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初二教案 第749期(2) 发布时间:2021-09-27 点这里下载本页内容 (30.0 KB) 第5/749期初二课件 霍志硕 New AI is all about the eyes (P6) Pre-reading What is AI? What can it be used for nowadays?
Predict What can people use facial-recognition technology to do? If people wear masks, can this technology still work?
While reading To unlock their phones, open doors, or make quick payments. Facial-recognition cameras are everywhere - even in your smartphone. Many people use this technology to unlock their phones, open doors, or make quick payments.
Facial-recognition cameras are everywhere - even in your smartphone. Many people use this technology to unlock their phones, open doors, or make quick payments. But during the pandemic, there is a problem: everyone wears masks. What a hassle! use...to do... 用...来做... eg. People can use computers to send e-mails. be used to do...被用来做... eg. Computers are used to send e-mails. be used to doing...习惯于做... eg. He is used to living here. used to do...过去常常做... eg. He used to stay up late, but now he doesn't.
But during the pandemic, there is a problem: everyone wears masks. What a hassle! 感叹句句型结构: 1. What + (a/an) + adj. + n. + (主语 + 谓语)! What an interesting story it is! What wonderful dreams they have! What bad weather it is today! 2. How + adj./adv. + (主语 + 谓语)! How interesting the story is! How fast the boy runs!
As we get older, he says, our faces change shape, but the area around our eyes doesn't. It stays the same even if we put on weight. As long as there are enough data from the area of our eyes, the cameras can recognize us. 1. even if: 即使,纵然 (引导让步状语从句) eg. It’s worth a try, even if I don’t find it. 2. put on weight: 长胖,增加体重 lose weight: 减肥 3. as long as: 只要 eg. As long as you tell the truth, I’ll try to help you.
As we get older, he says, our faces change shape, but the area around our eyes doesn't. It stays the same even if we put on weight. As long as there are enough data from the area of our eyes, the cameras can recognize us. Please translate the underlined sentences. a. 它会保持不变,即使我们变胖。 b. 只要我们的眼睛区域有足够的数据,照相机就能识别我们。
It also scans your iris, which is the colored part of your eye. which is the colored part of your eyes: 定语从句,修饰前面的iris.
Huang pointed out one big weakness: it fails when people wear both a mask and sunglasses. “In this situation, all of the key facial information is lost,” Lei said to E&T. 1. point out: 指出 2. weakness: 不足,弱点。--ness为构成名词后缀,如:kindness, happiness, darkness, sadness等。 3. both…and…: 既…又…,表示两者都 。 eg. Jenny likes both running and swimming.
Post reading Think about it: If there is an eighth paragraph, what may the writer say next?
1. What problem is Hanwang's new system trying to solve? A. How to unlock phones with facial-recognition technology. B. How to protect people during the pandemic. C. How to find crime suspects at subway stations and airports. D. How to achieve facial-recognition when people wear masks.
2. What can we learn according to Marios Savvides? A. Cameras can always recognize people by the shape of their face. B. The area around our eyes stays the same shape as we get older. C. Putting on weight may change the shape of our eyes. D. Facial recognition technology works better on young people.
3. Which part of the face does Tech5 use to develop their technology? A. Mouth. B. Face color. C. Iris. D. Nose.
4. What is Paragraph 6 mainly about? A. Ways of finding terrorists. B. The weakness of the new technology. C. Similar technologies to facial recognition. D. Why the new facial recognition software is important. 参考答案: 1. D。Scientists are trying to solve this problem. For example, Engineering & Technology magazine reports that Hanwang, a tech company in Beijing, has made a new system. It can recognize 95 percent of people even when they are wearing masks.
2. B。Marios Savvides from Carnegie Mellon University, US, studies facial recognition. As we get older, he says, our faces change shape, but the area around our eyes doesn't. It stays the same even if we put on weight. As long as there are enough data from the area around our eyes, the cameras can recognize us.
3. C。Tech5 is another facial-recognition company. The Swiss company’s product scans the shape of your face. It also scans your iris, which is the colored part of your eye. Tech5 does not plan to look at the lower part of the face.
4. D。This kind of software is more important than just unlocking your phone. “It can detect crime suspects and terrorists (even when they wear masks),” said Huang Lei from Hanwang. Hanwang’s technology is used by Chinese police in places like subway stations and airports. Similar technology is used by the United States Air Force.
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