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
Wifi UltraBoost
Have you ever noticed how much slower your Internet gets during the peak hours of the day? Luckily, there's finally a solution! It takes only one simple device, Wifi UltraBoost, to put an end to this and many other annoying Internet problems!
How does it work?
Wifi UltraBoost spots your existing signal, improving its characteristics and then sends already expanded Wi-Fi through all the barriers it meets on its way—whether it's concrete walls or multiple floors. It also solves our main problem-Internet providers slowing down the speed — by preventing data usage reports from reaching Internet Service Providers (ISPs) in the first place.
What are the main features of it?
• Works with any Internet router (路由器).
• Uses the frequency of 2. 4 GHz.
• Transfers rates of up to 300Mbps.
• Easy to set up.
What problems does it solve?
• Slow Internet connection.
• Weak Wi-Fi signals beyond 30 meters.
• Bad quality of video calls.
• Wi-Fi "dead spots" around your house.
• Thick walls that weaken the signal.
How to use it?
• Step 1: Get Wifi UltraBoost from the official website.
• Step 2: Plug Wifi UltraBoost into a socket (插座)and start the equipment.
• Step 3: Be amazed at your Wi-Fi speed!
Why get Wifi UltraBoost today?
Wifi UltraBoost brings noticeable results immediately after you plug it in. For a limited time, Wifi UltraBoost is available to you 60% cheaper (instead of $99. 99)! Order now and enjoy your improved Internet connection!
1. What is Wifi UltraBoost?
A. An application to transform networks.
B. An organization to limit Internet speed.
C. A piece of equipment to improve Wi-Fi.
D. A formal provider to offer Internet service.
2. What can Wifi UltraBoost do?
A. Guarantee high-quality video calls.
B. Help Internet routers function normally
C. Set up connection among Wi-Fi signals
D. Save the electricity used to surf the Internet.
3. What might be the current price of Wifi UltraBoost?
A. $ 99.99. B. $59.99. C. $ 69,99. D. $ 39.99.
【答案】1. C 2. A 3. D
【解析】
【分析】本文是一篇应用文。文章是一则广告主要推荐了一款Wi-Fi增强器，介绍了它的工作原理、特点和功能等信息。
【1题详解】
细节理解题。根据第一段中的最后一句“It takes only one simple device, WifiBooster, to put an end to this and many other annoying Internet problems (只需要一个简单的设备，WifiBooster，来结束这个和许多其他恼人的互联网问题)”可知，WifiBooster是一款提升网速并可以解决许多其他网络问题的设备。故选C项。
【2题详解】
细节理解题。根据What problems does it solve?(它解决了什么问题)部分中的“Bad quality of video calls.(视频通话质量差)”可知，WifiBooster可以解决视频通话质量差的问题，即保证你拥有高质量的视频通话，故选A项。
【3题详解】
细节理解题。根据Why get WifiBooster today?(为什么今天要使用WifiBooster)部分中的“WifiBooster is available to you 60% cheaper (instead of 99.99) ! (WifiBooster可以便宜60%，原价99.99美元。）”可计算出，这款Wi-Fi增强器当前的价格为$99.99*（1-60%）=$39.99，故选D项。
