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【单选题】
一只电阻的阻值为3Ω,另一只为6Ω,将两电阻并联起来,其电阻值为A.
4 Ω
B.
2 Ω
C.
1 Ω
D.
3 Ω
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可以以一个投标人的身份共同投标
B.
必须由相同专业的不同单位组成
C.
各方应在中标后签订共同投标协议
D.
是各方合并后组建的投标实体
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A.
hadn’t prepared
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【单选题】根据《招标投标法》规定，投标联合体( )。
A.
以一个投标人的身份提交投标保证金
B.
必须由相同专业的不同单位组成
C.
各方应在中标后签订共同投标协议
D.
是各方合并后组建的投标实体