为什么老外这么扛冻：大冬天穿个短裤
What’s Up With Men Who Don’t Wear Coats in Winter?
外刊语料：leader& organization
TOEFL Writing
D7P3
1. What is the main purpose of the lecture? A. To contrast the functions of probiotics and antibiotics B. To describe some ways that bacteria contribute to human health C. To describe some differences between beneficial and harmful bacteria D. The explain the relationship between bacteria and vitamins 2. The professor mentions research findings on …
D6P3
1. What is the lecture mainly about A. The origin of an important technological idea B. The history of the air-conditioning industry C. Applications and benefits of mechanical refrigeration D. John Gerrie’s trouble with the ice industry 2. What problem did air-conditioning solve in the printing industry A. Strong winds blowing dirt through open windows …