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【单选题】
具有_______心理的网络消费者,往往是某一站点的忠实浏览者,一般也是某个品牌的忠实拥护者。
A.
(A) 理智动机
B.
(B) 交流动机
C.
(C) 惠顾动机
D.
(D) 需求动机
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举一反三
【多选题】溢流阀的作用有( )。
A.
溢流
B.
安全
C.
背压
D.
卸荷
E.
平衡
【多选题】溢流阀的作用有?
A.
保证出口压力恒定
B.
泵卸荷
C.
安全阀
D.
背压阀
【单选题】A brittle mind appears to be ________.
A.
a mind which may appear strong, but is actually nervous and vulnerable
B.
a mind which appears nervous and vulnerable but is actually strong
【简答题】When I was a small boy my family was very poor. My father always used his savings to my mother to visit her parents who lived far away. There was just my younger brother and myself in the house. One e...
【简答题】向氯化锂溶液中滴加磷酸氢二钠溶液
【多选题】溢流阀的作用有
A.
调压溢流
B.
安全保护
C.
使泵卸荷
D.
【多选题】溢流阀的作用有:
A.
稳压
B.
限压
C.
调压
D.
其他三项都正确
【单选题】图示溢流阀的作用有()。
A.
二位二通电磁阀通电时,可使泵卸荷,溢流稳压作用。
B.
二位二通电磁阀通电时,泵停止运转。
C.
二位二通电磁阀通电时,溢流阀不起作用。
D.
二位二通电磁阀通电时,电磁阀上位接入系统。
【单选题】下列汉字从古文字角度看都是象形字的一组是( )
A.
车上戒理
B.
牛下武冈
C.
虎亦隻救
D.
馬燕行女
【单选题】听力原文: My father was a very soft-spoken man, however, he had some very definite ideas about money and work. He believed that work was good for the soul and, besides, money could come in very handy. Pap...
A.
He was indifferent to his job.
B.
He was happy about his job.
C.
He was unhappy about his job.
D.
He was satisfied with his job.
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