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变压器空载投入冲击试验，即变压器不带负荷投入，所有负荷侧开关应全部拉开。( )

A. 对
B. 错

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防潮呼吸器安装前，应检查硅胶是否失效。浅蓝色硅胶变为浅红色，即已失效；白色硅胶，不加鉴定一律烘烤。( )

A. 对
B. 错

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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 mainly talked about in tile passage

A. How to distinguish people’s faces.
B. How to describe people’s personality.
C. How to distinguish people both inward and outward.
D. How to differ good persons from bad persons.

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树脂绝缘干式变压器的结构特征是干式变压器的铁芯和绕组都浸在任何绝缘液体中。( )

A. 对
B. 错

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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 does the author of this passage most probably do

A. Physician.
B. Psychologist.
C. Fictional writer.
D. Historian.

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变压器空载投入冲击试验，即变压器不带负荷投入，所有负荷侧开关应全部拉开。( )

A. 对 B. 错

防潮呼吸器安装前，应检查硅胶是否失效。浅蓝色硅胶变为浅红色，即已失效；白色硅胶，不加鉴定一律烘烤。( )

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 mainly talked about in tile passage

树脂绝缘干式变压器的结构特征是干式变压器的铁芯和绕组都浸在任何绝缘液体中。( )

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 does the author of this passage most probably do

A. 对
B. 错