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【单选题】
Which of the following statements are correct? ( ) 1) A certificate of deposit is an example of a money market instrument 2) Money market deposits are short-term loans between organisations such as banks 3) Treasury bills are bought and sold on a discount basisA.
(1) and (2) only
B.
(1) and (3) only
C.
(2) and (3) only
D.
(1), (2) and (3)
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反馈参考答案：
举一反三
【多选题】关于非线性电阻元件的表述正确的有
A.
其伏安特性可用一条经过坐标原点的曲线表示
B.
阻值 R 不是定值
C.
在不同的电压作用下，电阻值相同
D.
电阻值与通过的电流无关
【简答题】下图为酵母菌细胞结构示意图。请回答下列问题： (1)酵母菌细胞结构与菠菜叶肉细胞相比，最主要的区别是酵母菌________；与蓝藻细胞相比，最主要的区别是酵母菌__________。 (2)图中含有RNA的结构有_______(填序号)。 (3)图中不能直接分解葡萄糖但能释放CO 2 的结构是_______(填序号)。 (4)为制备酵母菌原生质体，需用酶解法除去结构①，但应在________溶液中...
【单选题】Many dog owners treat their pets like human beings, ________ if they do not have children of their own.
A.
absolutely
B.
especially
C.
eventually
D.
extremely
【单选题】This term we have exams in many subjects. [ ]
A.
month
B.
month's
C.
a month
D.
monthly
【单选题】－－Hi, Lydia． Are you going to the concert on Friday? － －I’d like to. But there are so many probl
A.
13． --Hi, Lydia． Are you going to the concert on Friday? - -I’d like to. But there are so many problems ____. A．remaining to be settled
B.
remained settling
C.
remaining to settle
D.
remained to be settled
【判断题】对于具有一个非线性元件的控制系统,奈奎斯特稳定性判据将相应地改变。描述函数法可以为任意阶次的系统提供稳定性信息,同时,它能够提供时间响应特性的准确信息。
A.
正确
B.
错误
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