题目内容

Sorry to have caused you__()

A. such inconvenience
B. such convenience
C. such joy
D. such love

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Suppose you want to invest in the U.S. Treasury bills (T-bills). The minimum denomination is $100,000 and you have only $1,000. Therefore, you choose to invest your $1,000 in U.S. T-bill mutual funds

A. polling resources and subdividing shares
B. providing information
C. clearing and settling payments
D. dealing with incentive problem

In order to protect against a drop in price of the stocks you hold, you decide to lock in stock prices by signing a contract with financial intermediaries. What is the type of financial decision you m

A. Consumption and saving decision
B. Investment decision
C. Financing decision
D. Risk-management decision

原核生物DNA复制错误率低的原因中,解释错误的是()

A. DNA Pol I具有3’→5’外切酶活性
B. DNA Pol I及III均具有校对功能
C. DNA Pol III具有5’→3’外切酶活性
DNA Pol III具有3’→5’外切酶活性

下列同时具有校对、修复及缺口填补功能的酶是()

A. DNA pol V
B. DNA ligase
C. DNA pol δ
DNA pol I

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