【单选题】【消耗次数：1】
唯物辩证法的实质和核心是( )。
①
对立统一规律
②
质量互变规律
③
香定之否定规律
④
联系和发展的规律
参考答案：
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相关题目
【多选题】
对立统一规律是唯物辩证法的实质与核心,原因包括（）
①
A.对立统一规律揭示了事物普遍联系的根本内容和永恒发展的内在动力;
②
B.对一立统一规律是贯穿质量互变规律、否定之否定规律以及唯物辩证法基本范畴的中心线索，也是理解这些规律和范畴的“钥匙”;
③
C.对立统一规律提供了人们认识世界的根本方法——矛盾分析法。
④
D.对立统一规律不是唯物辩证法的实质与核心
随机题目
【判断题】
mso-ascii-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:
宋体;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">通过对组合体尺寸的分析，把组合体三视图尺寸分为定形尺寸、定位尺寸和总体尺寸
①
正确
②
错误
【判断题】
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
background:white;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:
AR-SA">零件图视图数量及表达方法应根据零件的具体结构特点和复杂程度而定，表达的原则是：完整、简洁、清晰
①
正确
②
错误
【判断题】
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
color:#333333;background:white;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">零件图应通过剖视图和断面图表达内部结构，不应出现虚线
①
正确
②
错误
【单选题】
正投影法中，投影面、观察者、物体三者相对位置是( )
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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人——面——物
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
物——人——面
③
Normal
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7.8 磅
0
2
false
false
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ZH-CN
X-NONE
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C. 人——物——面
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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table.MsoNormalTable
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面——人——物
【单选题】
当直线、平面与投影面平行时，该投影面上的投影具有( )
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
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mso-hansi-theme-font:minor-latin;
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积聚性
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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真实性
③
Normal
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7.8 磅
0
2
false
false
false
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ZH-CN
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类似收缩性
④
Normal
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7.8 磅
0
2
false
false
false
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ZH-CN
X-NONE
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table.MsoNormalTable
{mso-style-name:普通表格;
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收缩性
【单选题】
mso-bidi-font-family:宋体;mso-font-kerning:0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">平行剖切面剖视图所用的剖切平面是
①
一个剖切平面
②
两个相交的剖切平面
③
两个剖切平面
④
几个平行的剖切平面