19. Which word is for Question 19?
举一反三
- Question 19 （19-21）
- 19. 所谓无限大容量电源，是一种假设的理想情况，它的数学描述为（ ） A: 19 B: 19 C: 19 D: 19
- 36. Which word is for Question 36?
- 【填空题】19//4= ,19%4= , -19//4= , -19%4=
- 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.