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【单选题】
用 555 定时器构成的施密特触发器,若 5 管脚接 6V 电压,则其回差电压为( )A.
3
B.
6
C.
2
D.
1
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举一反三
【简答题】刘备三顾茅庐时诸葛亮向其阐发自己治国见解的文章是?
【单选题】One branch of the horticultural industry concerned with intansively plant culture and production edibles is represented by _____________
A.
floriculture
B.
landscape horticulture
C.
pomology
D.
olericulture
E.
both A and B
F.
both C and D
【简答题】Tolerance to shade is one criterion for the _____________ of plants in forestry and horticulture.
【单选题】Which one is not right about the Book of Fan Shengzhi?
A.
It is generally viewed as the oldest existing agricultural treatise of China.
B.
It provided a detailed description of compartment method which promised higher yields per acre.
C.
It described the seed coating technique, one of the oldest seed processing methods.
D.
It covered a wide range of topics, detailing agronomy, horticulture, forestry, sericulture as well as the processing of sideline products, etc.
【简答题】某进出口公司当月进口120辆小轿车,每辆小轿车的到岸价格为7万元。该公司当月销售了110辆,每辆小轿车的零售收入为22.6万元。已知小轿车的关税税率为25%,消费税税率9%。试计算该公司应缴纳的增值税。
【单选题】Horticulture is one part of plant agriculture concerned with so-called _____________ .
A.
field crops
B.
grain and forages
C.
forestry
D.
garden crops
E.
agronomy
F.
animals
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