex) is limited to determine other's mental states.
【单选题】Which one of these statements is correct?
A.
Investors earn a return called a spread
B.
Dealers pay a fee, called the spread, to brokers
C.
Investors sell at the ask price
D.
Dealers buy at the bid price
E.
Brokers maintain an inventory of securities
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