一看到你这题我突然想起了这题,非常有趣 After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two hours or help B. tested that could eventually have the capability of propelling aircraft anywhere in the world within two hours or to help C. tested, eventually able to propel aircraft anywhere in the world within two hours, or helping D. tested, and it eventually could propel aircraft anywhere in the world within two hours or helping E. tested, and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help
都是划线部分的词代词/动名词修饰不划线部分a of b结构的题而且答案是跳跃修饰的优选。 你这题C我个人觉得traditionally rich relationship换了位置意思偏移了一点点; 重要的一点是,原文没有要表达"通过...."的意思 |