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【简答题】
I still remember the morning. My father suddenly wake me up at about 5 and the sky was still gray. I jumped out bed surprised and extreme happy, for we were going to get a book! When we drove to the bookstore, many people were already waiting there. We waited for our turn at about 8:30. I was overjoyed when I got a book, not only because of the book themselves, but also of the love from my father. Never before had I felt such a love from him, because of my father, I believed then, had always been busy with his own work. That was “Harry Potter” that helped I feel the deep love from my parents!
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【判断题】改变直流电机励磁电流的方向,就改变主磁极极性,也就改变了磁场方向
A.
正确
B.
错误
【简答题】对于发动机横向布置的汽车,单级主减速器采用一对 齿轮即可。
【简答题】对于发动机横向布置的汽车,单级主减速器采用一对( )齿轮即可。对于纵向布置的汽车,采用( )齿轮。
【单选题】引导总锁方式的引导信号不检查()位置。
A.
列车
B.
进路
C.
道岔
D.
信号机
【多选题】以下哪几种是我们所说的促销( )。
A.
你产品的成本
B.
顾客愿意出多少钱买你的产品
C.
竞争对手同类商品价格
D.
企业商品的存货量
【单选题】病原生物与非病原生物最重要的区别在于:
A.
致病性
B.
传播性
C.
寄生性
D.
地方性
E.
季节性
【单选题】改变直流电机励磁电流的方向,就改变主磁极极性,也就改变了( )方向。
A.
转矩
B.
磁场
C.
转矩和磁场
D.
无答案
【简答题】¥10.57 应写成:________________________________________
【简答题】血栓形成(thrombosis)
【单选题】When doing my homework,________.
A.
I heard the doorbell ring
B.
the doorbell rang
C.
my mother came in
D.
my mother was cooking
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