小白老师说：大家好，这是2020 新大纲样卷的听力 Section B 及答案。这部分有五则小短文，英式发音，语速中等。请大家安排一个不受打扰的时间，完整地把这 15 题做一下，并核对答案。这两天将公布录音文字稿，并为大家做答案解析。
Directions: In this section you will hear five passages, At the end of each passage, you will hear three questions about the passage. The question will be spoken only once. After you hear the question, read the four possible answers marked A, B, C and D. Choose the best answer and mark the letter of your choice on the ANSWER SHEET.
16. A. The lack of vitamins.
B. The issue of food safety.
C. The intake of fruit and vegetable.
D. The deficiency of basic micronutrients.
17. A. In the developing countries.
B. In the developed countries.
C. In the American countries.
D. In European countries.
18. A. Unbalanced diet.
B. Slow development.
C. Nervous irritability.
D. Short-term memory.
19. A. The harmful effects of obesity.
B. The incidence of birth defects.
C. Obesity in the world.
D. Unhealthy lifestyle.
20. A. On the decline.
B. Likely to go unnoticed.
C. Serious enough to be fatal.
D. Caused by an obese mother.
21. A. 20 million.
B. 40 million.
C. 200 million
D. 400 million
22. A. A possible preventive for hearing loss.
B. An attempt to develop a nutritious diet.
C. A research on possible risks of vitamins.
D. An effective way to reduce noise pollution.
23. A. A diet with mineral supplements.
B. A combination of some herbal elements.
C. A physical protection with a medication.
D. A cocktail of vitamins plus magnesium.
24. A. Those who have hearing loss.
B. Those who work for General Motors.
C. Those who are exposed to loud noise.
D. Those who participate in the research.
25. A. Challenges of being a resident.
B. Academic and clinical medicine.
C. Importance of medical knowledge.
D. Increased responsibility in the hospital.
26. A. You cannot afford to make a mistake.
B. You have to be independent working.
C. Study is placed above everything.
D. Work comes before study.
27. A. No pain, no gain.
B. To stay or to leave.
C. More work, less sleep.
D. More haste, less speed.
28. A. To persuade patients to be self-centered.
B. To advise physicians to learn how to learn.
C. To encourage teamwork among physicians.
D. To urge partnerships between patients and physicians.
29. A. You are a real mentor.
B. You practice evidence-based medicine.
C. You have no trouble making a diagnosis.
D. You can get all the information you need.
30. A. Hard decisions.
B. End-of-life issues.
C. Discussion in secret.
D. Difficult medical terms.
Passage 1：16. D 17. A 18. B
Passage 2: 19. A 20. D 21. D
Passage 3: 22. A 23. D 24. C
Passage 4: 25. A 26. D 27. C
Passage 5: 28. D 29. D 30. D