皮皮学，免费搜题
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【单选题】
货运计量系统是以传感技术、信息技术等为支撑，以超偏载检测装置、轨道衡等计量安全检测设备为基础，通过总公司、铁路局、车站三级联网的统一软件监控管理平台，对（）进行实时计量安全检测监控、全程追踪和智能评判的信息系统。
A.
货车装载状态
B.
货车重量
C.
超偏载
D.
货车运行状态
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举一反三
【单选题】使用E-R图方法的三要素是()。
A.
实体，属性，主键
B.
实体，域，候选码
C.
实体，属性，联系
D.
实体，键，联系
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【简答题】Some College Students Are Angry That They Have to Pay to Do Their Homework [A ] Digital learning systems now charge students for access codes needed to complete coursework, take quizzes, and turn in h...
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【简答题】阅读短文，看表格，完成下列各题。 There are forty-eight students in my class. Some students go to school on foot. Some students go to school by bike. Some students go to school by bus. Some students go to school by su...
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【简答题】完形填空。 In North American, most students go to school on the school bus. Some students also walk or ride bikes to school. In 1 parts of the world, things are different. In Japan, most students take trai...
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【单选题】一般认为，法的三要素是指法律原则，法律规则和 ( )。
A.
法律关系
B.
法律权利
C.
法律制裁
D.
法律概念
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【单选题】硝酸甘油抗心绞痛的机制主要是
A.
选择性扩张冠脉，增加心肌供血
B.
阻断β受体，降低心肌耗氧量
C.
减慢心率，降低心肌耗氧量
D.
扩张动脉和静脉，降低耗氧量
E.
扩张冠状动脉和侧支血管，改善局部缺血
F.
抑制心肌收缩力，降低心肌耗氧量
查看完整题目与答案
【简答题】How do you make friends? Some students are sharing their ideas with us. Tom Although we are quite different, Adam and I have been close friends for 5 years. We have a lot to talk. We play basketba...
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【单选题】三要素法的三要素指的是那三要素
A.
振幅、频率、初相位
B.
频率、周期、初相位
C.
角频率、周期、频率
D.
初始值、稳态值和时间常数
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【单选题】Some students often go to class late or not at all. They want to “enjoy life” and muddle through the four years at college. These examples of the abuse of independence are an indication that these stu...
A.
childhood
B.
adolescence
C.
adulthood
D.
youth
查看完整题目与答案
【单选题】E-R方法的三要素是 ______。
A.
实体、属性、实体集
B.
实体、码、联系
C.
实体、属性、联系
D.
实体、域、码
查看完整题目与答案
相关题目：
【单选题】使用E-R图方法的三要素是()。
A.
实体，属性，主键
B.
实体，域，候选码
C.
实体，属性，联系
D.
实体，键，联系
查看完整题目与答案
【简答题】Some College Students Are Angry That They Have to Pay to Do Their Homework [A ] Digital learning systems now charge students for access codes needed to complete coursework, take quizzes, and turn in h...
查看完整题目与答案
【简答题】阅读短文，看表格，完成下列各题。 There are forty-eight students in my class. Some students go to school on foot. Some students go to school by bike. Some students go to school by bus. Some students go to school by su...
查看完整题目与答案
【简答题】完形填空。 In North American, most students go to school on the school bus. Some students also walk or ride bikes to school. In 1 parts of the world, things are different. In Japan, most students take trai...
查看完整题目与答案
【单选题】一般认为，法的三要素是指法律原则，法律规则和 ( )。
A.
法律关系
B.
法律权利
C.
法律制裁
D.
法律概念
查看完整题目与答案
【单选题】硝酸甘油抗心绞痛的机制主要是
A.
选择性扩张冠脉，增加心肌供血
B.
阻断β受体，降低心肌耗氧量
C.
减慢心率，降低心肌耗氧量
D.
扩张动脉和静脉，降低耗氧量
E.
扩张冠状动脉和侧支血管，改善局部缺血
F.
抑制心肌收缩力，降低心肌耗氧量
查看完整题目与答案
【简答题】How do you make friends? Some students are sharing their ideas with us. Tom Although we are quite different, Adam and I have been close friends for 5 years. We have a lot to talk. We play basketba...
查看完整题目与答案
【单选题】三要素法的三要素指的是那三要素
A.
振幅、频率、初相位
B.
频率、周期、初相位
C.
角频率、周期、频率
D.
初始值、稳态值和时间常数
查看完整题目与答案
【单选题】Some students often go to class late or not at all. They want to “enjoy life” and muddle through the four years at college. These examples of the abuse of independence are an indication that these stu...
A.
childhood
B.
adolescence
C.
adulthood
D.
youth
查看完整题目与答案
【单选题】E-R方法的三要素是 ______。
A.
实体、属性、实体集
B.
实体、码、联系
C.
实体、属性、联系
D.
实体、域、码
查看完整题目与答案