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【单选题】
下列带符号整数在计算机中表示方法的叙述中,________是错误的。
A.
数值"0" 使用全0表示
B.
正整数采用原码表示,负整数采用补码表示
C.
负数的符号位是"1"
D.
正整数采用补码表示,负整数采用原码表示
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参考答案:
举一反三
【简答题】_________ is well known to the peasants,pests continue to eat crops, damage. A.It;causing B.As;caused C.It;caused D.As;causing
【简答题】阅读理解 Some plants get so hungry they eat flies, and even small frogs. What's more amazing is that these plants occur naturally (in special environments) in every state. In fact, they're found on every ...
【判断题】百分表测量某尺寸为0.05mm。
A.
正确
B.
错误
【判断题】刚性屋面中的钢筋应按混凝土及钢筋混凝土工程分部编码列项。( )
A.
正确
B.
错误
【简答题】Some plants get so hungry they eat flies, and even small frogs. What's more amazing is that these plants occur naturally (in special environments) in every state. In fact, they're found on every conti...
【简答题】Some plants get so hungry they eat flies, spiders, and even small frogs. What’s more amazing is that these plants occur naturally (in special environment) in every state. In fact, they’re found on eve...
【单选题】Frogs are important in the ecosystem because they control pests.
A.
Y
B.
N
C.
NG
【单选题】零件环境中我们可以知道零件以下哪种物理特性?
A.
重心
B.
形心
C.
质心
D.
以上均可
【简答题】Frogs are animals that can live both in water and on land. There are more than 5,000 kinds of frogs on the earth. The earliest known frogs lived about 190 million years ago and the frogs today still l...
【单选题】()零件环境中我们可以知道零件以下哪种物理特征?
A.
重心
B.
形心
C.
质心
D.
以上均可
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