单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the author, where does the happiness of scientists lie

A．It lies in a sense of fulfillment.
B．It lies in their rich imagination.
C．it lies in the increase of their knowledge.
D．It lies in the opportunity to continue the search.

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单项选择题

Which one might be true according to what you hear

A．The plane belonged to a US businessman.
B．The plane belonged to the Mexican government.
C．It was a plane of the US police.
D．The owner of the plane was a drug smuggler.

单项选择题

Why didn’t Professor Foley talk with lean after class

A．He did not see her.
B．He was busy answering his students’ questions.
C．He was receiving an, award.
D．He was collecting signatures from three other faculty members.

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the author, where does the happiness of scientists lie 您的浏览器不支持 audio 元素。

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the author, where does the happiness of scientists lie