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【单选题】
下列关于超抗原的叙述,正确的是A.
需经抗原提呈细胞加工处理
B.
可以多激活T细胞克隆
C.
与自身疫病无关
D.
有严格的MHC限制性
E.
只能活化一个相应的T细胞克隆
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举一反三
【单选题】A/an ________ is a contract to lock in today interest rates over a given period of time.
A.
forward rate agreement
B.
interest rate future
C.
interest rate swap
D.
none of the above
【简答题】在光度分析中合适的吸光度读数范围为_____________。
【单选题】A specification of a maximum amount of a foreign produced good that will be allowed to enter the country over a given time period is referred to as( ):
A.
A domestic subsidy
B.
An export subsidy
C.
An import quota
D.
An export quota
【判断题】A discount is volume-basedif the discount is based on the total quantity purchased over a given period, regardless of the number of lots purchased over that period.
A.
正确
B.
错误
【判断题】Pulsing, as an ad pattern, means scheduling ads evenly over a given time period.
A.
正确
B.
错误
【判断题】The balance sheet shows the assets, liabilities, and stockholders' equity of a firm over a given length of time.
A.
正确
B.
错误
【简答题】在光度分析中合适的吸光度读数范围为_____________。
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