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1 In a move that could revolutionize the way we buy groceries , Amazon opens its first supermarket without checkouts— human or self-service—to shoppers on Monday. Amazon Go, in Seattle, has been tested by staff for the past year . It uses hundreds of ceiling-mounted cameras and electronic sensors to identify each customer and track what items they select . Purchases are billed to customers’ credit cards when they leave the store .
2 On entering the store, shoppers walk through gates, swiping their smart phones loaded with the Amazon Go app . Then they are free to put anything into their own shopping bags . With the help of sensors on the shelves , items are added to customers’ Amazon Go account as they pick them up — and delete any they put back . And an electronic receipt is issues as they exit .
3 The store opened to employees of the online retail giant in December 2016 and had been expected to allow the public in more quickly .But there were some teething problems with correctly identifying shoppers of similar body types — and children moving items to the wrong places on shelves ,according to an Amazon insider . Gianna Puerini said the store had operated well during the test phase .
4 Hundreds of infra-red ceiling cameras have been trained over the last year to differentiate between customers as they move around the store , and between items for sale, even those with similar appearances . There are weight sensors on the shelves to help indicate if an item has been taken or put back .
And some items carry a visual dot code , like a bar code , to help cameras identify them . Amazon isn ‘t offering any information on how accurate the system is . One thing we do know: they ‘re on to the less-than-honest . A New York Times journalist had a go at shoplifting some cans of soft drink , but the system spotted it and put them on his bill .
5 Amazon has not said if it will be opening more Go stores, which are separate from the Whole Foods chain that it bought last year for $ 13.7bn （￡10.7bn). As yet the company has no plans to introduce the technology to the hundreds of Whole Food stores. However, retailers know that the faster customers can make their purchases , the more likely they are to return . Making the dreaded supermarket queue a thing of the past will give any retailer a huge advantage over its competitors .
6 In its third quarter results in October , Amazon for the first time put a figure on the revenues generated by its physical stores : $1.28 bn. Yet almost all of that was generated by Whole Foods. While its stores may not yet be money spinners , analysts have said Amazon is using them to raise brand awareness and promote its Prime membership scheme .Brian Olsavsky , Amazon cheif financial officer, recently hinted that rivals should expect more Amazon shops in the months and years ahead . “You will see more expansion from us — it’s still early , so those plans will develop over time ,”he said in October .
21、In Amazon Go, the cameras and electronic sensors can .
A. ensure the safety of the market and the shoppers
B. Keep track of the service record of the customers
C. Contribute to the automation of purchasing
D. Help shoppers to locate the proper goods
参考答案：C
22、 Amazon delayed the launch of Amazon Go store in that .
A. there are still some minor difficulties to deal with
B. The public were not ready to accept it
C. The system didn’t go well during the testing phase
D. The system was too complicated to be implemented
参考答案：A
23 、By saying “they’re on to the less-than-honest ” （Lines 5&6, Para. 4）, the author means .
A. the system is less likely to provide information
B. The system is far from being mature or perfect
C. The system can prevent and stop shoplifting
D. The system is fairly reliable and trustworthy
参考答案：D
24 、Amazon will have a huge advantage if .
A. more Go stores can be replaced by the Whole Food
B. The lining-up technology can be applied to more store
C. Customers can get fast lining up service in stores
D. Customers can shop faster when purchasing in stores
参考答案：D
25、In the last paragraph ,Brian Olsavsky implies that .
A. revenues generated by Go shops surpass that of Whole Foods
B. There will be more Amazon retailer stores in the future
C. Whole Food stores are more competitive than Go shops
D. The retailer store will take place of the Whore Foods
参考答案：B
Hundreds of infra-red ceiling cameras have been trained over the last year to differentiate between customers as they move around the store , and between items for sale, even those with similar appearances .
infra-red[,infrə’red]
adj. 红外线的
differentiate
v. 区分，区别
去年，安装在天花板上的数以百计的红外线摄像仪已经测 试了整整一年，用于辨别在商场里走动的顾客和货架上的商品，甚至辨别那些外观相似的商品。
dread
v. 惧怕，担心；敬畏
n. 恐惧，可怕的人（或物）；（鸟群的）惊飞，惊起；将头发编成“骇人”发型的人
adj. 可怕的；令人敬畏的
adj.dreadful 可怕的；糟透的，令人不快的
dreaded 令人畏惧的，可怕的
The prospect of growing old fills me with dread.
想到人会一天天老下去便使我充满恐惧。
I dread to think what will happen in the case of a major emergency.
我不敢想像万一出现重大紧急情况会怎么样。
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