Listen to an Academic Talk
Listening3 ujian percuma lagi
Listen to a short academic talk and answer questions about main ideas and details
6 ujian percuma · kira-kira 12 min setiap satu
Pilih Ujian (6 tersedia)
- 1Ujian Latihan 1Biology: Batesian and Mullerian mimicryBelum mulakira-kira 12 minit
- 2Ujian Latihan 2Geology: how oxbow lakes formBelum mulakira-kira 12 minit
- 3Ujian Latihan 3Psychology: the serial position effectBelum mulakira-kira 12 minit
- 4Ujian Latihan 4Art history: the fresco painting techniqueBelum mulakira-kira 12 minit
- 5Ujian Latihan 5Astronomy: tidal locking and the MoonBelum mulakira-kira 12 minit
- 6Ujian Latihan 6Linguistics: pidgins and creolesBelum mulakira-kira 12 minit
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Listen to an Academic Talk
Listen to part of a talk in a class. Then answer the questions. You will hear the talk only once.
1. What is the talk mainly about?
- A. How animals produce toxins to defend themselves
- B. Two ways species benefit from looking like other species
- C. Why birds prefer to eat certain kinds of butterflies
- D. How snakes developed their bright warning colors
2. According to the professor, what can happen if Batesian mimics become too common?
- A. The mimics begin producing their own toxins.
- B. The harmful species changes its color pattern.
- C. Predators stop hunting both the mimics and the models.
- D. Predators stop treating the warning pattern as a danger signal.
3. Why does the professor discuss the viceroy butterfly?
- A. To show that an accepted example was changed after testing
- B. To give a clear example of a harmless Batesian mimic
- C. To explain how monarch butterflies became toxic
- D. To compare butterflies with the kingsnake and coral snake
4. What can be inferred about Mullerian mimicry?
- A. It works only when one species is much rarer than the other.
- B. It was discovered before Batesian mimicry.
- C. It benefits every species that shares the pattern.
- D. It mainly occurs among harmless species.
Tentang tugasan ini
Listen to a short academic talk and answer questions about main ideas and details
Listen and answer multiple-choice questions about gist and detail