Listen to part of a lecture in a biology class. The professor is discussing the behavior of honeybees.
"Today, I want to talk about how honeybees communicate, specifically the famous 'waggle dance.' When a forager bee returns to the hive after finding a rich source of nectar, it performs a series of movements that convey information to other bees. The dance consists of a figure-eight pattern. The straight portion of the dance, where the bee waggles its abdomen, indicates the direction of the food source relative to the sun. The duration of the waggle run represents the distance. For example, a longer waggle run means the food is farther away. Interestingly, scientists have found that bees adjust their dance based on the quality of the food source. If the nectar has high sugar content, the bee dances more vigorously and repeats the dance more frequently. This ensures that the hive efficiently allocates foragers to the best available food sources."
❓ คำถาม According to the professor, what does the duration of the waggle run indicate?
A. The quality of the nectar
B. The direction of the food source
C. The distance to the food source
D. The number of other bees in the hive
✅ คำตอบที่ถูกต้อง
The distance to the food source
TOEFL Listening Tips
Skim the questions first to predict the content
Watch for signal words in lectures and conversations (however, actually, in fact)
For main idea questions, focus on the beginning; for detail questions, focus on examples and data
For attitude questions, pay attention to the speaker's tone and word choice
Take notes on keywords; don't try to write down every word