2．According to the passage, what will happen if we hold that science is getting beyond control?

　　A．The development of science will hopelessly slow down.

　　B．Businesses will have even greater influence on science.

　　C．The public will lose faith in bringing about a bright future.

　　D．People will work more actively to put science under control.

　　答案　C　[细节理解题。根据第三段中的“This belief is dangerous too, because it fuels a sense of hopelessness and discourages them from making efforts to build a safer would.”可知，如果科学失控，公众就会对建设光明的未来失去信心，故答案为C项。]

　　3．The discussion should reach beyond scientific societies because ________.

　　A．scientists have failed to predict the outcomes

　　B．the ties between different areas need strengthening

　　C．united efforts are necessary for the development of science

　　D．people need to work together to prevent the bad use of science

　　答案　D　[细节理解题。根据文章最后一段最后一句“Only through the united efforts of people with hope, can we be fully safe against the misuse of science and can science best serve mankind in the future.”可知答案为D项。]

　　★4.What is the main idea of the passage?

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