题目内容
SECTION 2 Vocabularly Replacement
This section consists of 15 sentences; in each sentence one word or phrase is given in the brackets. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D. Choose the word or phrase that can replace the part without causing any grammatical error or changing the basic meaning of the sentence. There is only ONE right answer.
Blasts, riots and protest demonstrations rocked newly founded Iraq, threatening to tear the country apart.
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以下涉及发票的事项，纳税人处理正确的有（)。A．甲企业向A商贸公司购进货物一批，因采购员无法确定其以下涉及发票的事项，纳税人处理正确的有()。
在嵌入式处理器中，CACHE的主要功能由(29)实现；某32位计算机的CACHE容量为16KB(B：字节)，CACHE块的大小为16B(B：字节)，若主存与CACHE地址映像采用直接映像方式，则主存地址为0x1234E8F8的单元装入CACHE的地址(30)；在下列CACHE替换算法中，平均命中率最高的是(31)。
某系统中有四种互斥资源R1、R2、R3和R4，可用资源数分别为3、5、6和8。假设在T0时刻有P1、P2、P3和P4四个进程，并且这些进程对资源的最大需求量和已分配资源数如下表所示，那么在T0时刻系统中R1、R2、R3和R4的剩余资源数分别为(21)如果从T0时刻开始进程按(22)顺序逐个凋度执行，那么系统状态是安全的。
Traditional Internet access methods like dial-up were so slow that host computers were connected to the dial-up(71)at the customer premise over slow(72)ports. PPP was designed to run directly over these serial links. But with the advent of broadband Internet(73)technologies such as ADSL and cable modems there has been a considerable increase in the bandwidth delivered to the end users. This means that the host computers at the customer premise connect to the(74)or cable "modem" over a much faster medium such as Ethernet. It also means that multiple(75)can connect to the Internet through the same connection.,
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