【简答题】Unit 4 Listening Task 2 Mr. Brown is talking with a clerk in a bank. Listen to the conversation and answer the following questions. 1. How much unused RMB does Mr. Brown have? He has _____________...
【单选题】How long will Mr. Brown be staying?
【简答题】Task 2 Mr. Brown is talking with a clerk in a bank. Listen to the conversation and answer the following questions. 1. How much unused RMB does Mr. Brown have? He has _____________ yuan .
【简答题】Mary was friendly to my sister because she wanted her to be her bridemaid .
【单选题】毎日遅くまで残業して疲れ_____なので今日は早く帰ることにした。
【单选题】已知 , B 是 3 阶非零矩阵,且 AB=O ,则( ) (提示:当AB=O时,r(A)+r(B)小于或等于n(n为A的列数))