B. It can help guide future efforts to protect endangered plant-life.

　　C. It can provide directions for where to look for other ancient plants.

　　D. It proves that all plant life can survive for thousands of years when frozen.

　　【答案】B

　　【解析】细节理解题。根据That’s because many researchers are trying to preserve the seeds of modern plants by freezing them and then storing them in giant lockers at various spots around the globe. If a plant ever goes extinct, scientists could bring it back by taking its seeds from the Svalbard or other storage lockers.有了这个重要的发现有助于帮助我们未来去保护频临灭绝的植物，故选B。

　　34. The underlined word “they” in the final paragraph refers to _______.

　　A. plants

　　B. seeds

　　C. scientists

　　D. storage lockers

　　【答案】B

　　【解析】词义猜测题。根据If a plant ever goes extinct, scientists could bring it back by taking its seeds from the Svalbard or other storage lockers.able to live for应该指的是种子能够活多长，故选B。

　　35. The purpose of the passage is to _______.

　　A. discuss a plant conservation effort

　　B. introduce some ancient plants

　　C. outline some causes of global warming

【2017届四川省汉源县高考英语一轮复习阅读理解训练：1（含答案）】相关文章：

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：体验真题（含解析）

★ 2017届高考英语二轮复习课时训练：11（含解析）

★ 【三维设计】2017届高考英语（江苏专用）二轮复习完形填空解题技法示范课件：2

★ 2017届高考英语二轮复习课时训练：6（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：1（含解析）

★ 2017年高考英语二轮复习精品资料：专题16 书面表达（押题专练）（原卷版）

★ 【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：考法2 句法错误（含解析）

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练三

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练二

★ 2017高考四川省广安市英语阅读理解一轮系列训练：16（含解析）