1. A 从第二段及最后一段第一句可以判断:一家日本公司研制出一套年龄识别体系。
10. A. older B. younger C. wiser D. nicer
答案:
9. A. smokers B. sellers C. lookers-on D. users
8. A. completely B. correctly C. specifically D. partly
7. A. corrected B. approved C. updated D. spread
6. A. avoided B. clarified C. raised D. improved
5. A. students B. youths C. adults D. minors
4. A. features B. structure C. recognition D. expression
3. A. prefer B. adjust C. lead D. compare
2. A. added B. attached C. covered D. devoted
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