解析 C 【详解】 句意:树木释放氧气并吸收二氧化碳。 考查动词和动词短语辨析。give off发出;let off对……宽大处理;release释放;give on让步;let out释放;absorb吸收。由“Trees…oxygen and…carbon dioxide”及常识可知,树木释放氧气吸收二氧化碳。故选C。反馈 收藏 ...
Trees oxygen and carbon dioxide.A. give off, let off B. release, give off C. let out, absorb D. release, let out 相关知识点: 试题来源: 解析 C 考查动词词组。let out "放出,释放(水、空气等);呼(气)" ;absorb "吸入" ;give off "发出; 放出; 散发出; 放射出;" release "释放,...
二氧化碳由碳和氧组成。 Carbon dioxide ___ ___ carbon and oxygen. 相关知识点: 试题来源: 解析 consists of 【详解】consists of固定搭配consist of由…组成;该短语没有被动语态也没有进行时,相当于be made up of="be" composed of。反馈 收藏 ...
Humans take in oxygen(氧气) and breathecarbondioxide(二氧化碳).A.inB.fromC.ofD.out 答案 【解析】10.D take in意为“吸人”;breathe out意为“呼出”。根据题意“人吸入氧气,呼出二氧化碳”可知选D相关推荐 1【题目】10. Humans take in oxygen(氧气) and breathecarbondioxide(二氧化碳).A.inB.fromC...
句意:天文学家还通过卫星发现,对生命至关重要的氧原子和二氧化碳存在于火星的大气中。分析句子结构可知, ① are fundamental to life是一个非限制性定语从句,修饰先行词oxygen atoms and carbon dioxide,关系词在从句中作主语,指物,that不能引导非限制性定语从句,用which引导该从句。故答案为which。
oxygen的单数和复数形式怎么写 oxygen只有单数，没有复数形式 例句 1.Humanstakeinoxygenandbreatheoutcarbondioxide.人吸入氧气，呼出二氧化碳。2.Alllifedependsultimatelyonoxygen.一切生命归根到底都要依赖氧气。3.Hydrogenandoxygencombinetoformwater.氢与氧化合成水。
Part 1 || Oxygen and Carbon Dioxide Mass Balance for the Estuarine-Intertidal Marsh Complex of Five Rivers in the Southeastern U.S A. Moran and Y. Wang. 1999. Oxygen and carbon dioxide mass balance for the estuarine-intertidal marsh complex of five rivers in the southeastern U.S... WJ ...
A custom oxygen analyzer in conjunction with an infrared carbon dioxide analyzer and humidity sensors permitted simultaneous measurements of oxygen, carbon dioxide, and water vapor fluxes from the shoots of intact barley plants (Hordeum vulgare L. cv Steptoe). The oxygen analyzer is based on a calc...
For carbon dioxide sensing, the selective recognition layer can be, in one example, PEI/starch. For oxygen sensing, the selective recognition layer can be, in one example, indium zinc oxide (IZO). In one application, the HEMTs can be used for the detection of carbon dioxide and oxygen in...
Carbon dioxide and oxygen disequilibrium in a tidal basin (Dutch wadden sea). Neth J Sea Res 31: 221-229, 1993.Carbon dioxide and oxygen disequilibrium in a tidal basin (Dutch Wadden Sea). Neth. J. Sea Res. 31: 221-229.Hoppema, J. M. J. , 1993: Carbon dioxide and oxygen ...