大学英语第四版答案

大学英语第四版答案Tag内容描述：<p>1、Unit 1III.1. idle 2. justify 3. discount 4. distinct 5. minute6.accused 7. object 8. contaminate 9. sustain 10. worshipIV.1. accusing. of 2. end up 3. came upon 4. at her worst 5. pa:6.。</p><p>2、Unit 1III.1. idle 2. justify 3. discount 4. distinct 5. minute6.accused 7. object 8. contaminate 9. sustain 10. worshipIV.1. accusing. of 2. end up 3. came upon 4. at her worst 5. pa:6.。</p><p>3、英语翻译答案 第一个单位 1他们签署了通过仲裁解决所有边界争端的条约。 theysignedatreatytosettleallborderdisputebyarbitration。 2这些外国人提出了合资企业的建议。 theseforeigners haeprut forward aproposalforajpointure。 3崇拜祖先的习俗在这些人当中很常见 the custom of wo。</p><p>4、大学英语阅读进阶大学英语阅读进阶 第四版第四版 PART 1 Unit 1 Vocabulary in Context Practice 1 Examples 1 examples brushing their teeth washing their hands and facec B 2 examples the phones were constantly ringing people we。</p><p>5、大学英语阅读进阶 第四版 PART 1 Unit 1 Vocabulary in Context Practice 1 Examples 1 examples brushing their teeth washing their hands and facec B 2 examples the phones were constantly ringing people were running。</p><p>6、第十二章非正弦周期电流电路和信号的频谱121 求图示波形的傅里叶级数的系数。解：f(t) 在第一个周期()内的表达式为题12-1图显然,f(t)为奇函数 f(t)展开为傅里叶级数为由于f(t)为奇函数 , 所以 , 有。而 b= (k=1,2,3.。</p><p>7、专业课习题解析课程西安电子科技大学844信号与系统专业课习题解析课程第2讲第一章信号与系统（二）11画出下列各信号的波形【式中】为斜升函数。TTR（2）（3）TETFT,SINF（4）（5）SINTRT（7）（10）2KTF1KKF解各信号波形为（2）TETFT,（3）SINTTF（4）SINTTF（5）SINTRTF（7）2KTF（10）1KKF12画出下列各信号的波形式中为斜升函数。TTR（1）（2）1312TTTF212TRTRTRTF（5）（8）R5KK（11）（12）76SINKKF32F解各信号波形为（1）21312TTTTF（2）212TRTRTRTF（5）2TTRTF（8）5KKF（11）76SINKKKF（12）32KKKFK13写出图13所示各波形的表达式。。</p><p>8、大学英语阅读进阶 第四版 PART 1 Unit 1 Vocabulary in Context Practice 1 Examples 1 examples brushing their teeth washing their hands and facec B 2 examples the phones were constantly ringing people we。</p><p>9、第七章： 1. file server 文件服务器 2. carrier sense 载波检测，载波监听 3. protocol suite 协议组，协议集 4. peer-to-peer model 对等模型 5. bus topology network 总线拓扑网络 6. inter-machine cooperation 机器间合作，计算机间合作 7. Ethernet protocol。</p><p>10、大学英语阅读进阶 第四版 PART 1 Unit 1 Vocabulary in Context Practice 1: Examples 1. examples：brushing their teeth, washing their hands and facec; B 2. examples：the phones were constantly ringi。</p>