Hairlosscanbedestructiveforthemillionsofmenandwomenwhoexperienceit.Nowscientistsarereportingthatasubstancefromhoneybeehivesmightcontainclues,fordevelopingapotentialnewtherapy.Theyfoundthatthematerial,calledpropolis,encouragedhairgrowthinmice.ThestudyappearsinACSJournalofAgriculturalandFoodChemistry.KenKobayashiandcolleaguesnotethatpropolisisaresin——likematerialthathoneybeesusetosealsmallgapsintheirhives.Notonlydoesitworkasaphysicalbarrier,butitalsocontainsactivecompoundsthatfightfungalandbacterialinvasions.Peoplefromancienttimeshadnoticedpropolis'specialpropertiesandusedittotreattumors,inflammationandwounds.Morerecently,researchhasshownthatthesubstancepromotesthegrowthofcertaincellsinvolvedinhairgrowththoughnoonehadyettestedwhetherthatinturnwouldresultinnewlocks.Kobayashi'steamwantedtofindout.Whentheresearcherstestedpropolisonmicethathadbeenshavedorwaxed,themicethatreceivedthetreatmentregrewtheirfurfasterthanthosethatdidn't.Thescientistsalsonoticedthatafterthetopicalapplication,thenumberofspecialcellsinvolvedintheprocessofgrowinghairincreased.Althoughtheytriedthematerialonmicethatcouldgrowfurratherthanbaldingmice,theresearchersnotethathairlossconditionsoftenresultfromabnormalinflammation.Propoliscontainsanti-inflammatorycompounds,sotheyexpectitcouldhelptreatbaldingconditions.Theyaddthatfurthertestingisneededtoseeifthebeehivematerialaffectshumanhairfollicles.
学生在上课时,一边听讲,一边思考,一边记笔记,这属于______。
盲人的触觉、听觉一般非常灵敏,这说明人的身心发展的互补性。
“孟母三迁”的故事反映了______对人的重要影响。
下列词语中加点字注音全部正确的一项是( )。
学生在学校各项权利中最主要、最基本的一项权利是______。
下列函数周期为4的是______.①②f(x-2)=-f(x);③f(x-2)=f(x+2);④⑤f(x)=f(x-1)+f(x+1).
认知者自身对社会知觉的影响主要表现在______。
计算机系统由两大部分组成,它们是______。
______是班主任的一项任务和重点工作。
在光纤通信中,按使用的光源和传输方式的不同或按照光纤的总模数规格可分为______光纤和______光纤两大类。
下列选项中,有语病的是( )。
教育的本质是______。
Here is my idea about how a friend is like. Firstly, 【M1】______a friend is someone you can share your secrets. If you 【M2】______tell him a secret, never will he talks about it with anybody 【M3】 ______else. Besides, a friend is always good listener when you 【M4】______need one. After hear your sad stories, he will say some 【M5】______words that is nice and warm. Still, your happiness makes 【M6】______him happily, too. What's more, a good friend is willing to 【M7】______offer the help to which you need, or can at least give you 【M8】______some advices. In a word, friends are those you like and 【M9】______trust, and you will enjoy every minute that you spent with【M10】 ______them.
大约2岁半以后,幼儿进入实词句阶段,经常说出类似“妈妈球球”“爸爸班班”之类的语句
经过圆x2+2x+y2=0的圆心C,且与直线x+y=0垂直的直线方程是______。
传统教育与现代教育的代表人物分别是______。
逆向思维:一种思维方式,具有批判性、新颖性和创造性,克服由经验和习惯造成的僵化思维模式
在教学过程之中,旨在发现学生学习中存在的问题,帮助教师调整和改进教学的评价是______。
