In his book on biotechnology, Rifkin ______ that "for now, the most important is

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问题 In his book on biotechnology, Rifkin ______ that "for now, the most important issue at hand is to make the new science and technology an issue of considerable public attention."(2011年华东师范大学试题)

选项 A、hypothesizes
B、maintains
C、mandates
D、speculates

答案 B

解析 四个选项的意思分别是hypothesize假设,猜测; maintain坚持,主张;mandate强制执行,委托办理:speculate思索,猜。句意是在他所写的有关生物技术的书中,里夫金认为“目前手边最重要的事是使新的科学和技术成为公众广为关注的问题。”所以正确答案是B。
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