单项选择题

Questions 14 to 17 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.
How does a maglev operate

A．It uses nuclear energy.
B．It rests on a cushion of pressurized air.
C．It flies over magnetically activated tracks.
D．It uses a device similar to a jet engin

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单项选择题

According to the speaker, ______ contributed to her admission to Ohio State University.

A．the timely advice form her friends and relatives
B．the two-year professional training she received
C．her determination to fulfill her dream
D．her parents’ consistent moral support

单项选择题

What was Mr. Plant’s place in the family

A．He was the bread earner in the family.
B．He was the oldest son in the family.
C．He was the youngest son in the family.
D．He was his father’s favorite son.

Questions 14 to 17 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. How does a maglev operate 您的浏览器不支持 audio 元素。

Questions 14 to 17 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.
How does a maglev operate