【单选题】
我们平时称的瓷瓶，在电工专业中称为___。(单选题)
A. 绝缘瓶
B. 隔离体
C. 绝缘子
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答案
C
解析
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在生产过程中，静电对人体，对设备，对产品都是有害的，要消除或减弱静电，可使用喷雾增湿剂，这样做的目的是___。(单选题)
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B. 使静电荷向四周散发泄漏
C. 使静电沿绝缘体表面泄露
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当电气火灾发生时，应首先切断电源再灭火，但当电源无法切断时，只能带电灭火，500V低压配电柜灭火可选用的灭火器是___。(单选题)
A. 二氧化碳灭火器
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【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents
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C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
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The meeting between the two families helped to ease the Marshes'suffering because___
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The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
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When the writer asked for a divorce ,her husband___
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【单选题】
When the writer first met Clint ,she felt that___
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The writer was particularly touched by Clint because___
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【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
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【单选题】
What did Goodall's mother think of her dream ?___
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Goodall's most important discovery was that___
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What is Goodall doing now ?___
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【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
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中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
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【单选题】
以下关于思想道德和法律的关系表述错误的是___。
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人生态度与人生目的、人生价值的关系是___。
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