greedy [5^ri:di]

____ [,disə'ɡri:mənt] n 不一致;分歧

The 3rd homeworkListen to the following, spell the words in English and translate into Chinese._________________ [ʃeip]• _________________['traiæŋɡl]• ____________[raund]• _______________ ['əuvl]• _______________ [hɑ:t]• _______________ [stɑ:(r)]• _______________ [riŋ]• _______________ [ˈrektæŋɡl]• __________[skweə(r)]• _______________ ['daiəmənd]• _______________ [kju:b]• _______________ [kəʊn]_______________ ['kʌlə(r)]• _______________ [(h)wait] _______________ [blæk]• _______________ ['jeləu] _______________ [ɡri:n]• _______________ [red] _______________ ['silvə(r)]• _______________ ['ɡəuldən] _______________ [piŋk]• _______________ [braun] _______________ [blu:]• _______________ ['pə:pl] _______________ [ɡrei]• _______________ ['aivəri]_______________ [məˈtiəriəl]• _______________ ['leðə(r)] _______________ [klɔθ]• _______________ ['plæstik] _______________ ['rʌbə(r)]• _______________ [ˈmetl] _______________ [wud]_______________ ['tekstʃə(r)]• _______________ [sɔft]• _______________ [hɑ:d]• _______________ ['tendə(r)] _______________ [rʌf]• _______________ [smu:ð] _______________ ['stiki]_______________ [weit ənd ˈvɔlju:m]• _______________ ['sentiˌmi:tə] =(cm)• _______________ ['miliˌmi:tə] =mm• _______________ ['kiləˌmi:tə]=km• _______________ [intʃ] (1 _____ =25.4mm)• _______________ [mail] (1_____=1.609km)• _______________ [ɡræm]=g• _______________ [ˈkiləgræm] =kg.• _______________[paund] (1______=0.4536kg)• _______________ [tʌn]（1______ =1000kg）

理想运算放大器的输入电阻为（） A: Ri→∞ B: Ri→0 C: Ri=0 D: Ri=0

理想运算放大器的输入电阻为 A: Ri → 0 B: Ri = 100 C: Ri→ ∞ D: Ri = 0

关于反馈对放大电路输入电阻Ri的影响，()是正确的 A: 负反馈增大Ri，正反馈减少Ri B: 串联反馈增大Ri，并联反馈减小Ri C: 并联负反馈增大Ri，串联正反馈减少Ri D: 串联负反馈增大Ri，并联负反馈减小Ri

只要保留实例（RI）定价模型中的哪一个可以更改RI的属性，交换会导致创建相等或更大价值的RI？（） A: 专用RI B: 预定的RI C: 可转换RI D: 标准RI

Please choose the right words according the following pronunciation.[ˈdevəsteɪt] [ri:k] [praɪˈɔ:rəti] [ˌvʌlnərə'bɪlətɪ] A: vulnerabilitywreakprioritydevastate B: devastatewreakpriorityvulnerability C: wreakvulnerabilitydevastatepriority D: prioritywreakdevastatevulnerability

图示含理想变压器的输入电阻为A.Ri=4B.Ri=C.Ri=1D.Ri=答() A: Ri=4 B: Ri= C: Ri=1 D: Ri=

图示含理想变压器电路的输入电阻为A.Ri=2B.Ri=4C.Ri=1D.Ri=答() A: Ri=2 B: Ri=4 C: Ri=1 D: Ri=