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1、2020-2021学年新教材新高二下学期达标检测卷选择性必修第四册 Unit3 Sea Exploration英 语 （B）第一部分 阅读理解（共两节）第一节 阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项。AA ship that sank off the coast of California decades ago was recently reconstructed in detail. The 3D digital model even included hundreds of sponges (海绵动物) that have gathered on the sh
2、ips surface since it sank.Named American Heritage, the supply ship sank in Santa Monica Bay on May 4, 1995, and for decades its exact location was unknown. Researchers with the Monterey Bay Aquarium Research Institute (MBARI) spotted a strange shape in that area in 2008. But it wasnt until May 2018
3、that MBARI scientists identified its exact location and mapped the site in detail, showing what appeared to be a shipwreck (失事船只).Even then, the identity of the shipwreck was uncertain. Yet another MBARI team revisited the location to do further exploration. They sent remotely operated vehicles (ROV
4、s) and took photos of the damaged ship. Though it was covered with deep-sea sponges and other animals, the scientists were able to spot letters spelling out its name, confirming that the shipwreck was American Heritage.As one of the MBARI scientists who found American Heritage, chief ROV pilot Knute
5、 Brekke had worked on the ship before. And he was on duty with the diving company American Pacific Marine the owner of American Heritage the night the ship began taking in water and eventually sank.MBARI spokesperson Kim Fulton -Bennett said to Live Science about the discovery, “The model is not com
6、plete, as floating ropes and poor visibility kept the pilots from getting too close to the wreck. But the 3D reconstruction is detailed enough to show that American Heritage is now home to thousands of sponges. Shipwrecks often turn into the shelter for diverse communities of ocean life.”1What is th
7、e main idea of the text?AA valuable treasure was discovered.BSpecial sponges were found under sea.C3D model reconstructed a sunken ship.DA sunken ship was gotten out of water.2Which is the right order of the following events? Something strange was found in the area. ROVs were sent under sea to take
8、photos. A ship sank in Santa Monica Bay. The identity of the ship was confirmed. Scientists tried to locate the shipwreck.ABCD3What can we learn about Knute Brekke?AHe was familiar with the sunken ship.BHe was in charge of a diving company.CHe was responsible for the rescue work.DHe was the first on
9、e to witness the accident.4Whats Kim Fulton-Bennetts attitude towards the 3D model?ACritical.BDoubtful.CAmazed.DObjective.BA recent report in the journal Nature Climate Change said that with climate changing increasingly, polar bears may be wiped out by the end of this century. However, unless more
10、is done, their extinction is likely to come earlier because their homes may disappear. And according to Science Daily, the Arctic, the only natural habitat for polar bears, is in danger. Sea ice in the area could disappear completely by 2035. This is undoubtedly bad news for this animal because they
11、 use the floating sea ice to hunt.Scientists made this prediction by using the UK Met Offices Hadley Centre climate model. According to Science Daily, this model allowed researchers to compare Arctic sea ice conditions during the last interglacial periodthe warm period that occurred around 127,000 y
12、ears agowith present conditions. Researchers found that during the last interglacial period many shallow pools of water formed on the surface of the Arctic sea ice during spring and summer. These pools, known as melt ponds, played a key role in the melting of the sea ice. This is because if there ar
13、e larger areas of melt ponds, more heat is absorbed by sea ice, which causes it to melt further.In the last interglacial period, the Arctic sea ice actually disappeared. This is a frightening thought for scientists who see the pattern repeating. “If whats happening to the Arctic right now is anythin
14、g like the last interglacial period, theres a chance that it could be almost free of sea ice in only 15 years,” a researcher told MSN. In addition to the potential extinction of some animals, the melting of sea ice could cause serious natural disasters. It could increase floods along coastal areas.T
15、o save the most northern region of the earth, what we should be doing is “focusing all our minds on achieving a low-carbon world”, Louise Sime, a researcher at the British Antarctic Survey, said in a statement.5What can we know about polar bears from Paragraph 1?AThey depend on sea ice for existence
16、.BThey are the largest bears in the world.CThey are moving to other places for survival.DThey will probably disappear completely by 2035.6What does the underlined word “it” refer to?AThe melt pond.BThe shallow pool.CThe sea ice.DThe mountain ice.7What may be one of the results of sea ice melting according to Paragraph 3?
