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【判断题】
1位二进制数的定义是，考虑加数、被加数，低位来的进位，这样的1位二进制数的加法运算称为运算。这个说法是否正确？A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】.Although he had to spend lots of money for going to the ball,he accepted the invitation. the ball was important to him.
A.
After all
B.
In all
C.
First of all
D.
Above all
【单选题】____________ bag is yellow.__________ bag is red.
A.
M y;Her
B.
I;She
C.
M y;She
D.
I;Her
【单选题】How did the shopkeeper possibly feel when he accepted the cheques from the Englishman?
A.
Pleased.
B.
Doubtful.
C.
Disappointed.
D.
Surprised.
【单选题】A bag contains 6red marbles, 5yellow marbles, and 7green marbles. How many additional red marblesmust be added to the 18marbles already in the bag sothat the probability of randomly drawing a red marb...
A.
12
B.
16
C.
18
D.
24
E.
36
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