1、【 精品教育资源文库 】 .阅读理解 A Royale is surrounded by deep blue waters of Lake Superior, the largest freshwater lake on Earth. The only way to get there is by boat or sea plane. The National Park Service operates shuttle boats that take visitors to Isle Royale. The boats leave from two Michigan ports. A boa
2、t trip to Isle Royale takes three to five hours. Waters are often extremely rough. Modern copper mining began in the late 1800s, resulting in large areas of the island being burned. This led to settlement development. Soon, Isle Royale became popular for summer homes. It became a national park on Ap
3、ril 3, 1940. In 1980, officials named it an International Biosphere Reserve (生物圈保护区 ) because of its unique ecosystem. Isle Royale offers hiking, camping, boating, and even scuba diving. The National Park Service protects 11 sunken (沉没的 ) boats for divers to explore. They are reminders of Lake Super
4、iors commercial shipping history. The sunken wooden ship called The America is one of the most popular dive sites. The America carried passengers, mail, and supplies to many towns along the shores of Lake Superior. It first launched in 1898, and was used until 1928, when it was damaged. It sank to t
5、he bottom of the lake soon after. Visitors to Isle Royale share the trails with a well studied population of wolves. Scientists believe wolves walked there during a freeze of the lake sometime in the 1940s. Researchers closely record their population numbers. Much of the research takes place during
6、the winter, when the trees are bare. The researchers fly over the island to observe the animals from above. Animal research is the only winter activity going on at Isle Royale. The national park is closed each year in late October because of the terrible weather conditions and reopens in spring time
7、 the next year. 【 精品教育资源文库 】 But for the other months of the year, Isle Royale offers green forests, and clear blue waters. Its excellent scenery and unusual location keep visitors returning year after year. 篇章导读： 本文是一篇说明文。作者通过这篇文章主要向我们描述了苏必利尔湖的皇家岛屿的发展史和它的地理位置和地方特色。 1 What is mainly talked about in
8、 the first paragraph? A The access to the island. B The islands location. C The islands natural environment. D The islands basic information. 答案： A 段落大意题。根据第一段前两句可知，第一段主要讨论如何进入岛屿。故选 A。 2 How long is the history of the National Park? A More than two centuries. B Over seventy years. C Less than forty
9、years. D Over one hundred years. 答案： B 细节理解题。根据第二段第三、四句可知，国家公园的历史到现在已超过七十年。故选 B。 3 The researchers fly over the island in winter because _. A there are more animals then B they can have a clear look at the animals there C they dont intend to disturb the animals D the island cant be reached with the
10、lake frozen 答案： B 推理判断题。根据第四段后三句可知，冬天，树上的叶子掉光了，此时，研究人员乘飞机在岛的上方盘旋，可以清晰地观察岛内的动物。故选 B。 B The ancient Mayan civilization collapsed due to a century long drought, a new research suggests. 【 精品教育资源文库 】 Minerals taken from Belizes famous underwater cave, known as the Blue Hole, as well as lagoons (环礁湖 ) n
11、earby, show that an extreme drought occurred between AD 800 and AD 1000, right when the Mayan civilization ended. After the rains returned, the Mayans moved northbut they disappeared again a few centuries later, and that disappearance occurred at the same time as another dry period, the sediments (沉
12、积物 ) reveal. Although the findings arent the first to tie a drought to the end of the Mayan culture, the new results strengthen the case that dry periods were indeed the cause. Thats because the data came from several spots in a region central to the Mayan heartland, said study co author Andre Droxl
13、er, an Earth scientist at Rice University. From AD 300 to AD 700, the Mayan civilization flourished in the Yucatan Peninsula. These ancient Mesoamericans built great pyramids, mastered astronomy and developed both a writing system and a calendar system, which is famous for predicting that the world
14、would end in 2012. But in the centuries after AD 700, the civilizations building activities slowed and the culture fell into war and unrest. The evidence for a drought has been growing in recent years. A 2012 study in the journal Science analyzed a 2,000 year old stalagmite (石笋 ) from a cave in sout
15、hern Belize and found that sharp decreases in rainfall coincided with periods of decline in the culture. But the data came from just one cave, which meant it was difficult to make predictions for the area as a whole, Droxler said. To look for signs of a drought, the team drilled the sediments in the
16、 Blue Hole of Lighthouse Lagoon. The lagoons are surrounded on all sides by thick walls of coral reefs. During storms or wetter periods, excess water runs off from rivers and streams, overtops the retaining walls, and is deposited in a thin layer at the top of the lagoon. From there, all the sedimen
17、ts from these streams settle to the bottom of the lagoon, piling on top of each other and leaving a record of the historical climate. The team found that during the period between AD 800 and AD 1000, 【 精品教育资源文库 】 when the Mayan civilization collapsed, there were just one or two tropical cyclones (气
18、旋 ) every two decades, as opposed to the usual five or six. After that, the Mayans moved north, building at sites such as Chichen Itza, in what is now Mexico. 篇章导读： 本文是一篇说明文。一项新的研究表明玛雅文明的消失是由当时干旱的气候造成的。 4 What is the main idea of Paragraph 4? A The achievements of the Mayan civilization. B The predi
19、ction the Mayan civilization made. C The effects the Mayan civilization had on humans. D The background where the Mayan civilization began. 答案： A 段落大意题。从文章第四段的主旨句即第一句可以得出，本段主要是讲玛雅文明在这一时期的成就，故答案为 A 项。 5 What did Andre Droxler think of the analysis of the 2,000 year old stalagmite? A Amazing. B Ridicu
20、lous. C Reasonable. D Unreliable. 答案： D 推理判断题。根据文章第六段最后一句可知， Andre Droxler 认为这种数据具有片面性，不可靠，故答案为 D 项。 6 What happened after an extreme drought between AD 800 and AD 1000? A The Mayans were suffering a heavy flood. B The Mayans suddenly disappeared from the Earth. C The Mayans were often attacked by t
21、ropical cyclones. D The Mayans moved to places that is now called Mexico. 答案： D 细节理解题。根据文章最后一段内容，尤其是最后一句可知，答案为 D 项。 .七选五 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 【 精品教育资源文库 】 For over one hundred and fifty years, Americans of all social classes have worn blue jeans. _1_ Whether they are worn for w
22、ork or for fashion today, Strauss invention continues to be popular not only among Americans but also among people around the world. Levi Strauss was born in Germany in 1829. _2_ He grew up in Kentucky before moving to New York in 1847. Before becoming an American citizen and moving to the West in 1
23、853, Strauss worked in his brothers dry goods business. This gave him a chance to produce his famous invention. After the gold rush of 1849, Strauss decided to move to the West to seek his fortune. Strauss did not want to be a person who searched an area for minerals. Instead, he knew he could make
24、a good living by selling supplies to the miners. At first, he planned to sell sewing supplies and clothes. _3_ When he heard miners complaining that their clothes were easily broken or they usually tore their pockets during mining, he decided to use a special fabric to make pants for the miners. These pants proved so popular that he quickly
