题干

长期以来,科学家认为光学显微镜不可能分辨出小于0.2微米的物体,美国科学家把光学显微技术带入纳米尺度,巧妙地打破了这个限制。由此可见(    )

①彻底认识世界是不可能的

②人们对事物的认识受具体实践水平的限制

③真理和谬误往往是相伴而行的

④认识工具的延伸促进人类认识的发展

A:①②

B:②④

C:①③

D:③④

上一题 下一题 0.0难度 选择题 更新时间:2018-09-30 11:46:48

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B

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    “Asia's Challenge 2020” Essay Prize

    DESCRIPTION

    What is the most important challenge facing Asia over the next decade? Why? What should be done about it?

The best answer in 3,000 words or less will win a prize of 2,500. Two runners-up will be awarded prizes of 1,000 each. These three prize winners will be invited to Singapore for an expenses-paid awards ceremony. The winning articles will be posted on Time.com.

    PURPOSE

    The main purpose of the essay prize is to generate fresh ideas for tackling key challenges to Asia's continued competitiveness and development, as well as encourage young professionals to make an impact on public policy and business in Asia.

    SELECTION CRITERIA

    The essay will be judged according to creativity, innovation, rigor of research and writing, as well as achievability of idea. It can be focused on one or more areas relevant to Asia, such as macro-economics, business, international relations, trade and investment, education, healthcare, urban development, science and technology, and energy and the environment. The essay must be written in English. It should not have been previously published in English in a publication with broad international circulation.

    CANDIDATE REQUIREMENTS

    The candidate authoring the essay must be under 32years of age as of December 31, 2010. The candidate must be an Asian national.

    SUBMISSION REQUIREMENTS

    The essay should be submitted electronically to prize@asiabusinesscouncil.Org. by August 31, 2010. Prize winners will be announced in September 2010.

    The submission should contain the candidate's full name, nationality, and month and year of birth. The essay should include a title and word count.