Section AQuestions 1 to 4 are based on the conversation you have just heard
Organisms far below the Earth’s surface
New drilling methods
A hidden underground world
Rare and infectious bacteria
Modern experiments
Advanced technology
Precise statistics
Keen observation
3,000m
3,000km
6,000m
6,000km
They would be killed by the human immune system
They would die once brought to the surface
Many precautions and remedies are available
Drilling operations are always closely monitored
Questions 5 to 8 are based on the conversation you have just heard
Writing papers for his classes
Preparing for the coming exam in the library
Doing extra work in the chemistry lab
Working overtime at a library
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