国开在线答案
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2024-03-05
[判断] Asaliquidmixtureintheroundbottomedflaskisboiled,vaporrisesupthefractionatingcolumn.当圆底烧瓶中的混合物煮沸,蒸气上升至分馏塔。该句翻译是否正确?
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2024-03-05
[判断] Withsomehazardousmaterials,youcanprovidefurtherprotectionbyusinginertgastolimittheoxygenlevelinthevacuumdryer.在有害物质存在的情况下,可以利用惰性气体提供进一步的保护,以限制在真空干燥器中的氮含量。该句翻译是否正确?
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2024-03-05
[判断] Radiationisthetransferofheatenergythroughemptyspace.热辐射是指热能通过真空传递的一种方式。该句翻译是否正确?
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2024-03-05
[判断] Themixturecouldexistasacombinationofanytwoormorestates:solid-solid,solid-liquid,solid-gas,liquid-liquid,liquid-gas,gas-gas,solid-liquid-gasmixture,etc.混合物可能存在任何两个或两个以上的状态:固-固,固-液,固-气,液-液,液-气,气-气,固-液-气混合物等。该句翻译是否正确?
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2024-03-05
[判断] 英文简历中求职意向部分无需长篇大论,用短句或短语有针对性地写下相关领域或具体岗位即可:如Primaryschoolscienceteacher;Toobtainasecretarialposition;Customerservicerepresentativeinhealth-careindustry等。该说法是否正确。
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2024-03-05
[单选] WhichtermcancorrectlybeappliedtothereactionZn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)?
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2024-03-05
[单选] Electricityiscarriedthroughasolutionofanelectrolyteby()
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2024-03-05
[单选] Arrangeinorderofdecreasingradii(半径):KMgMg2+Na()
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2024-03-05
[单选] ArrangethebasesClCH2COO-,CH3COO-andFCH2COO-inorderofincreasingstrength
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2024-03-05
[单选] Whichgaswouldbeexpectedtobehavemostideally?
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