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【多选题】
以下关于热电阻描述正确的是:
A.
热电阻是利用金属导体电阻值随温度增加而增加性质制成的
B.
金属热电阻测温范围达-200℃—1500℃
C.
金属热电阻测量精度高,性能稳定,但是线性度比较差
D.
金属热电阻测温灵敏度不如热敏电阻
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举一反三
【单选题】W hy do friends of the young couple often play certain tricks on them? ( )
A.
just play jokes with them
B.
make the couple show their love in public
C.
have fun for themselves
【多选题】创业必备的三大条件是()。
A.
团队建设
B.
OEM资源整合
C.
人脉关系
D.
企业资金
【单选题】According to the passage,the American recipe for success and happiness for a young couple is_____ ________________________________________________________________.
A.
one countryside, beautifully turned-out wife, combined with one scholarly husband, two beautiful girls and a great, big, beautifully decorated house
B.
one illiterate but industrious wife, combined with one farmer husband, two beautiful boys and a great, big, beautifully decorated house
C.
one educated, beautifully turned-out wife, combined with one super-successful businessman husband, two beautiful children and a great, big, beautifully decorated house
D.
one rich and bossy wife, combined with one intellectual husband, two beautiful boys and a great, big, beautifully decorated house
【单选题】在定性的分析闭环系统性能时,截止频率ω c 越高,则系统的稳定精度
A.
越高
B.
越低
C.
不变
D.
不确定
【单选题】点火线圈的温度一般不得超过( )。
A.
60℃
B.
80℃
C.
100℃
D.
120℃
【判断题】根据课程内容可知:孔子出身普通,父母都是当时的平民。( )
A.
正确
B.
错误
【单选题】在定性的分析闭环系统性能时,截止频率ω c 越高,则系统的稳定精度 ()
A.
越低
B.
越高
C.
不变
D.
不确定
【单选题】听力原文:W: So, how long have you been hem? M: Just a couple of days actually, I am on a big journey. You know. I'm visiting the places of interest here. What's the man doing?
A.
He's working in a hotel.
B.
He's visiting a young people.
C.
He's traveling around.
【简答题】Cloze ,Please fill in complete words. F__1_ is sometimes not very kind to policemen like myself. 。Take as an example the recent t__2__ in which I was involved. When I arrested the young lad I had felt...
【简答题】It was a winter morning, just a couple of weeks before Christmas 2005. While most people were warming up their cars, Trevor, my husband, had to get up early to ride his bike four kilometers away from ...
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