题海让大学四年没有难题
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题目详情

单选题 Section BDirections: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Conversation OneQuestions 8 to 11 are based on the conversation you have just heard

A. The dinosaur age

B. Prehistoric bacteria

C. The cause of climate change

D. The cause of mass extinctions

大学英语听说教程4课程封面

学科:大学英语听说教程4

时间:2024-05-10 11:08:03

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