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2. C 选项是末段数字之和关系 30. The application of advanced technology to research in solar energy _________. A) would lead to a big increase in research funding B) would make it unnecessary to import oil C) would make it possible to meet the future energy needs of the EEC D) would provide a much greater proportion of the Communitys future energy needs 注：D选项中的 greater proportion = 文章第三段中的 bigger share Mr. Gretz calculates that if solar energy only provided three percent of the EECs needs, this could still produce a saving of about a billion pounds in the present bill for imported energy each year. And he believes that with the possibility of utilizing more advanced technology in this field it might be possible to satisfy a much bigger share of the Communitys future energy needs. 27. Some scientists believe that a breakthrough in the use of solar energy depends on __________. A) sufficient funding B) further experiments C) advanced technology D) well-equipped laboratories 注：A选项讲到资金;C讲第三段，为窜段选项;D涉及句子次要成分的选项， ●涉及句子当中主要成分选项优选于涉及次要成分选项，次要成分包括：插入语，同位语 | 
