课时检测训练34 选择性必修第四册 UNIT 3 SEA EXPLORATION-【勤径学升】2024高考英语一轮总复习课时检测训练

课时枪测训练34 选择性必修第四册 UNIT 3 SEA EXPLORATION ,对应答案P480 I.阅读理解 The scientists have been wondering about the A point beyond which life cannot exist,but the deeper (2023·沈阳一模)Earth is far more alive they dig,the more life they find.There is a than we previously thought,according to "deep temperature maximum-currently 122C-but they life"studies that reveal a rich ecosystem beneath believe this record will be broken if they keep our feet that is almost twice the size of all the exploring and developing more advanced world's oceans.Despite extreme heat,no light instruments. and intense pressure,scientists estimate it has Questions remain,including how the between 15 billion and 23 billion tonnes of microbes interact with chemical processes,and microorganisms."It's like finding a whole new what this might reveal about how life and Earth reservoir(储藏)of life on Earth,”said Karen coevolved. Lloyd,an associate professor at the University 1.What do the scientists find about the of Tennessee. underground organisms? Results suggest 70 percent of Earth's A.They can't reproduce and divide. bacteria and archaea exist in the subsurface. B.They're the oldest living things. One organism found 2.5 kilometers below the C.Some of them consume no energy. D.Some of them almost always keep still. surface has been buried for millions of years and 2.What can we learn about the research from may not rely at all on energy from the sun. Paragraph 3? Also,the methanogen(产甲烷菌)has found a A.It lasts for around one year. way to create methane in this environment, B.It involves efforts from multiple fields. which it may not use to reproduce or divide,but C.It promotes technical development. use to replace or repair broken parts.Lengths of D.It is conducted in 52 countries. their lives were completely different.Some 3.Why does the scientists drill deep? microorganisms have been alive for thousands of A.To break their previous record. years,barely moving except with shifts in B.To find the depth limit of