国开在线答案
- 2024-03-05 [单选] Almostallexplosivesareultimatelyderivefrom（）.
- 2024-03-05 [单选] （）isnotcategorizedashigh-volumesectors.
- 2024-03-05 [单选] （）isnotincludedinthetypesofIndustrialResearchandDevelopment.
- 2024-03-05 [单选] Theotherlimitwherethefluidflowissimpleisthetubularreactor,wherethefluidiscompletelyunmixedandflowsdownthetubeasaplug.句中第一个where为关系副词，引导（）从句。
- 2024-03-05 [单选] Essentiallyconstantconditionsareknowntoexistinboththehorizontalandverticaldirectionsinbothshortandlongbeds.本句采用（）语态。
- 2024-03-05 [单选] Forenclosedvessels,itisnecessarytolocateasecondsensingpointabovetheliquidsurface,toeliminatetheeffectofanyabsolutepressurefluctuations.benecessary，后接（）。
- 2024-03-05 [单选] Thecontrollertypeortheparameterstobeadjustedonthecontrollermustbechosenoroptimizedinaccordancewiththeexpecteddynamicbehaviorofthecontrolcircuit.词组inaccordancewith意为（）。
- 2024-03-05 [单选] Itsadvantageoversteamdistillationisthatitoperatesatalowertemperature,whichcanseparatetheplantwaxesfromtheoils.句中that为连词，引导（）从句。
- 2024-03-05 [单选] Ifthechangeindensityissmallwithmoderatetemperatureandpressure,thefluidistermed“incompressible”;ifthechangesarenoteworthy,thefluidistermed“compressible”.这里“incompressible”和“compressible”分别代表（）流体。
- 2024-03-05 [单选] Insomedriers,thesolidmaybeincontactwithheatedmetalsurfaceswheretherequiredheatofvaporizationflowstothesolidbyconduction.句中conduction指（）。