Directions: Im this section, you are required 1o read one quoted blog and the comments on it. The biog and comments arc followed by questions or unfinished statements, each with four suggested answers A, B, C and D. Choose the best answer and mark your answer on the Answer Sheet.
Face masks are one of the best defenses against the spread of COVID- 19, but their growing adoption is having a second, unintended effect: breaking facial recognition algorithms(算法).
Wearing face masks that adequately cover the mouth and nose causes the error rate of some of the most widely used facial recognition algorithms to rise to between 5 percent and 50 percent, a study by the US National Institute of Standards and Technology (NIST) has found. Black masks were more likely to cause errors than blue masks, and the more of the nose covered by the mask, the harder the algorithms found it to identify the face.
“We need to understand how face recognition technology deals with masked faces," said the author of the report and NIST computer scientist. "We have begun by focusing on how an algorithm developed before the pandemic (大流行病) might be affected by subjects wearing face masks. Later this summer, we plan to test the accuracy of algorithms that were intentionally developed with masked faces in mind."
Facial recognition algorithms such as those tested by NIST work by measuring the distances between features in a target's face. Masks reduce the accuracy of these algorithms by removing most of these features, although some still remain. This is slightly, different from how facial recognition works on iPhones, for example, which use depth sensors for extra security, ensuring that the algorithms can't be fooled by showing the camera a picture (a danger that is not present in the scenarios NIST is concerned with).
Well, that's one good thing to come out of the pandemic. Mass sureillance is nonsense.Time to pair masks up with sunglasses to deliver the decisive stroke.
“Wearing face masks that adequately cover the mouth and nose causes the error rate of some of the most widely used facial recognition algorithms to rise sharply" Rubbish technology! I would've never guessed.
There's a reason why some country is already using gait( 步态) analysis. Facial recognition is too easy to block or to fool.
Pretty soon they are going to do.. .analysis. With the development of AI, there will be a way out.
The AI's getting better, though, so soon it won't matter. Just like how you can pick out a relative or close friend even in bad CCTV footage, so too can AI. Your height, walking gait, mannerisms, voice, ears, clothing, etc, all add up to YOU.
41. What is the passage mainly about?
A. The best way to defend against COVID-19.
B. Efforts to improve facial recognition technology.
C. Methods to fool the facial recognition system.
D. The impact of masks on facial recognition accuracy.
42. The NIST study found that compared with blue masks, black masks
A. were more widely used by the public
B. caused more errors in facial recognition
C. provided better protection against the virus
D. required less complex algorithms
43. Comment 1 seems to be
A. in favor of the rules for wearing face masks
B. in favor of the facial recognition technology
C. against the wide use of facial recognition
D. against the requirements for wearing face masks
44. Which comment views the current facial recognition technology with contempt?
A. Comment 2.
B. Comment 3.
C. Comment 4.
D. Comment 5.
45. Which of the following is positive about the future technological advance?
A. Comment 2 and Comment 3.
B. Comment I and Comment 4.
C. Comment 3 and Comment 5.
D. Comment 4 and Comment 5.
Part IV Cloze (10 points)
Directions: In this part, there is a passage with ten blanks. For each blank there are four choices marked A, B, C, and D. Choose the best answer for each blank and mark your answer on the Answer Sheet.
The English countryside has a classic image. People imagine that life in the country is slow and calm; that there are no traffic jams, no pollution, and no crime. In some places, this is true; but in 46 it is not.
Small towns and villages are becoming more and more 47 ; people have more space and most houses have gardens. But problems are 48 . Lots of people want to live in the country and work in the city; so more and more people travel 49 distances each day, to go to work. Of course they don't use buses or trains; they use cars. Little villages now have traffic problems in the morning, just 50 big cities!
The problems are very complicated! If everyone moves into the country, the peace of the countryside will 51 ! People leave cities and big towns, to escape from urban problems; but more and more, they are 52 their problems with them. On warm summer days, and cold winter days, air pollution can be a big problem in large 53 of the south of England, not just in London.
Perhaps there is 54 for the future. Soon Britain's population will stop rising.From about the year 2030, it will perhaps start to fall. In 100 year's time, there will be less people in Britain than today - perhaps two million less. No doubt there will be 55 pollution too; oil and petrol will probably be rare by then.
46. A. Other B.the others C.others D.another
47. A. Famous B.beautiful C.secure D.popular
48. A. declining B.growing C.solved D.involved
49. A. Far B.short C.remote D.long
50. A. Like B.as C.for D.to
51. A. Arise B.emerge C.continue D.disappear
52.A. developing B.bringing C.causing D.creating
53. A. Parts B.places C.cties D.blocks
54. A. Fear B.plan C.hope D.vision
55. A. More B.less C.much D.few
Part V Text Completion (20 points)
Directions: In this part, there are three incomplete texts with 20 questions (Ranging from 56 t0 75). Above each text there arre three or four phrases to be completed. First, use the choices provided in the box to complete the phrases. Second, use the completed phrases 10 fill in the blanks of the texr. Note you should blacken the lelters that indicate. your answers on the Answer Sheet.
A. Connected B. Healthy C. immune
A. eating 56 meals at regular times
B. can also impair our 57 system fiunction
C.are 58 to the body clock
A lack of quality sleep not only affects how we feel during the daytime, but 59 ,which is vital in protecting us from common viral illnesses. Efforts needed to sleep well that include following a sleep routine,. 60 and not drinking too much coffee. All of these things are really interconnected in terms of their function. All of them 61 The body is like an orchestra where there's an orchestra leader that's sort of the main timer, but everybody clse is playing it together and they're optimizing what they are doing.
A. Share B. Demands C. force
A. true happiness 62 that we have it in our lives
B. they freely. 63 their ups and downs
C. as it is a driving. 64 in our nature
One of the basic needs we have as humans is to connect with others. We have done this since the beginning of time 65 .Close intimate friendships fill that need. There is simply no replacement for this in our lives. You can't buy it, borrow it or steal it, but 66 . Experts found that people who can name several close, supportive friends- friends with whom 67 —live with greater health and happiness.
A. Future B. Shape C. Form D. safety
A. will adjust themselves for your 68 and comfort
B. wil 69 the way we live in astonishing ways
C. mimicked human 70 and thinking
D. gains a truer glimpse of our robotic 71
Tiny technologies are a key to the future of robots. The old science-fiction notion of a robot pictured a large machine that 72 . But a visitor to the Arificial Intelligence Laboratory at Cambridge 73 。 In this microworld, scientists and engineers are building new machines in other fields such as medicine and aerospace. Soon, you'll be driving smart car and living in smart home that 74 It is already clear that our tiny new tools 75 . By“thinking small," scientists and dreamers are enlarging and enriching the future for all of us.
Part VI Translation (10 points)
Directions: Translate the fllwing passage into Chinese. Write your answer on the Answer Sheet. Personalty is the pattern of thoughts feelings and behaviors unique to 0 person.
Personality is the pattern of thoughts, feelings and behaviors unique to a person, People tend to think of personality as fixed. But according to psychologists, that's not how it works. Personalityis a developmental phenomenon. It's not just a static thing that you're stuck with and can't get over. That's not to say that you're a dfferent person each day you wake up. In the short term, change can be nearly imperceptible. Longitudinal studies, in which researchers survey the personalities of participants regularly over many years, suggest that our personality is actually stable on shorter time scales.
Part VIl Writing (I5 points)
As the coronavirus (COVID-19) pandemic seems to be here to stay, we perhaps have to choose online instruction sometimes. The mode of instruction and learning may have its Advantages, but...
Part I Oral Communication (15 minutes, 10 points)
Dialogue One 1-3 C A B
Dialogue Two 4-6 C B A
Section B 7-10 C B D A
Part II Vocabulary (10 minutes, 10 points)
11-15 DBDDA 16-20 DCACD
Part III Reading Comprehension (45 minutes, 25 points)
Passage One 21.B 22.D 23.C 24.C 25.B
Passage Two 26.A 27.C 28.B 29.B 30.B
Passage Three 31.D 32.A 33.C 34.A 35.C
Passage Four 36.D 37.A 38.B 39.D 40.A
Section B 41.B 42.B 43.A 44.A 45.D
PartIV Cloze (10 minutes, 10 points)
46-50 CBBDA 51-55 DBCCB
Part V Text Completion (20 minutes, 20 points)
Texi One 56-61 BCA BAC
Text Two 62-67 BAC CAB
Text Three 68-75 DBCA CDBA
The benefits and the disadvantages of online learning
In recent years, online learning is springing up as people are developing an inseparable relationship with the Internet. In fact, there are both advantages and disadvantages.
On the one hand, compared with traditional face-to-face courses, acquring knowledge and having access to information via online learning can be taken any time. This fexibility is an essential factor for busy students who wouldn't normally be able to study step by step because of time constrains. Besides, online learning also brings greater availability to those who need tilor-made programs in line with their own level and interest.
But on the other hand, learning online has some disadvantages. For teenagers, it is inappropriate for them to contact the Internet too early. They are likely to be distracted as there are games or other temptations available online. What's more, learners with poor learning habits admit that they are too adicted to the Internet that they can't focus on learning, which inevitably leads to poor performance.