单项选择题

In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
Questions 11 to 14 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 main topic of the talk

A．How birds learn to build nests.
B．Why birds lay eggs.
C．How birds’ nests have evolved.
D．Why some birds’ nests are considered primitiv
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单项选择题
Why does the student go to see her professor
A．There was a problem with her registration.
B．She will miss the beginning of the summer term.
C．She wants advice about joining a study group.
D．She would like to discuss her research project.
问答题
Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more.
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