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1、1专题限时检测专题限时检测( (十九十九) ) 阅读理解主旨大意类之标题归纳题阅读理解主旨大意类之标题归纳题(加的为标题归纳题，本卷限时 23 分钟)A(2017江苏省重点中学高三联考)In the western Pacific Ocean lies the deepest place on the planet the Mariana Trench, which runs as deep as about 7 miles below the oceans surface. Thats greater than the height of Mount Everest measuring ab
2、out 5 and a half miles above sea level.The Mariana Trench is home to a variety of sea life. Coral reefs and underwater volcanoes are all found there. But because few humans have been able to go far into the trench, scientists know little about it.Now they are working to change that. Recently, the Ok
3、eanos Explorer has been on an exploration there. Remotely operated vehicles sent out from it are taking videos of life in its deepest, darkest areas. Scientists around the world, along with the general public, can watch the videos in real time. These videos are showing the most mysterious parts of t
4、he ocean. Much of the area that the Okeanos Explorer is exploring has been protected since 2009 as part of the Marianas Trench Marine National Monument. Covering more than 95,000 square miles, it is one of the worlds largest marine protected areas.Its very dark, so the animals must use many other se
5、nses other than sight to understand their surroundings, find food and escape from enemies. The water is also very cold slightly above freezing and its pressure is extremely high. That means only certain animals can live there, like shrimp, crabs, and starfish.So far, the expeditions cameras have fil
6、med a variety of rarely seen deepsea creatures, including ghost sharks, huge lobsters, and sea pigs. Perhaps the most amazing sight is beautiful red jellyfish that scientists have never seen before.Scientists hope this expedition will help them unlock the mysteries of the Mariana Trench. Theyll lear
7、n about the deepsea animals and plants found there. Theyll also study its unique features, including underwater mountains, mud volcanoes, and hot springs produced by the volcanoes.They say that this knowledge will also help scientists better understand how the deepest part of the ocean affects the r
8、est of the world. “The ocean 2plays a role in the air we breathe, the food we eat, and the transportation of the goods we buy not to mention the weather and climate change， ” a scientist said. “The deep sea may also hold cures for some diseases. How will we know what is out there if we arent looking
9、 into it？”语篇解读：本文是一篇新闻报道。最近，科学家们对世界上最深的地方马里亚纳海沟进行了一次探测。通过探测，他们对世界上最深的地方的生态有了初步的了解。1What do we know about the Mariana Trench from the text?ASea life can hardly be found there.BIt has never been explored by humans.CIts the worlds largest marine protected area.DIts lively even as the deepest place in t
10、he world.解析：选 D 细节理解题。根据第一段的内容和第二段的“The Mariana Trench is home to a variety of sea life. Coral reefs and underwater volcanoes are all found there.”可知，尽管马里亚纳海沟是世界上最深的地方，但是海沟里依旧生机勃勃。故答案选 D 项。2What does the author want to say in Paragraph 4?ALiving conditions are tough there.BThe surroundings make anim
11、als much stronger.CAnimals there are slow in reacting to potential threats.DAnimals sight is severely damaged by high water pressure.解析：选 A 推理判断题。根据第四段的内容，尤其是“Its very dark，so . The water is also very cold slightly above freezing and its pressure is extremely high” “only certain animals can live the
12、re”等信息可知，马里亚纳海沟的生存条件是很恶劣的。故答案选 A 项。3What is implied in the scientists words in the last paragraph?AHe feels proud of what they have done for humans.BIts worthwhile to take effort to explore the Mariana Trench.CScientists should spend more time studying the oceanic climate.DTherere many challenges fo
13、r the scientists to explore the ocean.解析：选 B 推理判断题。根据最后一段科学家所说的话可知，海洋同人类的生活息息相关，且深海可能会为某些疾病提供治疗方法。故可推知，他认为花费精力探索马里亚纳海沟是非常值得的，故答案选 B 项。4.What is the best title for this text?AThe Most Mysterious Ocean3BA Special Experiment on the OceanCSearching for Precious AnimalsDExploring the Deep Sea解析：选 D 标题归纳题
14、。纵观全文可知，本文主要讲的是最近科学家们对世界上最深的地方马里亚纳海沟进行了一次探测。通过探测，他们对世界上最深的地方的生态有了初步的了解。故 D 项做本文标题最佳。B(2017江苏省高考名校联考)Mothers who live in areas that are lightly polluted by car gases give birth to babies with lowerthanaverage birth weight, a new Australian study has revealed. In particular, scientists found that wome
15、n who lived in Perth suburbs with light traffic emissions had babies weighing around 60 grams less on average than the expected average weight of 3.5 kilograms.The conclusion was based on the analysis of the records of 1,800 pregnant women and their babies in three city areas. Perth suburbs are an a
16、rea with low industrial activity and with a mix of polluted and quiet roads. Researchers said that they took the babys weight at birth and then worked out their expected size under optimal conditions. Then compare it with their actual weight. A computer model was calculating the concentration of traffic emissions around the homes of mothers up to the time they gave birth.The results were based on what babies weights were expected to
