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【单选题】
当事人订立合同，要经过要约、承诺。下列文件中，构成合同要约的是（ ）。A.
招标公告
B.
投标文件
C.
传广告
D.
招标说明书
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反馈参考答案：
举一反三
【判断题】4). Ensuring that their children enter one of the top universities is the ultimate objective of some parents.
A.
正确
B.
错误
【简答题】44g锌与稀酸反应，在300K和99.97kPa下，于水面上收集到氢气2.15dm 3 。已知300K时的水蒸气压为3.57kPa，相对原子质量：S32，Cl35.5，Zn65.4。则：
【单选题】Flow control is a function that prs network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by netw...
A.
transmitting devices
B.
transmitted devices
C.
receiving devices
D.
received devices
【单选题】 “Shall I buy________milk?” “No, I still have________.”
A.
some; some
B.
some; a few
C.
any; a little
D.
any; little
【简答题】一密封容器的体积为V=6.0×10 -5 m 3 ，其中水的温度为T 1 =393K，相应的饱和蒸气压为p 1 =1.96×10 5 N/m 2 ．如在其中喷进10℃的水，则水的温度降为T 2 =373K，相应的饱和蒸气压为p 2 =9.81×10 4 N/m 2 ，求喷进去的水的质量．已知水的比热容为4.186×10 3 J/kg，汽化热为2.26×10 6 J/kg，水蒸气的摩尔定容热容C V...
【单选题】Flow control is a function that prs network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by netw...
A.
transmitting devices
B.
transmitted devices
C.
receiving devices
D.
received devices
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