题型:阅读理解 题类:常考题 难易度:普通
山东省济南市2017-2018学年高一下学期英语期末教学质量检测试卷
What do you use to unlock your cellphone? A password? A fingerprint? Or simply a glance?
On September 12, 2017, Apple introduced its iPhone X, which has an eye-catching feature—Face ID.
With Face ID, Apple says, you can unlock your new iPhone by just looking at it. It is powered by a so-called TrueDepth camera system built into the front of the iPhone X.
When the camera system sees a person's face, it uses 30,000 unseen dots to “map” the shape and outline of the face. A mathematical model of the face will then be created and stored in the phone.
The next time the person looks at the iPhone X, the same dots are mapped onto his or her face and compared to the stored model. If the two match, then the phone unlocks. This happens in less than a second.
Apple says the system is smart. If you change your hairstyle, put on sunglasses or makeup, or use the phone in the dark, Face ID still works.
Although the technology sounds fancy, there are still concerns. For example, will Face ID work for twins?
According to Apple, the chance of others to unlock your iPhone X using Face ID is one in a million. Face ID can tell the difference between twins, but the error rating(出错率)rises. So one would need to set a password then.
Apple also emphasizes that Face ID only unlocks when you stare at it. It is what Apple calls “attention aware”. So the phone won't unlock if you are just glancing at the phone for the time. It won't work either if someone puts the phone at your sleeping face or your photo.
Tickets for the 2014 World Cup in Brazil have gone on sale, with fans able to apply on FIFA's website. FIFA is expecting a similar demand to that in Germany 2006, when there were about seven applicants for every ticket of the 64 matches. And now around 3.3 million tickets will be available for the matches in 2014.
Tickets will range in price from£58 for first-round matches to£632 for the final at Maracana Stadium in Rio de Janeiro. Brazilian citizens over 60, local students and members of some social programs can purchase tickets for £15.
The Price of Football - World Cup 2014
Items |
Prices |
Items |
Prices |
Ticket |
£58-£112 |
Final ticket |
281-£632 |
Sun cream |
£9.50 |
T-shirt |
£13 |
McDonald's meal |
£11 |
Water |
£1.28 |
Imported beer |
£3.83 |
Domestic beer |
£1.91 |
Coffee |
£2.55 |
Average dinner |
£29 |
"It's always difficult to predict," said FIFA marketing director Thierry Weil. "But I truly believe that it will be more similar to what happened in Germany than in South Africa in 2010." According to FIFA, the 2006 World Cup was attended by more than 3.3 million fans. Almost two million tickets were sold to the general public in South Africa, although the number of applications during the first ticketing phase was significantly lower.
All applications made before 10th October 2013 will enter a random selection draw if there are not enough tickets available to fulfill all requests. The sales of the leftover tickets will begin on 5th November on a first-come, first-served basis. Another phase(阶段) will begin on 8th December after the draw is made. The tournament begins on 12th June, with Brazil playing the opener in Sao Paulo.
A study on the price of World Cup 2014 looked at the ticket prices and the cost of travelling to Brazil and found that our English fans face hotel costs of between£46 and£797 a night, while packages range from£2,999 to£14,999.
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