【加练半小时】2017届高考英语一轮复习练习：第17练自然与环保类（三）（含解析）_高考复习指南

　　，these leafless giants can store water for use during the desert’s long dry season by

　　water through their long roots.

　　Naturally，the great saguaro cacti are a(n)

　　part of the desert life.Actually the giants may be

　　to many animals，including woodpeckers，owls，doves，bats and insects.In addition，after a saguaro

　　the age of 10 or so，coldresistant flowers

　　at the top of the plants once a year.These flowers

　　birds，bats and bees，which come for the honey and for the tasty flowers with their black seeds.

　　the splendid saguaros are plentiful in the Southwest，they are unfortunately

　　.These giant cacti have great value in landscape gardening，and the thieves can earn thousands of dollars by uprooting and

　　them to nurseries(苗圃)．To protect these southwestern

　　，agents for the Arizona Department of Agriculture go around and

　　the desert.It’s a most important job though a hard one.But without the saguaro cacti，many desert animals would suffer a lack of

【【加练半小时】2017届高考英语一轮复习练习：第17练自然与环保类（三）（含解析）】相关文章：

1 234 5 6 7 8 9 显示全文

高考复习指南 最新: 2017届高考英语一轮复习训练：完形填空4
2017-04-24; 浙江省2017高考英语二轮复习单项选择（40）
2017-04-24; 浙江省2017高考英语二轮复习单项选择（18）
2017-04-24; (江苏专用)2017届高考英语二轮复习天天循环背：6
2017-04-24; 2017届高考英语一轮复习课件：Unit10 Money(北师大版)
2017-04-21; 2017届高考英语一轮复习课件：Unit11 The Media(北师大版)
2017-04-21

网友关注: 2016年高考英语原创押题预测卷：01（四川卷）（原卷版）; 2016年高考英语原创押题预测卷：02（新课标Ⅱ卷）（考试版）; 2017届高考英语一轮复习教师用书：必修3（外研版）; 2016年高考英语原创押题预测卷：01（四川卷）（答案及评分标准）; 国内英语资讯: Trade through quake-hit Gyirong port in Tibet surges in 2016; 2017届高考英语一轮复习跟踪检测：选修8 Module 3 Foreign Food（外研版）; 2016年高考英语原创押题预测卷：02（江苏卷）（原卷版）; 2016年高考英语原创押题预测卷：01（浙江卷）（考试版）; 2017届高考英语一轮复习跟踪检测：选修8 Module 4 Which English（外研版）; 2017届高考英语一轮复习跟踪检测：选修8 Module 5 The Conquest of the Universe（外研版）