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小学生善于模仿,态度自然,乐于参加活动,这是他们学好英语的有利条件。但目前的小学英语课堂还大量存在着学生规规矩矩地坐着、唯唯诺诺地举手、小心翼翼地回答的现象,教师与学生之间缺乏交流、互动,课堂气氛如一潭死水,这种状况对小学英语教学极为不利。下面我就如何让英语课堂充满活力谈几点尝试。 一、直观教学,眼见为实 俗话说:“百闻不如一见。”人总是通过感官获取各种信息,以此来感知周围世界的存在,所以视觉
Sorptionanddesorptionkineticsofphthalatesandphenolonwater/sedimentinterfaceYeChangming,ZhaoWushan,LiTie,LeiZhifang,YanHaiRes...
CharacteristicsofchangeofhumicsubstanceinsoilindegradedgraslandsShengXuebinResearchCenterforEcoEnvironmentalSciences,Chinese...
VerticalfluxesofvolatilemercuryoversoilsurfacesinGuizhouProvince,ChinaFengXinbin,ChenYecai,ZhuWeiguoStateKeyLaboratoryofEnvir...
Numericalmodelingofradionuclidemigrationinporousmediawithnonequilibriumsorption¥ChenJiajun;DaiJie(DepartmentofEnvironmentalEn...
Seleniummetabolisminanimalsandhumans¥P.D.Whanger(DepartmentofAgriculturalChemistry,OregonUniversity,Oregon97331-7301,USA)Abst...
NuclearpowerdevelopmentandradiationsafetycontrolinChinaHuErbang(ChinainstituteforRadiationProtection,Taiyuan030006,China)Nucl...
ChemicalcharacteristicsofacidifiedwatersinsouthwestChinaLeiZhihong;LiangXiaoming;XuXiaoqing;XiaYicheng(InstituteofHydrobiolog...