To live through cold weather,plants have develop three strategies,Se plants,ch as oak trees, avoid freezing damage by dropping their leaves, before the winter chill sets in-effectively shutting off the flow of water between roots and leaves—and growing new leaves and water transport cells when the warm spring returns. Other plants, pine trees for example, protect them-selves by narrowing their water transport cells, which makes it easier for cells to travel among air bubbles.The third stratef;yi8 also the most extreme.Some plant; die on the ground in winter and start growing as new plants from seeds when conditions get warmer.
Howeer, these smart strategies were developed nmry8lowly-over millions of years of evolution.This eads scientists to worry that plants may not be able to deal with human-caused climate change, which has only started occurring over the past few decades.Scientists are hoping o find possible ways to save plants from the threat of climate change.
1.What is the text mainly about?
A.Different ways for peopkeep warm.
B.How plant live through the freezing winter.
C.How plants develop the 8tratef;ies to keep warm*
D.The ways to save plantsrom the cold,
2. the water transport from roots to leaves 18 blocked,
.
A.the plant will suffer from f'rostbite
【2016届高考英语二轮复习阅读理解一百四十集选练:(128)】相关文章:
★ 2017高考四川省广安市英语阅读理解一轮系列训练:22(含解析)
★ 【三维设计】2017届高考英语(江苏专用)二轮复习阅读理解解题技法示范课件:3
★ 2017届高考英语二轮复习大题冲关秘籍阅读理解七选五:解题策略(含解析)
★ 【人教版】2014届高考英语一轮复习指导考点针对练:选修7 unit1《Living well》
★ 【北京专用】2014届高考英语一轮复习方案课时作业:必修3 Unit 5 Canada
★ 【课堂新坐标】2017届高考英语(通用版)二轮复习书面表达专题训练:技法1 认真审题拟出全部要点(含解析)
★ 【课堂新坐标】2017届高考英语(通用版)二轮复习书面表达专题训练:技法7 画龙点睛的结束语(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (71)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21