【摘 要】
：
我真想成为一棵树,可以为他人作出贡献。比如我立在城市中,吸收着大量的二氧化碳,净化着城里的空气;我立在河边,用根须抓紧泥土不让泥土流失;我立在风沙带,用身躯挡住风沙不
论文部分内容阅读
我真想成为一棵树,可以为他人作出贡献。比如我立在城市中,吸收着大量的二氧化碳,净化着城里的空气;我立在河边,用根须抓紧泥土不让泥土流失;我立在风沙带,用身躯挡住风沙不让沙尘暴肆意妄为:我还可以为人们遮阳挡雨,小歇怡情……
I really want to be a tree that can contribute to others. For example, I stood in the city, absorbing a lot of carbon dioxide, purifying the city’s air; I stood by the river, with roots to grasp the soil will not allow the loss of soil; I stand in the sand belt, body sandstorm sandstorm to prevent the wanton Inconvenience: I can also shade the rain for people, a small break Yiqing ......
其他文献
Pollution of the biosphere by heavy metals is a global hazard that has accelerated since the beginning of the industrial revolution. Toxic heavy metals are harm
高等护理教育对一个国家护理学科的发展、护理质量的提高及人民健康的促进起着越来越重要的作用,其担负着培养高等护理人才的重任.现代护理模式由以疾病为中心的功能制护理模
The sources about the seasonal and blossoming biology of some Ferula L. (F angrenii, F. ovina, F. dshizakensis, F. helenae) types which can be found in Western
Based on the analysis of China’s grain production and demand quality grade, this paper uses the non-equidistance GM (1,1) model and the inference algorithm to
目的 分析高同型半胱氨酸血症（Hhcy）与缺血性脑卒中的相关危险因素.方法 回顾性分析本院收治的256例缺血性脑卒中患者的临床资料,其中102例伴有Hhcy,154例不伴有Hhcy.分别采用
目的探讨临床护理路径降低剖宫产产妇产后抑郁发生率的疗效。方法将160例行剖宫产手术的产妇随机分为对照组和观察组,每组各80例,对照组采用常规护理,观察组采用临床护理路径
目的回顾性分析治疗蒽环及紫杉类耐药转移性乳腺癌（RMBC）的2种方法，对临床疗效和安全性进行比较，以期为晚期转移性乳腺癌的治疗提供新的思路和方法。方法蒽环及紫杉类耐药转移性
Sorgaab, an aqueous extract of sorghum leaves was applied to probe the modulation in growth and physiological attributes of maize under drought in lab and green
明清至民国头二十年闻．雷沟大布是张家港香山周边地区特别是介于南沙与后塍之间的雷沟一带的农妇手工纺织的土布。俗称老大（方音读如“杜”）布、小布、土纱经、土纱纬。它由织女
The aim of this study was to estimate the total amount of phenolic compounds of olive trees leaves (Olea europaea L.) as a biomarker for the assessment of heavy