阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Sometimes the best gift is the one you can use at home. These items will likely be appreciated all year for time spent relaxing, entertaining or getting things done.
Jawbone Jambox Wireless Speaker
$199 retail （ far cheaper online） . The bigger version goes for $299.
The cool-looking rechargeable wireless speaker is getting good reviews for its big, balanced sound and compact design. It lets you stream music from smartphones, laptops and other Bluetooth devices（设备）.
Chalkboard Wall Planter
$129. 95 retail at Williams-Sonoma
No need to make room indoors for more flower pots. Grow a herb garden indoors in a wall-fixed vertical planter, and you'll get the benefits of fragrance （芳香）. Fill the 10 planting cells with the herbs of your choice, and hang the planter in a sunny spot. Use the chalkboard borders to label each plant. Measures 16 by 5 by 24 inches and weighs 11 pounds.
Pocket Projector
$299 retail at Brookstone
Let everyone get a good look at the pictures on your smartphone, computer, video player, or digital camera. This rechargeable pocket projector can turn a flat surface into a 60-inch big screen with 1080p HD picture quality. Invite friends for a movie night or a presentation. An HDMI cable is included to connect it to your device.
Adjustable Tablet Stand
$159 at Sharper Image
This is the gift for the person who enjoys mobile. Use it to keep your hands free while doing homework, crafts or writing out bills. It can be rotated through 360 degrees. The stand slides easily under your furniture and can be used on either side of a bed or a sofa. It also folds for storage.
1 How much will you pay if you buy a bigger version of wireless speaker?
A. $129. B. $159.
C. $199. D. $299.
2. What might a movie lover prefer to choose?
A. A pocket projector.
B. An adjustable tablet stand.
C. A chalkboard wall planter.
D. A Jawbone Jambox wireless speaker.
3. What is the purpose of the text?
A. To warn. B. To advertise.
C. To bargain. D. To educate.
【答案】1. D 2. A 3. B
【解析】
【分析】本文是一篇说明文。主要介绍了几款可以在家里使用的产品，让你更轻松、更快乐，或者帮你做完事情。
【1题详解】
细节理解题。根据 Jawbone Jambox Wireless Speaker部分可知，这种音箱的零售价是199美元(网上要便宜得多)，更大版本的售价是299美元。由此可知，如果你买个大一点的无线扬声器，需要付299美元，故选D。
【2题详解】
细节理解题。根据 Pocket Projector部分可知，这种微型投影仪图像清晰并能够放大屏幕，适合投放电影，由此可知，电影爱好者会选择一个袖珍放映机，故选A。
【3题详解】
推理判断题。本文介绍了无线音箱、壁挂式花盆、微型投影仪和可调式移动设备支架四种商品的性价、性能及优点等，再结合第一段内容可知，本文的目的就是向读者推销产品，故选B。
