A. involves a lot of technological problems B. remains a controversial issue C. is expected to get under way soon D. will enable the U. S. to be oil independent 参考答案:B 答案解析:通过阅读全文,可以得知,关于开发北极地区国家生物保护区的石油的问题有两种意见:一种赞成;一种反对。文中尚未形成定论。因此,选项A、C、D很容易就被排除掉了,故选 B)。
第32题: [单项选择]He spoke so______ that even his opponents were won over by his arguments. A. bluntly B. convincingly C. emphatically D. determinedly 参考答案:B 答案解析:这也是一道词义辨析题,convincingly adv,表示“信服地,有说服力地“;bluntly adv.意为“坦率地,率直地”: emphatically adv.意为“强调地,用力地“:dete