Google’s latest efforts to establish an online reading service might have the biggest impact because:
A．it will use a search engine with the fastest speed.
B．it will put into its search engine a large number of books hardly available otherwise.
C．it is famous for its search engine which is accurate and easy to use.
D．it will put into its search engine the most extensive materials ever known to have been scanned.
参考答案：B
解析：[听力原文]Google Inc. is trying to establish an online reading room for the New York public library as well as libraries at four universities -- Harvard, Stanford, Michigan and Oxford in England -- by scanning stacks of hard-to-find books into its widely-used Internet search engine. Scanning books so they can be read through computers isn’t new. But Google’s latest commitment could have the biggest impact yet, given the breadth of material that the company hopes to put into its search engine, which has become renowned for its processing speed, ease of use and accuracy.
[分析]： 因果关系的找寻和判断。 根据题干关键词可定位到原文相关信息But Google’s latest commitment could have the biggest impact yet，given the breadth of material that the company hopes to put into its search engine，which has become renowned for its processing speed，ease of use and accuracy由此可知，Google公司的搜索引擎因处理速度快、简单易用、准确性高而闻名，而将置于该引擎下的材料将十分广泛，如果考虑到这一点，那么该公司此举将影响深远。由此可见，B项内容与原文相符，该项为正确答案。[解题关键] 能够掌握信号词的用法。本题中原文given(如果考虑到；倘若)引导的从句表明了原因。