23.According to the author, the water price should ________.

　　A) correspond to its real value

　　B) be reduced to the minimum

　　C) stimulate domestic demand

　　D) take into account the occurrences of droughts

　　24.The author says that in some hot and dry areas it is advisable to ________.

　　A) build big lakes to store water

　　B) construct big pumping stations

　　C) channel water from nearby rivers to cropland

　　D) build small and cheap irrigation systems

　　25.In order to raise the efficiency of the water supply, measures should be taken to ________.

　　A) centralize the management of water resources

　　B) increase the sense of responsibility of agencies at all levels

　　C) guarantee full protection of the environment

　　D) encourage local and regional control of water resources

　　Passage Four

　　We can see how the product life cycle works by looking at the introduction of instant coffee. When it was introduced, most people did not like it as well as regularcoffee, and it took several years to gain general acceptance (introduction stage). At one point, though, instant coffee grew rapidly in popularity, and many brands were introduced (stage of rapid growth). After a while, people became attached to one brand and sales leveled off (stage of maturity). Sales went into a slight decline (衰退)when freeze-dried coffees were introduced (stage of decline).

【2012年12月英语四级阅读备考：全真试题(5)】相关文章：

★ 2013年12月六级考试备考阅读训练题 3

★ 2012年12月英语四级阅读备考：全真试题(5)

★ 2011年6月英语六级考试冲刺的练习阅读篇49

★ 大学英语四级考试阅读理解练习19篇之吸烟

★ 英语四级仔细阅读第二篇原文

★ 2013年12月六级考试阅读训练（2）

★ 2009年12月英语六级考试快速阅读的模拟题2

★ 2010年12月英语六级快速阅读题的基本解题方针

★ 2012年大学英语六级模拟试题：阅读理解加详细解析

★ 英语四级阅读理解长难句练习（六十二）