国开在线答案
- 2024-03-05 [单选] Theuseofthesedevicesisrestrictedtothemeasurementofsmalltomediumvolumeflowsoflowmolecularweightliquidsfreeofsolidcomponents.句中freeofsolidcomponents为()。
- 2024-03-05 [单选] Somearediscreteinthesensethattheyonlyusetwopositions.inthesensethat意为()。
- 2024-03-05 [单选] Somearediscreteinthesensethattheyonlyusetwopositions.句中连词that引导()从句
- 2024-03-05 [单选] Iftheinputsignaltothecontrollerandtheoutputsignalfromitactinthesamedirection,thecontrollerisdirectacting.句首连词if引导()从句
- 2024-03-05 [单选] Thebeginnershouldlearnhowtodrawthemproperlyandcultivatethehabitofsketchingthemontheslightestexcuse.句中连接副词how引导()从句
- 2024-03-05 [单选] Notethatmanyofthesymbolsarepictorial,whichhelpsinbetterdescribingprocesscomponents,unitsandequipment.本句为()句
- 2024-03-05 [单选] Abatchreactorisdefinedasaclosedspatiallyuniformsystemwhichhasconcentrationparametersthatarespecifiedattimezero.句中that指代()。
- 2024-03-05 [单选] Ultrasoundisnotdifferentfrom"normal"(audible)soundinitsphysicalproperties,exceptthathumanscannothearit.句中exceptthat引导状语从句,意为()。
- 2024-03-05 [单选] Morethan99%ofthevisiblematterintheuniverseisintheplasmastate.百分比percent(或percent,%)作主语时的主谓一致,百分比加不可数名词或单数名词时,谓语动词一般用()形式。
- 2024-03-05 [单选] Ifthechangeindensityissmallwithmoderatetemperatureandpressure,thefluidistermed“incompressible”;ifthechangesarenoteworthy,thefluidistermed“compressible”.句中两个if为连词,引导()从句。