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【多选题】
以下属于车场线的是( )A.
停车线
B.
出入
C.
联络线
D.
牵出线
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皮皮学刷刷变学霸
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【简答题】IA、IIA的同族元素,从上到下,电负性依次( );金属性依次( ) (填增大或减小)
【简答题】以下不属于机器损坏保险的保险责任的是（ ）。
【简答题】There was once a man in South America who had a parrot(鹦鹉), a pet bird that could imitate(模拟) human speech. The parrot was unique. There was no other bird like him in the whole world. He could learn t...
【简答题】IA、IIA的同族元素,从上到下,电负性依次( );金属性依次( )
【单选题】听力原文： There was once a man in South America who had a parrot, a pet bird that could imitate human speech. The parrot was unique. There was no bird like him in the whole world. He could learn to say an...
A.
Because the bird couldn't repeat his master's name.
B.
Because the bird screamed all day long.
C.
Because the bird uttered the wrong word.
D.
Because the bird failed to say the name of the town.
【多选题】以下属于机器损坏保险保险责任的是（）
A.
超负荷、超电压、漏电及其他电气原因造成的火灾或爆炸
B.
工人、技术人员的操作错误、疏忽过失、恶意行为
C.
离心力引起的断裂
D.
设计、制造错误和原材料缺陷
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