问题
单项选择题
起动机电刷与整流器的接触面积应达到()以上。
A、75%
B、80%
C、85%
D、90%
答案
参考答案:A
起动机电刷与整流器的接触面积应达到()以上。
A、75%
B、80%
C、85%
D、90%
参考答案:A
书面表达 假设你是Lynn, 与在美国读书的好友Maria 分别7年了。7年里你的变化很多。请根据下表的内容, 给Maria写一封信,谈谈自己的近况。内容可以适当发挥想象。信的开头与结尾已为你写好,你只需接着往下写。(词数60-80)。
Long time no see. I have changed a lot since we last met seven years ago. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ ______________________________________________________________ ____ How is it going there with you? Please write back soon and tell me about yourself. Love from, Lynn |