单项选择题

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage. What is the purpose of the talk

A. To introduce a speaker to a group.
B. To provide background information for a special exhibit.
C. To describe an upcoming video presentation.
D. To introduce a lecture series.

<上一题目录下一题>

热门试题

单项选择题Why does Paola think Sam can help her

A. He has some knowledge of the law.
B. He had the same problem.
C. He knows the owner.
D. He can bring a lawsuit against the owner.

单项选择题According to the speaker, what is a possible reason that birds began to build nests in trees

A. To avoid predators.
B. To expose the eggs to stronger sunlight.
C. To have a better view of predators.
D. To save labor.

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What is the purpose of the talk 您的浏览器不支持 audio 元素。

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage. What is the purpose of the talk