高一人教版必修1英語全冊教學案及答案3
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the legal age for smoking in japan is 20 and as the country' s 570,000 tobacco vending machines ( 自動售貨機) prepare for a july regulation requiring them to ensure buyers are not minors, a company has developed a 1 to identify age by studying facial features.
by having the customer look into a digital camera 2 to the machine, fujitaka co's system will 3 facial characteristics, such as wrinkles surrounding the eyes, bone structure and skin sags (松弛), to the facial data of over 100,000 people, hajime yamamoto, a company spokesman said.
"with face 4 , so long as you've got some change and you are an adult, you can buy cigarettes like before. the problem of 5 borrowing (identification) cards to purchase cigarettes could be 6 as well," yamamoto said.
but due to concerns about its accuracy, the facial identification method has yet to be 7 .
yamamoto said the system could 8 identify about 90 percent of the 9 , with the remaining 10 percent sent to a "grey zone" for minors that look 10 , and baby-faced adults, where they would be asked to insert their driving license.
1. a. system b. machine c. program d. monitor
2. a. added b. attached c. covered d. devoted
3. a. prefer b. adjust c. lead d. compare
4. a. features b. structure c. recognition d. expression
5. a. students b. youths c. adults d. minors
6. a. avoided b. clarified c. raised d. improved
7. a. corrected b. approved c. updated d. spread
8. a. completely b. correctly c. specifically d. partly
9. a. smokers b. sellers c. lookers-on d. users