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【单选题】
以下不属于触发器特点的是（）。A.
能够存储 1 位二值信号
B.
能根据不同的输入信号置成 1 状态
C.
能根据不同的输入信号置成 0 状态
D.
其存储的值的改变仅跟输入信号有关
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皮皮学刷刷变学霸
举一反三
【单选题】UK Gross Domestic Product (in contrast to Gross National Product) measures the production and income of
A.
British-owned firms no matter where they are located in the world
B.
none of these answers
C.
the domestic service sector only
D.
people and factories located within the borders of the UK
【简答题】300×20的积的末尾有______个0；40×50的积的末尾有______个0．
【简答题】40×20的积的末尾有______个0，60×50的积的末尾有______个0．
【单选题】Agriculture ( ) 20 per cent of the gross domestic product in a country with an agricultural population of around 1 billion.在我国农民人口约十亿，农业占国民生产总值的20%。
A.
accounts for
B.
accountant for
C.
accounts out
D.
account for
【单选题】____ refers to the sum of the gross domestic product of all countries.
A.
net world product
B.
world net income
C.
gross world product
D.
gross world income
【简答题】求解逗号表达式 x=a=3,6*a 后，表达式值、x、a 的值依次为A. 18B. 3C. 3
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