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【单选题】
以下哪一项不是电路交换的特征
A.
数据无需携带地址信息
B.
两两终端之间可以同时通信
C.
点对点信道独占经过的物理链路带宽
D.
按需建立点对点信道
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举一反三
【单选题】In the generalized dividend model, a future sales price far in the future does not affect the current stock price because
A.
the present value cannot be computed
B.
the present value is almost zero
C.
the sales price does not affect the current price
D.
the stock may never be sold
E.
the company may suffer bankruptcy
【单选题】The stock price of a company is its value.
A.
True
B.
False
【单选题】“安史之乱”发生在下列哪个时期?()
A.
贞观年间
B.
开元年间
C.
神功年间
D.
天宝年间
【简答题】The __________________ is equal to the current stock price minus the option exercise price.A. settlement price B. discount price C. intrinsic value D. mark-to-market settlement
【判断题】出纳人员不得兼任稽核、会计档案保管和收入、支出、费用、债权债务账目的登记工作,但在出纳业务不多的单位,可以兼记固定资产明细账。
A.
正确
B.
错误
【单选题】Given the following table definition: STOCK: item VARCHAR(30) status CHAR(1) quantity INT price DEC(7,2) If items are indicated to be out of stock by setting STATUS to NULL and QUANTITY and PRICE to z...
A.
UPDATE stock SET (status = NULL; quantity, price = 0) WHERE item LIKE S%
B.
UPDATE stock SET (status, quantity, price) = (NULL, 0, 0) WHERE item LIKE S%
C.
UPDATE stock SET status = NULL, SET quantity = 0, SET price = 0 WHERE item LIKE 'S%'
D.
UPDATE stock SET (status = NULL), (quantity = 0), (price = 0) WHERE item LIKE S%
【判断题】出纳人员不得兼任稽核、会计档案保管和收入、支出、费用、债权债务账目的登记工作;不得由一人办理全过程的货币资金业务。()
A.
正确
B.
错误
【判断题】感应电动机的定子结构由铁芯和交流绕组构成。
A.
正确
B.
错误
【单选题】A 'random walk' occurs when______.
A.
stock price changes are random but predictable
B.
stock prices respond slowly to both new and old information
C.
future price changes are uncorrelated with past price changes
D.
past information is useful in predicting future prices
【单选题】The difference between the issue price of the stock and the par value of the stock is:
A.
market value.
B.
par value.
C.
additional paid-in capital.
D.
preferred stock.
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