When required in tonnage quantities, oxygen is prepared by the’ fractional disti

游客2025-05-08 0

问题 When required in tonnage quantities, oxygen is prepared by the’ fractional distillation of liquid air. The process takes advantage of the fact that when a ______ gas is allowed to expand, it cools. (compress)

选项

答案 compressed

解析

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When required in tonnage quantities, oxygen is prepared by the’ fractional disti

Inthispart,youarerequiredtowriteacompositionentitledChina’sOver

______theymustputasidetheirprejudices,______.wemustbepreparedtoacc

Mr.Mortongradually______aknowledgeofthesubject.A、attainedB、requiredC、a

Whenrequiredintonnagequantities,oxygenispreparedbythe’fractionaldisti

Anextensivefoundationinthebasicsciencesshouldberequiredofallscience

______,wateriscomposedoftwopartshydrogenandonepartoxygen.A、Asisknow

Heisconstantlylate,andill-preparedwhenhedoesfinallyarrive.Heisjeopa

Inthispart,youarerequiredtowriteacompositionentitledOnSustainabl

Inthissectionyouarerequiredtowriteanessayinaccordancewiththefo

Inthispart,youarerequiredtowriteacompositionentitledMigrantFarme

Whatistheconversationmainlyabout?[originaltext]W:Hi,Jim.Haveyoueverr

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[originaltext]Inarecentstudyofsix-andseven-year-oldsinthePhiladel

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下列关于市场占有率的说法中，错误的是（ ）。A.市场占有率反映了公司产品的技术

A前面四个图形可以拼合成选项B的图形。故答案为A。

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