19.Questions 19 to 21 are based on the passage you have just heard.[音频][音频] A: Crimes committed by young people. B: Crimes committed by needy people. C: Influence on young people. D: Stealing and violence.

Questions 19 to 21 are based on the passage you have just heard. What are some people worried about according to the speaker？

Questions 19 to 21 are based on the passage you have just heard______ A: Theft. B: Air crash. C: Cheating. D: Road accidents.

Questions 19 to 22 are based on the conversation you have just heard. A: Farmers. B: City people. C: Business people. D: Students.

Passage Two Questions 19 to 21 are based on the passage you have just heard. Question 19: A: American Indians and corn. B: The planting techniques of corn. C: The joy of harvest. D: Various ways to prepare corn.

Questions 19 to 21 are based on the passage you have just heard. 19题选（）. A: It tastes better B: It is easier to grow C: It may be sold at a higher price D: It can better survive extreme weathers

An instructor scored a student’s test of 50 questions by subtracting 2 times the number of incorrect answers from the number of correct answers. If the student answered all of the questions and received a score of 38, how many questions did that student answer correctly ？（） A: 19 B: 38 C: 41 D: 44 E: 46

Passage Two Questions 19 to 21 are based on the passage you have just heard. 20. A: Impractical. B: Inconsistent. C: Unmanageable. D: Unfair.

Questions 19 to 21 are based on<br/>the passage you have just heard.<br/>Q19 A: $ 95,000 B: $12,500 C: $25,000 D: $ 19,500

Passage 2[br][/br] Questions 19 to 21 are based on the passage you have just heard. A: 38%. B: 25%. C: 36%. D: 21%.