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.
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 engine.

<上一题目录下一题>

热门试题

单项选择题

The speaker wants to go to a Latin American country to().

A. get the funding for the hospitals.
B. help the disabled children there.
C. train therapists for the children there.
D. set up an institution for the handicapped.

单项选择题

What can we learn from the conversation().

A. Charles bought a photocopier because all sorts of people need it.
B. Charles bought a photocopier by accident.
C. There was no place nearby to provide the photocopy service.
D. Few people send fax messages abroad.

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. 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.
How does a maglev operate().