阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Jetterbug smart 3
The Jetterbug smart 3 is our simplest smartphone ever very popular with the elderly, with a list-based menu, large screen and new Health Safety Packages available.
EASY
Everything from calling and video chatting with family, to sharing photos and getting directions, is organized in a single list on one screen with large, clear letters.
SMART
In emergencies big or small, tap the Lively Urgent Response button to be connected to a professional agent who will get you the help you need, 24/7.
AFFORDABLE
50% off regular price of $150 is only valid for this quarter. For using, Lively has value plans as low as $35/month or Unlimited Talk Text plans only $45/month. Choose the plan best for you, and then add a required data plan as low as $25/month.
Monthly fees do not include government taxes or assessment surcharges. A data plan is required for the Jetterbug smart 3. Urgent Response or 911 calls can be made only when cellular service is available. Urgent Response service tracks an approximate location of the device when the device is turned on and connected to the network. Urgent Response is only available with the purchase of a Health Safety Package. Consistently rated the most reliable network and best overall network performance in the country by IHS Markit’s RootScore Reports. LIVELY and JITTERBUG are trademarks of Best Buy and its affiliated companies. All rights reserved.
1. Who are the target customers of Jetterbug smart 3?
A. Children. B. Teenagers. C. Seniors. D. Agents.
2. How much do you need to pay if you buy a Jetterbug smart 3 in three months?
A. $60. B. $70. C. $75. D. $80.
3. Where can you most probably find the text?
A. A magazine. B. A textbook. C. A biography. D. A science report.
【答案】1. C 2. C 3. A
【导语】本文是一篇应用文。文章主要介绍了一款老年智能手机Jetterbug smart 3的相关信息及本月的活动价格等内容。
【1题详解】
细节理解题。根据第一段“The Jetterbug smart 3 is our simplest smartphone ever very popular with the elderly, with a list-based menu, large screen and new Health & Safety Packages available.(Jetterbug智能3是我们最简单的智能手机，非常受老年人的欢迎，有一个基于列表的菜单，大屏幕和新的健康与安全包。)”可知，Jetterbug智能3深受老年人喜欢，有大屏幕和新的健康与安全包，由此可知，该手机销售的目标群体是老年人。故选C项。
【2题详解】
细节理解题。根据AFFORDABLE部分“50% off regular price of $150 is only valid for this quarter.(150美元的原价打五折只在这个季度有效。)”可知，本季度该手机打五折销售，所以在这三个月内购买需要支付的费用是150*0.5=75。故选C项。
【3题详解】
推理判断题。根据首段“The Jetterbug smart 3 is our simplest smartphone ever very popular with the elderly, with a list-based menu, large screen and new Health Safety Packages available.(Jetterbug smart 3是我们最简单的智能手机，非常受老年人欢迎，有列表菜单，大屏幕和新的健康安全包。)”可知，文章主要介绍了一款老年智能手机Jetterbug smart 3的相关信息，结合下文中介绍的本月的活动价格等内容可知，这是一则手机广告，最可能出现在杂志上。故选A项。
