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问题 多项选择题

根据不同级别的QoS要求，UE－UTRAN接口的RLC可以提供（）的数据传输服务。

A.透明模式

B.非透明模式

C.非确认模式

D.确认模式

答案

参考答案：A, C, D

单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

A hotdog vendor sold $45 worth of hotdogs at lunchtime Tuesday. Each hotdog cost $1.50. What percentage of his day’s stock of hotdogs did the vendor sell at lunchtime ？（）
(1) The vendor started the day with 120 hotdogs.
(2) The vendor sold twice as many hotdogs at dinnertime as he sold at lunchtime.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.
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单项选择题

在对矿产资源资产进行评估时，利用地勘投入的重置成本加上以地勘投入所分配的超额利润来确定探矿权价值，是重置成本法和贴现现金流量法相结合的一种评估方法是 ( )。

A．地质要素评序法

B．地勘加和法

C．联合风险勘查协议法

D．可比销售法
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