While Earth is the only planet known to support life, surely the adaptive ability of humans would allow us to live on other planets. It is true that the lifestyle would be different, but human life and cultures have adapted in the past and surely could in the future.

　　16. Why does the author mention the questions in Paragraph 1?

　　A. To express his doubts.

　　B. To compare different ideas.

　　C. To introduce points for discussion.

　　D. To describe the conditions on Earth.

　　17. What is the reason for exploring space based on Paragraph 2?

　　A. Humans are nature-born to do so.

　　B. Humans have the tendency to fight.

　　C. Humans may find new sources of food.

　　D. Humans don’t like to stay in the same place.

　　18. The underlined word “spin-offs” in Paragraph 4 probably refers to______.

　　A. survival chances

　　B. unexpected benefits

　　C. potential resources

　　D. physical possessions

　　19. What makes it possible for humans to live on other planets?

　　A. The adaptive ability of humans.

　　B. Resources on the earth..

　　C. Our genetic makeup.

　　D. By-products in space exploration.

　　20. Which of the statements can best sum up the passage?

【2016届广东番禺高考英语二轮复习阅读理解选练（5）】相关文章：

★ 四川省2016届高考英语一轮复习课时作业（32） Module 2 Fantasy Literature 外研版选修6

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习短文改错专题训练：训练1 短文改错（Ⅰ）（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：4（含解析）

★ 2013高考英语冲刺-专项篇 3阅读理解

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十七)选修6Unit 2《Poems》

★ 山东省济宁市2016年高考英语复习：高一英语语法归纳总结

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（39）附答案

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（37）附答案

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（36）附答案

★ 2014届高考英语一轮复习课时作业(三十五)选修6Module 5《Cloning》（外研版）