“I said:‘Wow, that’s a cave. ’” Dr. Clarke said excitedly. “People have been looking for these for a long time;now we have found them.”

　　He agreed such caves would be perfect places to hunt for life escaping from the bitterly cold,radiation-soaked(充满辐射的),dry surface.

　　“Tiny drops of water could collect inside,” he said. “If there are gases coming out, they could provide energy for a whole range of bacteria. A cave is also a protection from radiation; the surface of Mars is exposed to high levels of space radiation.

　　The caves probably formed when tube-shaped lava flows(管状岩浆流) spread across the planet long ago. The outside of the tubes cooled,forming solid walls, while something hotter inside allowed the remaining lava to flow out, forming caves.”

　　1. What does the passage mainly talk about?

　　A. How the caves were formed on Mars.

　　B. How scientists found these caves on Mars.

　　C. Caves on Mars may be full of hot air or a sign of life.

　　D. Scientists have completely recognized the surface of Mars.

　　2. We can learn from the passage that　.　

　　A. water has already been found on Mars

　　B. the scientists found all the caves at night

　　C. it is certain that there is life in these caves

　　D. the surface of Mars is bitterly cold,radiation-soaked and dry

【2017届湖北省黄冈市高考英语阅读理解二轮精练：18（含解析）】相关文章：

★ 2017届高考英语二轮复习课时训练：3（含解析）

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（21）附答案

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（10）附答案

★ 2014高考英语（新人教版）一轮基础训练（5）A、B卷（附答案或解析）

★ 2017届高考英语二轮复习大题冲关秘籍短文改错：创新押题（含解析）

★ 常熟市2014高考英阅读理解语一轮（暑假）训练题（11）及答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (9)

★ 2013高考英语冲刺-专项篇 3阅读理解

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（20）含答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (44)