This is your final task. You will complete a full simulation of the TOEFL Speaking Task 4. The simulator will guide you through each step.
Instructions:
- You will listen to the lecture.
- You have 20 seconds to prepare your response.
- You have 60 seconds to speak your answer.
Listen to a lecture from a university class.
Preparation Time: 20 seconds
Prompt: Using points and examples from the lecture, explain the two main challenges of long-duration space travel for humans.
Speaking Time: 60 seconds
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