Section I Structure and Vocabulary Part A Directions: Beneath each of the following sentences, there are four choices marked [A], [C]and [D]. Choose the one that best completes the sentence. Mark your answer on ANSWER SHEET 1 by blackening the corresponding letter in the brackets with a pencil. (5 points) Example

80C51系列单片机有很强的外部扩展能力。 外部扩展可分为并行扩展和串行扩展两大形式。 早期的单片机应用系统以采用并行扩展为多, 近期的单片机应用系统以采用串行扩展为多。 外部扩展的器件可以有ROM、RAM、I/0口和 其他一些功能器件,扩展器件大多是一些常规芯 片,有典型的扩展应用电路,可根据规范化电路 来构成能满足要求的应用系统

Section I Use of English Directions: Read the following text. Choose the best word(s)for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.(10 points) The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory

Section I Use of English Directions: Read the following text. Choose the best word(s)for each numbered blank and mark [a],, [C] or [D] on ANSwER SHEET 1.(10 points) The homeless make up a growing percentage of America's population homelessness has reached such

Section I Listening Comprehension Directions: This section is designed to test your ability to understand spoken English you will hear a selection of recorded materials and you must answer the questions that accompany them. There are three parts in this section. Part A Part B and Part C

本答案只可用做熟悉如何答题,可以根据答案进行修改,切记不可原文背诵 口语Part1范文: INTRODUCTION 1. Hello. Could you show me your identification card please? Hello. Sure, here you are 2. Could you tell me your full name please? My full name is XXX. I am also called by my English name, which is XXX

第3章总线、中断与1/0系统 3.1输入输出系统概述 3.2总线设计 3.3中断系统 3.4通道处理机 3.5外围处理机

void tsmatr ix Add( TSMatrix A, TSMatr ix B, TSMatr ix&C)//三元组 表示的稀疏矩阵加法 C. mu=A. mu: C nu=A. nu C tu=0 pa=1;pb=1;pc=1; for(x=1;x<=A.mu;x+)//对矩阵的每一行进行加法 while(A data lpal. i