题目内容

交流电动机按转子磁场与定子磁场转速是否相同，分为同步电动机和异步电动机。

A. 对
B. 错

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插入块可以修改插入块的插入点、大小、方向

A. 对
B. 错

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一般动态块可以选择快的形状或大小

A. 对
B. 错

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Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Questions 1 and 2 will be based on the following news item.

A. She worked hard to send all her children to college.
B. She was the oldest speaker at the graduation ceremony.
C. She graduated from college at a very advanced age.
D. She lived the longest among the graduates of the college.

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Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Questions 1 and 2 will be based on the following news item.

A. Pursue a higher degree.
B. Take up some hobbies.
C. Stay healthy after two illnesses.
D. Enjoy having grandchildren around.

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交流电动机按转子磁场与定子磁场转速是否相同，分为同步电动机和异步电动机。

A. 对 B. 错

插入块可以修改插入块的插入点、大小、方向

一般动态块可以选择快的形状或大小

A. 对
B. 错