[外语类试卷]大学英语四级模拟试卷124及答案与解析.doc
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1、大学英语四级模拟试卷 124及答案与解析 一、 Part I Writing (30 minutes) 1 1. 目前,垃圾短信给人们的生活带来了许多的麻烦与困扰; 2. 这种现象产生的原因; 3. 如何解决这个问题。 My View on Spam Message 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the
2、 questions attached to the passage. For questions 1-7, mark: Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 2 North Pole Ex
3、plorations If Santa Claus really does reside at the North Pole, he must live a lonely life. The North Pole isnt what most of us would consider a hospitable place as the average winter temperature there is 40 degrees below zero Fahrenheit (华氏温度 ) (-40 Celsius). And while Santas reindeer are considere
4、d Arctic animals, not much life actually calls the North Pole its permanent home. For adventurers, the North Pole is comparable to outer space: an unknown frontier thats ripe for exploration-and exploitation. The region doesnt belong to any one country, so there are always disputes about who can lay
5、 claim to the untapped natural resources there. And although the prospect of melting ice around the North Pole isnt pleasant from a global warming standpoint, it could make those resources easier to reach. North pole location There are two North Poles. The one most people think of is the geographic
6、North Pole, which is located approximately 450 miles (724 kilometers) north of Greenland, at 90 degrees north latitude. The magnetic North Pole is based on the Earths magnetic field and is slowly drifting across the Canadian Arctic Because all lines of longitude converge(向中聚集 )at the North Pole, its
7、 not technically in any time zone (or, its m every time zone, depending on your perspective). As a result, we generally use Coordinated Universal Time (UTC) at the North Pole. Coordinated Universal Time is used mostly in astronomy and navigation: Its similar to Greenwich Mean Time (the time kept on
8、the Greenwich meridian, longitude zero) but scientifically more precise. The sun sets at the North Pole in early October. The next sunrise is in early March. In between, theres a continuous twilight as the Earth moves on its axis. As a result of all this, the North Pole is obviously cold. In the win
9、ter, when the North Pole is farthest from the sun on the Earths axis, the average temperature is -40 degrees Fahrenheit (-40 Celsius) during December and January, but can dip into the negative 50s. The seawater beneath the ice of the North Pole is a relatively mild - 28 degrees F (-33 C).In the summ
10、er, the Pole averages 32 degrees F (0 C). But the North Pole isnt as cold as it used to be. History of north pole expeditions People have always had the desire to explore new places. Explorers throughout history have been motivated-at least in part-by the promise of fame and fortune, and North Pole
11、exploration is no exception. The first North Pole explorers were in search of the Northwest Passage, a route through the Arctic that would create easier trade and great wealth for the country that discovered it. When these explorers came back with tales of diamonds and coal near the Pole, the world
12、started seeing the Arctic as a frozen treasure chest. In fact, a U. S. Geological Survey estimates that nearly 25 percent of the worlds undiscovered oil and gas are buried in the Arctic, which is a big reason for the disputes among the countries that are eager to claim the region for themselves. The
13、re were occasional North Pole expeditions in the 18th century (in 1755, the British Parliament offered a reward to the first ship to come within a degree of the Pole), but it wasnt until the early 1900s that things really got going. In 1908, American Frederick Albert Cook was the first person to cla
14、im to have reached the North Pole. But his countryman Robert Edwin Peary, with support from Cooks traveling companions, disputed the claim, and Cook was widely discredited. Peary (with a team of 24 men, 19 sledges and 133 sled dogs) ended up making the first undisputed visit to the North Pole on Apr
15、il 6, 1909. But theres still some controversy attached to the claim, mostly because of Pearys improbable 37-day time frame. Most expeditions of the era took months at least-to come close to the goal. However. in April 2005. explorer Tom Avery recreated Pearys sled expedition with the same materials
16、and supplies; he beat Pearys time by five hours. Some still doubt that Peary actually made it to the exact geographic North Pole. but he usually gets the credit for being first. Trekking (艰苦跋涉 ) to the north pole So, have we inspired you to brave the elements and make your own trek to the North Pole
17、? Youre definitely going to want a heavy-duty coat and the best gear, but the most important part of your preparation may be making a warm fat layer on your own body. So start eating. Whatever your method of travel-skiing, hiking, read biking, dog sledding-you can expect to consume a couple thousand
18、 calories a day more than that during training. The fat layer you build up will also help maintain your internal temperature-your body has to work extra hard to do this in subzero temperatures. While youre making a few extra trips to the buffet, you can start planning your trek. Well begin with the
19、gear. Youll need several layers of clothing for the same reason you need the extra fat. The problem with such a demanding trek is that if your layers are too heavy, you could overheat, and sweat would immediately freeze to your skin. So, thinner, loose-fitting base layers made of sweat- wicking mate
20、rial are your best bet. For your feet. youll probably want to invest in some snowshoes, because the snow and ice can get pretty deep. And so you dont get lost. youll definitely want to bring a GPS system. Planning a north pole expedition You also need to know when to go. The two-month period between
21、 March and May is your best bet. If you make the trip before March, dont expect a lot of sightseeing, because it will be dark the- entire time-not to mention a lot colder. But if you go much later than May, youll encounter melting conditions. There isnt any actual land underneath the North Pole. so
22、you probably shouldnt attempt that unless you feel like swimming in the Arctic Ocean. Now that you have the time. youll need a place to begin your journey. If youre coming from the Canadian side. Resolute Bay is where youll start. From there, youll take a four-hoar ride in a small plane, after which
23、 youll refuel and fly the rest of the way to your jumping-off place, Ward Hunt Island. Time frames for North Pole raps vary, depending on your mode of transportation. If you take a dog-sledding or skiing trip to the North Pole with Polar Adventures. for example, expect a weeklong training camp and a
24、 two-to-three-week trek. The cost for a dogsled trek can top $ 50,000. 2 The North Pole is such a place with extremely unpleasant weather conditions for life that _. ( A) it delivers an undisturbed home for many animals ( B) most creatures cannot adapt to its environment ( C) only Santa Claus likes
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