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下电路为一个采用热敏电阻作传感器的温度-电压转换电路,电阻R2为负温度系数的热敏电阻(温度升高,阻值减少)。当温度升高时,电阻R2阻值( ),输出电压Vo( )。选填“上升”或“下降”。 注:热敏电阻与普通电阻串联,一个接电源,一个接地,可实现温度升,输出电压Vo 升,也可实现 温度升,输出电压Vo 降。关键是,你要搞清楚谁接电源,谁接地否?
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【单选题】Every culture and every country in the world celebrates New Year, but not everyone does it the same way. The countries in North America and Europe we]come New Year on January the first. This practice ...
A.
Yes.
B.
No, only the Europeans and North Americans do so.
C.
It isn't mentioned.
D.
No, only the Romans did so.
【单选题】遗忘的进程是
A.
先快后慢
B.
先慢后壳
C.
U型曲线
D.
倒 U型曲线
【简答题】World Water Day is on March 22 every year. Which of the following is the symbol of it?
【单选题】遗忘的进程是
A.
U型曲线
B.
先快后慢
C.
先慢后快
【判断题】企业为在本企业任职或者受雇的全体员工支付的补充养老保险费、补充医疗保险费,分别在不超过职工工资总额10%标准内的部分,在计算应纳税所得额时准予扣除。( )
A.
正确
B.
错误
【单选题】Paper produced every year is ________ the world's production of vehicles.
A.
the three times weight of      
B.
three timesthe weight of
C.
as three times heavy as        
D.
three times as heavier as
【简答题】Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.
【单选题】【行政争议·单选题】设立于M省Y市(计划单列市)的甲公司对Y市税务局做出的行政处罚决定不服申请行政复议。下列机关中,有权受理该申请的是( )。(年)
A.
国家税务总局
B.
M省人民政府
C.
M省税务局
D.
Y市人民政府
【单选题】The Great Wall is one of the greatest wonders in the world, ______ people visited it every year. [     ]
A.
the number of
B.
a number of
C.
all the number of
【单选题】World Series is held in ( ) every year.
A.
July
B.
August
C.
September
D.
October
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