1，What is the term for a stagnant lake that forms along a winding river due to soil erosion resulting in an abandoned stream, cut off from the river?
翻译：形成在河流的弯曲处，由于土壤侵蚀导致河道截断形成弃流的死水湖的术语是什么？
关键词：stagnant lake，winding river, soil erosion, abandoned stream, cut off
过程：
直接把前两组关键词扔到搜索框搜索，再仔细看一下搜索结果
2，What cabinet position had been held by the head of the commission that investigated the STS-51L disaster?
翻译：调查STS-51L事故委员会的领导在内阁的职位是什么？
关键词：STS-51L，commission，head，cabinet
过程：
- 先通过委员会的信息把这人找出来，用前两个关键词，得到了这个委员会的信息
- 点进去看看有没有成员信息，发现有，是美国国务卿。
3，What was the class rank upon graduation from West Point of the man who, until his dispute with the president, was commander of the U.N. troops in Korea?
翻译：他在与总统吵架之前是韩战中联合国军队的指挥官，这个人在西点军校的毕业时候的班级排名是多少。
关键词：class rank，graduation，west point，dispute，president，commander，U.N.，korea
过程
- 先把人找出来，只用commander和korea效果不好，再加一个U.N.，知道了这人是麦克阿瑟
-
搞清楚了是谁，其他什么dispute、president就没用了，直接查他的班级排名
