训练13（教参word）-（word书稿）2023大二轮【导学教程】旧教材老高考英语专题辅导与训练

训练(十三)　有提示词类 [对应学生用书P120] A (2022·河北高三阶段练习)Ancient footprints discovered in New Mexico indicate that early humans arrived in North America around 23, 000 years ago, researchers reported Thursday. The first footprints 1．______ (find) in a dry lake bed in White Sands National Park in 2009.Scientists at the US Geological Survey recently analyzed seeds stuck in the footprints 2.______ (determine) their approximate age.3.______ evidence suggested they were from 21, 130 to 22, 800 years ago. The findings may help scientists solve a mystery that has long attracted scientists: When did people first arrive in the Americas, after 4.______ (leave) Africa and Asia? Most scientists 5.______ (strong) believe that they came by way of a land bridge, now under water, that connected Asia to Alaska.According to various discoveries including stone tools and bones other researchers have offered a range of possible 6.______ (date) for human arrival in the Americas, from 13, 000 to 26, 000 years ago or more. “7.______ (we) study provides a more solid baseline for when humans were in North America, although they could have arrived even earlier，” they wrote in the journal Science, which published the study Thursday.“Fossil footprints are more 8.______ (rely) than cultural evidence.9.______ we present here is evidence of a firm time and location.” Based 10.______ the size of the footprints, researchers believe that at least some were made by children and teenagers who lived during the last ice age. [语篇解读]　本文是一篇新闻报道。文章讲述了最新考古研究发现，人类早在21 130至22 800年前就已经从非洲及亚洲来到了美洲。这比以前推算的日期早很多。 1．were found　考查动词时态语态。句意：第一个脚印是2009年在白沙国家公园一个干涸的湖床上发现的。根据时间状语“in 2009”可知，此处为一般过去时，主语The first footprints和find为被动关系，需用被动语态，主语为复数名词，be动词用were。故填were found。 2．to determine　考查非谓语动词。句意：美国地质调查局的科学家们最近分析了脚印中的种子，以确定它们的大约年龄。此处用所给动词的不定式作目的状语。故填to determine。 3．The　考查冠词。句意：证据表明，它们的出现时间从21 130年到22 800年。此处的 evidence指的是前面提到的seeds stuck in the footprints，需用定冠词the表示特指，位于句首，首字母需大写。故填The。 4．leaving　考查非谓语动词。句意：这些发现可能有助于科学家解决一个长期以来吸引科学家的谜