皮皮学，免费搜题
登录
搜题
【单选题】
学生表(学生ID,姓名,性别,系ID,系名),该表中学生ID为主键,系ID为外键,哪个字段不符合第三范式?
A.
姓名
B.
性别
C.
系ID
D.
系名
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】听力原文： When my first wartime Christmas came, I was in basic training in New Jersey. At that time I was not sure if I would make it home for the holidays. Only on the afternoon of December 23 did I see ...
查看完整题目与答案
【单选题】I ______ English in that school since I came to the city. [     ]
A.
have taught
B.
am teaching
C.
will teach
D.
taught
查看完整题目与答案
【简答题】完形填空。 I came to study in the US last fall. My life had been 1 since I arrived at Andover. Although I had several outside-class activities, I hadn't taken any official leadership position. This 2 chang...
查看完整题目与答案
【单选题】Ch oose the answer t ha t is closest in meaning to t he underlined word in the sentence . 1 . After the first visit , I came home laden with flats and pots and cardboard boxes .
A.
filled
B.
loaded
C.
charged
D.
left
查看完整题目与答案
【简答题】根据下表所示化学反应与数据关系： 请回答： (1)反应①是_____________（填“吸热”或“放热”）反应。 (2)写出反应③的平衡常数K 3 的表达式___________。 (3)根据反应①与②可推导出K 1 、K 2 与K 3 之间的关系，则K 3 = _________（用K 1 、K 2 表示）。 (4)要使反应③在一定条件下建立的平衡向逆反应方向移动，可采取的措施有_______...
查看完整题目与答案
【简答题】第五章讨论话题 讨论话题:通过第五章的学习,你认为“教育政策”与“教育法律”有什么不同吗? 一、讨论要点: 第一堂课讨论要点: (1)如何理解教育? (2)请结合我国的高考政策,谈一谈教育政策制定过程中需要注意的问题。 第二堂课讨论要点: (1)什么是教育法律呢?教育政策与教育法律有什么区别呢? (2)请联系实际谈一谈,教育政策与教育法律两者之间的关系。 [ 提示:讨论结束后,请同学们根据小组发言...
查看完整题目与答案
【单选题】听力原文：M: I came across our friend Michael last week in the street. He said he hadn' t heard from you for ages. W: Yes, I know. But I' ve been too busy to telephone him. Why does the man want to work in...
A.
He wants to learn more foreign language.
B.
He is not satisfied with his old job.
C.
He wants to be an English teacher.
D.
He needs more training in English teaching.
查看完整题目与答案
【单选题】____ in thought, he didn’t notice me when I came into his room.
A.
Burying
B.
Buried
C.
Put himself
D.
To be set
查看完整题目与答案
【简答题】完形填空 I came to study in the US last fall. My life had been quite 1 since I arrived at Andover. Although I had quite a few extracurricular (课外的) activities, I hadn’t taken any official leadership posit...
查看完整题目与答案
【简答题】（1）化学平衡常数K表示可逆反应的进行程度，K值越大，表示______ ______，K值大小与温度的关系是：温度升高，K值______ （填一定增大、一定减小、或可能增大也可能减小）． （2）在一定条件下，二氧化硫和氧气发生如下反应： 2SO 2 （g）+O 2 （g）?2SO 3 （g）△H＜0 ①写出该反应的化学平衡常数表达式 K=______． ②降低温度，该反应K值______，二氧化硫...
查看完整题目与答案
相关题目：
【简答题】听力原文： When my first wartime Christmas came, I was in basic training in New Jersey. At that time I was not sure if I would make it home for the holidays. Only on the afternoon of December 23 did I see ...
查看完整题目与答案
【单选题】I ______ English in that school since I came to the city. [     ]
A.
have taught
B.
am teaching
C.
will teach
D.
taught
查看完整题目与答案
【简答题】完形填空。 I came to study in the US last fall. My life had been 1 since I arrived at Andover. Although I had several outside-class activities, I hadn't taken any official leadership position. This 2 chang...
查看完整题目与答案
【单选题】Ch oose the answer t ha t is closest in meaning to t he underlined word in the sentence . 1 . After the first visit , I came home laden with flats and pots and cardboard boxes .
A.
filled
B.
loaded
C.
charged
D.
left
查看完整题目与答案
【简答题】根据下表所示化学反应与数据关系： 请回答： (1)反应①是_____________（填“吸热”或“放热”）反应。 (2)写出反应③的平衡常数K 3 的表达式___________。 (3)根据反应①与②可推导出K 1 、K 2 与K 3 之间的关系，则K 3 = _________（用K 1 、K 2 表示）。 (4)要使反应③在一定条件下建立的平衡向逆反应方向移动，可采取的措施有_______...
查看完整题目与答案
【简答题】第五章讨论话题 讨论话题:通过第五章的学习,你认为“教育政策”与“教育法律”有什么不同吗? 一、讨论要点: 第一堂课讨论要点: (1)如何理解教育? (2)请结合我国的高考政策,谈一谈教育政策制定过程中需要注意的问题。 第二堂课讨论要点: (1)什么是教育法律呢?教育政策与教育法律有什么区别呢? (2)请联系实际谈一谈,教育政策与教育法律两者之间的关系。 [ 提示:讨论结束后,请同学们根据小组发言...
查看完整题目与答案
【单选题】听力原文：M: I came across our friend Michael last week in the street. He said he hadn' t heard from you for ages. W: Yes, I know. But I' ve been too busy to telephone him. Why does the man want to work in...
A.
He wants to learn more foreign language.
B.
He is not satisfied with his old job.
C.
He wants to be an English teacher.
D.
He needs more training in English teaching.
查看完整题目与答案
【单选题】____ in thought, he didn’t notice me when I came into his room.
A.
Burying
B.
Buried
C.
Put himself
D.
To be set
查看完整题目与答案
【简答题】完形填空 I came to study in the US last fall. My life had been quite 1 since I arrived at Andover. Although I had quite a few extracurricular (课外的) activities, I hadn’t taken any official leadership posit...
查看完整题目与答案
【简答题】（1）化学平衡常数K表示可逆反应的进行程度，K值越大，表示______ ______，K值大小与温度的关系是：温度升高，K值______ （填一定增大、一定减小、或可能增大也可能减小）． （2）在一定条件下，二氧化硫和氧气发生如下反应： 2SO 2 （g）+O 2 （g）?2SO 3 （g）△H＜0 ①写出该反应的化学平衡常数表达式 K=______． ②降低温度，该反应K值______，二氧化硫...
查看完整题目与答案