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下面哪个Set是排序的?()
A.HashSet
B.TreeSet
C.LinkedHashSet
D.AbstractSet
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A.HashSet
B.TreeSet
C.LinkedHashSet
D.AbstractSet
A.SSL协议有利于客户而不利于商家
B.SSL协议保证了数据的保密性
C.SET协议保证电子商务参与者信息的相互隔离
D.发卡银行是SET协议中的其中一个角色
A.对CPU,内存,外设以及各类程序和数据进行管理
B.实现主机和外设的并行处理以及异常情况的处理
C.控制用户的作业排序和运行
D.处理输入/输出事务
A.控制用户的作业排序和运行
B.保护系统程序和作业,禁止不合要求的对程序和数据的访问
C.实现主机和外设的并行处理以及异常情况的处理
D.对CPU,内存,外设以及各类程序和数据进行管理
A.对CPU,内存,外设以及各类程序和数据进行管理
B.实现主机和外设的并行处理以及异常情况的处理
C.以合理的方式处理错误事件,而不至于影响其他程序的正常运行
D.控制用户的作业排序和运行
A.ferocious
B.serious
C.brutal
D.perishable
A.that
B.in which
C.by which
D.when
Which of the following can best give the main idea of the second paragraph?
A.Cambridge has a long history.
B.Many students lacked money, so colleges were set up then.
C.The town was built before the university.
D.It was cheaper for students to live in college than in lodgings.
听力原文:W: Do the banks set the same credit lines to all the customers?
M: No. Banks normally set different credit lines to different groups of cardholders. That depends on the personal income, the occupation, and to a large extent, on the creditworthiness of the customer.
Q: What will be the credit line if a customer is a professor and has a good reputation?
(20)
A.The credit line will be lower than usual.
B.The credit line will be higher than usual.
C.The credit line will be as usual.
D.The credit line will be indefinite.
Which of the following is NOT true according to the passage?
A.A worldwide earthquake warning network has been set up to avoid major earthquakes.
B.Unusual behavior. of animals may be an indication of possible earthquakes.
C.It seeins possible now for scientists to predict when and where earthquakes will occur.
D.Most earthquakes take place on some specific areas of the earth.
A.there is no rational explanation why people should set a high value on objects such as diamonds, which have little real usefulness.
B.the price obtained from selling any commodity may bear little relationship to the cost of producing it.
C.no one consumer has any control over the price (or value) of a commodity, but consumers collectively do have such control.
D.there is no consistent relationship between the total utility obtained from any commodity and the price charged for it.