C．To ensure safety of goods.

　　D．To improve its efficiency to boost growth.

　　D　[细节理解题。根据第七段的句子"The service will be called Prime Air and comes as Amazon is looking to improve its efficiency to boost(提高)growth."可知亚马逊这样做的目的是提高运送效率来促进业务增长，故D为正确选项。]

　　3．When will civilian air space be opened up to all kinds of drones in Europe?

　　A．By 2015. B．By 2016.

　　C．By 2013. D．By 2014.

　　B　[细节理解题。根据倒数第四段的"Civilian air space is expected to be opened up to all kinds of drones in the US by 2015 and in Europe by 2016."可知B为正确选项。]

　　4．What's the best title of the passage?

　　A．The world's largest online retailer

　　B．Unmanned drones

　　C．Amazon testing unmanned drones for deliveries

　　D．How to deliver goods to customers

　　C　[标题归纳题。本文主要介绍了亚马逊--世界上最大的在线零售商正在测试使用无人机向顾客运送货物。]

　　Ⅱ.阅读七选五

　　Everybody gets angry，but out­of­control anger isn't good for you or those around you. So here are five simple strategies to help you learn how to manage your anger：

　　·Relax.

　　Breathe deeply，from your stomach. 1 Repeat it to yourself and visualize a relaxing time and experience.

　　·Change the way you think.

When you're angry，your thinking can get exaggerated (夸大的)． 2 For