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【单选题】
或逻辑的运算规则是( )A.
输入有0得0，全1得1
B.
输入有1得1，全0得0
C.
输入有1得0，全0得1
D.
输入有0得1，全1得0
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举一反三
【单选题】Arrows in the flowchart is used for the purpose of ______.( )
A.
to decide the order of steps
B.
for decision making
C.
compare the values
D.
Input and output
【单选题】______ is used for lifting cargo.
A.
A mooring winch
B.
A windlass
C.
A deck crane
D.
A lifeboat
【单选题】In the balance of payments, the statistical discrepancy is used to:
A.
ensure that the sum of all debits matches the sum of all credits.
B.
ensure that the value of imports equals the value of exports.
C.
show how a balance-of-payments deficit is funde
D.
obtain an accurate account of a balance-of-payments surplus.
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