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【单选题】
下列有关招标投标签订合同的说法,不正确的是A.
应当在中标通知书发出之日起30天内签订合同
B.
招标人和中标人不得再订立背离合同实质性内容的其他协议
C.
招标人和中标人可以通过合同谈判对原招标文件、投标文件的实质性内容作出修改
D.
如果招标文件要求中标人提交履约担保，招标人应向中标人提供同等数额的工程款支付担保
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】66666666666
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored in a cold place.
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored, in a cold place.
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored in a cold place.
【单选题】下列基团从小到大排列正确的是
A.
烷基、醚基、酯基、酮基
B.
烷基、酯基、醚基、酮基
C.
烷基、酮基、醚基、酯基
D.
烷基、酯基、醚基、烯基
E.
烷基、酮基、酯基、醚基
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