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人类的中枢免疫器官是
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关于尿渗量的概念，正确的是
It is a great pleasure for me to welcome you to this meeting on such an important issue as science, information and society． Today, science and information are opening up new horizons for human development． They do SO through the exchange of scientific knowledge, the expansion of education and training, and the promotion of creativity and intercultural dialogue． Our organization is required therefore to help enlarge the spread of science and informa． tion through better education． Yet science education does not take place only in universities and institutions of higher education．An early start must be made if we are to increase the numbers of students who are interested in pursuing a scientific career． The uneven distribution of science and information between the industrialized and devel- oping countries also raises concerns．According to a UN Report, industrialized countries, with only 15%of the world’s population, are home to 88%of all Internet users．Less than 1%Of people in South Asia are online, even though it is home to one-fifth of the world’s population． The situation is even worse in Africa．There are only one million Internet users on the entire continent whereas in the UK alone there are 10.5 million．In other words, capacity-buffding is vital for the developing world if they are to become knowledge societies． These are some ofthe key issues that I hope you will discuss during the upcoming meeting． In particular, I am keen to hear your views on how this meeting can make a difference and, indeed, how science and information can make a difference in building knowledge societies． Thank you．
WHO推荐的成人皮肤采血部位是（）
关于非发酵菌的叙述，错误的是
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