皮皮学，免费搜题
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【单选题】
一般发动机的正常工作温度为( )°C。A.
70-90
B.
85-105
C.
100-125
D.
150-200
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【单选题】听力原文： If you are going to create a TV show that plays week after week, it needs an actor who can play a believer, you know, a person who tends to believe everything. Tonight in our show we have David ...
A.
He had excellent academic records at school and university.
B.
He was once on a PhD program at Yale University.
C.
He received professional training in acting.
D.
He came from a single-parent family.
【单选题】以下关于信息系统终结的关键控制点和主要控制措施的说法中，不正确的是()。
A.
系统终结是信息系统生命周期的最后一个阶段，在该阶段信息系统将停止运行
B.
信息系统终结，信息档案也随之终结
C.
企业破产或被兼并、原有信息系统被新的信息系统代替通常会导致系统终结
D.
系统终结有可能导致数据泄密
【单选题】Mary was one of the principal organizers of the Artists' Guild.
A.
planners
B.
employees
C.
actors
D.
recipients
【单选题】The rectifier uses the ability of a diode to conduct during one half cycle of ACto convert ACto DC. A single diode rectifieronly uses the positivehalf part of the AC wave to produce a half-wave varyin...
A.
整流器
B.
正半周期
C.
二极管
D.
导通
【简答题】翻译: en el acto
【单选题】En este acto estuvieron presentes...
A.
la esposa, las hijas y los padres del rey Felipe VI.
B.
solo Felipe VI y su padre don Juan Carlos.
C.
solo el Rey y la Reina de España.
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