摘要: PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.关键词:dental plaque oral hygiene electric toothbrush ...
[E]首句指代词These issues可回指空格上句today’s globalchallenges,句子将全球性挑战的根本原因归于人类行为。第二句以“气候变化问题(Climate change)”举例说明。该例与空格后句所举“饥饿问题”形成并列(developing clean energy对应agro-technological tools,是选项首句technologicaldevelopment的具体例证;changing.....
aThese research results have an important significance for the present on people's understanding of a variety of social, interpersonal, education and teaching, literary and artistic creation. Gender differences in the virtual network must be broaden the research area of language and gender study.[tra...
Social workers encounter many challenges in the profession as it delivers social services and interventions to vulnerable groups of people who are...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask...
UN Secretary-General Antonio Guterres on Monday spoke highly of China's Belt and Road Initiative, saying "China plays a very central role" through it in uniting the world in addressing today's global development challenges. Photo exhibition on Belt and Road Initiative opens at UN headquarters A...
Social sciences and public health: Three pathways and some questionsdoi:10.1080/14443050209387788LenoreCanadaMandersonCanadaInformaworldJournal of Australian StudiesManderson, L. (2002). Social sciences and public health: Three pathways and some questions. Journal of Australian Studies, 26(74), 105-126...
Start today. Try it now Create an account Ask a question Our experts can answer your tough homework and study questions. Ask a question Search AnswersLearn more about this topic: Salary Definition, Compensation Systems & Examples from Chapter 7 / Lesson 3 84...
Multicultural comics today: A brief introduction about? Is it the gay people? or the black people or the Asian people? Aft er a while, it doesn't look like a social agenda. Th is is the world we live in" (Gustines, "Straight (and Not) Out of the Comics," 25). ... FL Aldama...
Stress is also starting earlier in life, with some data suggesting that today's teens are even more stressed than adults. 出自-2016年12月阅读原文 Some scientists are examining the potential for harvesting icebergs form Antarctica, which is estimated to have the biggest reserves of fresh water on...
aWe cannot ignore some of the problems that have emerged as a result of rapid growth. These include marked economic imbalances, environmental issues and widening social disparities that need to be addressed to sustain growth over the longer term. 我们不可能忽略由于迅速增长,涌现了的某些问题。 这些...