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Questions 1 to 4 are based on the conversation you have just heard.
1
A.He didn't understand the lecture.
B.He wanted to discuss it with her.
C.He didn't attend the lecture.
D.He intended to copy her notes.
2
A.The reason why inactive volcanoes become active.
B.The inner structure of active volcanoes.
C.The primary causes of global warming.
D.The effects of volcanoes under the Antarctic ice sheet.
3
A.Why does ice flow out to the ocean?
B.How does heat prevent ice from melting?
C.How does water flow into the ocean?
D.Why does ice sheet have a slippery surface?
4
A.The water flowing into the ocean.
B.The volcanoes' eruption.
C.The ice flowing into the ocean.
D.The melting of the interior ice.
