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【单选题】
柴油机与汽油机相比柴油机不需要( )系统。
A.
冷却系统
B.
燃油供给系统
C.
启动系统
D.
点火系统
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】关于标准化的管理原理的论述，正确的是() A结构状态良好的系统，不会由于外部环境的变化而向无序方向演化 B实践证明，标准系统的效应是多个标准系统互相协同的结果，这个效应低于标准个体效应的总和 C标准系统的存在和发展，仅仅依赖于其内部要素的互相作用 D在对标准系统实施的过程中，应不断协调彼此的关系，及时发现结构的不合并加以调整 E标准系统同环境的联系表现在它和环境之间的物质和信息的不断交换过程中
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【简答题】短文改错（满分10分） After I finished the school this year，I began to 91._________ look for work. Now several month later， I still didn't 92._________ find the job that I was interested. Last Sunday morning ...
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【单选题】下图所示传动系统由蜗杆传动和圆锥齿轮传动组成，已知输出轴上的锥齿轮4的转向n4。欲使中间轴上的轴向力能部分抵消，请回答以下问题。【图片】第1问：蜗轮2的轴向力和圆周力的方向为 。
A.
轴向力向右、圆周力向纸外
B.
轴向力向左、圆周力向纸内
C.
轴向力向右、圆周力向纸内
D.
轴向力向左、圆周力向纸外
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【简答题】阅读理解。 On my first trip in the United States, I went to San Antonio. I was on foot. So I went to only three places there: the Alamo, the River Walk, and the Art Gallery. I especially enjoyed visiting t...
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【简答题】读一读，补全短文。 ate    sat    liked    had    watched    went    excited Last week, I had my first trip on an airplane. It was fun! I ___________ next to the window. I saw houses, parks, and swimming pools ...
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【单选题】听力原文： IRAN The Guardian Council said Friday that it had found no significant violations after 10 days of investigating the disputed June 12 presidential election. All three defeated candidates have pr...
A.
Rioters should be executed.
B.
There was no fraud in the election.
C.
More than 17 people died in the violence.
D.
Thousands of Iranians had visited Tehran's main cemetery.
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【多选题】关于标准化的管理原理的论述，正确的是()
A.
实践证明，标准系统的效应是多个标准系统互相协同的结果，这个效应低于标准个体效应的总和
B.
在对标准系统实施的过程中，应不断协调彼此的关系，及时发现结构的不合并加以调整
C.
结构状态良好的系统，不会由于外部环境的变化而向无序方向演化
D.
标准系统的存在和发展，仅仅依赖于其内部要素的互相作用
E.
标准系统同环境的联系表现在它和环境之间的物质和信息的不断交换过程中
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【简答题】On my first trip in the United States , I went to San Antonion . I was on foot . So I went to only three places there : the Alamo , the River Walk , and the Art Gallery . I especially enjoyed visiting...
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相关题目：
【简答题】图(a)所示减速系统由直齿圆锥齿轮、斜齿圆柱齿轮传动所组成。试按作用在同一轴上的两啮合分力方向相反的要求，确定并标注： (1)两个斜齿圆柱齿轮的螺旋线方向； (2)各轴转向； (3)齿轮2所受各啮合分力的方向。
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【简答题】关于标准化的管理原理的论述，正确的是() A结构状态良好的系统，不会由于外部环境的变化而向无序方向演化 B实践证明，标准系统的效应是多个标准系统互相协同的结果，这个效应低于标准个体效应的总和 C标准系统的存在和发展，仅仅依赖于其内部要素的互相作用 D在对标准系统实施的过程中，应不断协调彼此的关系，及时发现结构的不合并加以调整 E标准系统同环境的联系表现在它和环境之间的物质和信息的不断交换过程中
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【简答题】短文改错（满分10分） After I finished the school this year，I began to 91._________ look for work. Now several month later， I still didn't 92._________ find the job that I was interested. Last Sunday morning ...
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【单选题】下图所示传动系统由蜗杆传动和圆锥齿轮传动组成，已知输出轴上的锥齿轮4的转向n4。欲使中间轴上的轴向力能部分抵消，请回答以下问题。【图片】第1问：蜗轮2的轴向力和圆周力的方向为 。
A.
轴向力向右、圆周力向纸外
B.
轴向力向左、圆周力向纸内
C.
轴向力向右、圆周力向纸内
D.
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【简答题】阅读理解。 On my first trip in the United States, I went to San Antonio. I was on foot. So I went to only three places there: the Alamo, the River Walk, and the Art Gallery. I especially enjoyed visiting t...
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【简答题】完形填空。 When I was 14, my family went on our first trip to the United States. My uncle moved there several years ago to work in the 1 industry in California. Although we flew several times before. this ...
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【简答题】读一读，补全短文。 ate    sat    liked    had    watched    went    excited Last week, I had my first trip on an airplane. It was fun! I ___________ next to the window. I saw houses, parks, and swimming pools ...
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【单选题】听力原文： IRAN The Guardian Council said Friday that it had found no significant violations after 10 days of investigating the disputed June 12 presidential election. All three defeated candidates have pr...
A.
Rioters should be executed.
B.
There was no fraud in the election.
C.
More than 17 people died in the violence.
D.
Thousands of Iranians had visited Tehran's main cemetery.
查看完整题目与答案
【多选题】关于标准化的管理原理的论述，正确的是()
A.
实践证明，标准系统的效应是多个标准系统互相协同的结果，这个效应低于标准个体效应的总和
B.
在对标准系统实施的过程中，应不断协调彼此的关系，及时发现结构的不合并加以调整
C.
结构状态良好的系统，不会由于外部环境的变化而向无序方向演化
D.
标准系统的存在和发展，仅仅依赖于其内部要素的互相作用
E.
标准系统同环境的联系表现在它和环境之间的物质和信息的不断交换过程中
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【简答题】On my first trip in the United States , I went to San Antonion . I was on foot . So I went to only three places there : the Alamo , the River Walk , and the Art Gallery . I especially enjoyed visiting...
查看完整题目与答案