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.
What have Wilse Webb and Ray Meddis suggest

A．Sleep increases the vulnerability of animals.
B．Sleep decreases the vulnerability of animals.
C．Stupid animals are vulnerable to attack.
D．Smart animals are vulnerable to attack.

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单项选择题

Why did the speaker once assume the manager was sick

A．Because he looks very unhappy.
B．Because he usually wore a hard wing collar.
C．Because the left side of his face was swollen.
D．Because the right side of his face was swollen.

单项选择题

Where was the evening rally held

A．I Chicago.
B．I New York.
C．I Washington
D．C.D. I Los Angeles.

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. What have Wilse Webb and Ray Meddis suggest 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.
What have Wilse Webb and Ray Meddis suggest