国开在线答案
- 2024-03-05 [单选] Enzymesareproteinsthatmaybeeitherisolatedmoleculesinsolution(homogeneous)ormoleculesboundtolargemacromoleculesortoacellwall(heterogeneous).句中that为关系代词，引导（）从句，指代proteins。
- 2024-03-05 [单选] Theuseofthesedevicesisrestrictedtothemeasurementofsmalltomediumvolumeflowsoflowmolecularweightliquidsfreeofsolidcomponents.句中freeof意为（）
- 2024-03-05 [单选] Opensteamisbeingblownintothetank,mixingwiththeothermaterialsinit.Closedsteamispassingthroughacoil,beingkeptseparatefromthetankcontents.本句使用进行时强调两种蒸汽（）。
- 2024-03-05 [单选] TheP&IDwillbetoodifficulttounderstandwhenequipmentsymbolsarestackedoneachotherandtheconnectionbetweenthesymbolsandtheequipmentcalloutsaredifficulttobeidentified.句中的too…to…结构意为（）
- 2024-03-05 [单选] Molybdenumisaboutathousandtimeslessexpensivethanplatinum,andathousandtimesmoreabundant.英文三倍和三倍以上倍数比较的写法为“基数词+（）+more/lessthan…”
- 2024-03-05 [单选] Theprincipleoftheconservationofenergystatesthatinasteadyflowthesumofallformsofmechanicalenergyinafluidalongastreamlineisthesameatallpointsonthatstreamline.句中第一个that为连词，引导宾语从句，宾语从句为（）结构，主干为thesumisthesame，其余部分为修饰语。
- 2024-03-05 [单选] However,thereseemstobealimittowhichthedryingairtemperaturecanbeincreased,sinceexcessivelyhightemperaturesmayadverselyaffectqualitywithrespecttodiscoloration,crackformation,andevenburningofthedriedproduct.句中连词since引导状语从句，意为（）。
- 2024-03-05 [单选] Theprocessofabsorptionconventionallyreferstotheintimatecontactingofamixtureofgaseswithaliquidsothatpartofoneormoreoftheconstituentsofthegaswilldissolveintheliquid.句中Theprocessofabsorption指（）过程。
- 2024-03-05 [判断] Heatexchanger：换热器，该短语翻译是否正确？
- 2024-03-05 [判断] Afractionatingcolumn：精馏塔，该短语翻译是否正确？