皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
从E-R图导出关系模式时,如果两实体间的联系是m:n,下列说法中正确的是( )。
A.
将m端的码和联系的属性放到n端的属性中
B.
将n端码和联系的属性放到m端的属性中
C.
在m端属性和n端属性中均增加一个表示级别的属性
D.
增加一个关系表示联系，其中放入m端和n端的码
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】What does the woman offer to do?
A.
Clean the office.
B.
Pick up the man's son.
C.
Finish the man's work.
查看完整题目与答案
【单选题】患者,李某。半月前外出时被类犬咬伤,伤口较深。1天前愈合的伤口附近出现麻木,蚁走感,对声、光、风等刺激极度敏感。入院诊断为狂犬病,该患者处于
A.
前驱期
B.
兴奋期
C.
麻痹期
D.
恢复期
E.
躁狂期
查看完整题目与答案
【单选题】当光标位于文档未端时，下列组合键中能够选定整篇文档的是( )
A.
Ctrl+Shift+End
B.
Ctrl+Shift+Home
C.
Ctrl+A
D.
Ctrl+Alt+A
查看完整题目与答案
【单选题】桑塔纳2000型轿车点火系的点火信号发生器为( )式。
A.
磁感应
B.
霍尔
C.
光电
D.
脉冲
查看完整题目与答案
【单选题】当光标位于文档未端时,下列组合键中能够选定整篇文档的( )
A.
Ctrl+Shift+End
B.
Ctrl+Shift+Home
C.
Ctrl+A
D.
Ctrl+Alt+A
查看完整题目与答案
【单选题】Woman: Do you like the course we're taking? Man: It's beyond me. Question: What does the man mean?
A.
He feels comfortable with the course.
B.
He doesn't like the course.
C.
He can't understand the course.
D.
He doesn't want to answer the question.
查看完整题目与答案
【判断题】经常锻炼可使心肌收缩力加强,每次心跳可搏出更多的血液
A.
正确
B.
错误
查看完整题目与答案
【单选题】What prevents the man from taking the poets of 1960s course?
A.
It is only open to poetry majors.
B.
It requires another course first.
C.
It's already full.
D.
It's only offered in the morning.
查看完整题目与答案
【单选题】促进血管升压素(抗利尿激素)释放的因素是:
A.
血浆胶体渗透压升高
B.
血浆晶体渗透压升高
C.
血浆胶体渗透压下降
D.
血浆晶体渗透压下降
E.
动脉血压升高
查看完整题目与答案
【简答题】听力 1. What does the woman mean? A. The scene is so beautiful. B. The man’s eyesight is poor. C. The man talks too much. 2. What does the man advise the woman to do? A. Go out for a walk. B. Dance disc...
查看完整题目与答案
相关题目：
【单选题】What does the woman offer to do?
A.
Clean the office.
B.
Pick up the man's son.
C.
Finish the man's work.
查看完整题目与答案
【单选题】患者,李某。半月前外出时被类犬咬伤,伤口较深。1天前愈合的伤口附近出现麻木,蚁走感,对声、光、风等刺激极度敏感。入院诊断为狂犬病,该患者处于
A.
前驱期
B.
兴奋期
C.
麻痹期
D.
恢复期
E.
躁狂期
查看完整题目与答案
【单选题】当光标位于文档未端时，下列组合键中能够选定整篇文档的是( )
A.
Ctrl+Shift+End
B.
Ctrl+Shift+Home
C.
Ctrl+A
D.
Ctrl+Alt+A
查看完整题目与答案
【单选题】桑塔纳2000型轿车点火系的点火信号发生器为( )式。
A.
磁感应
B.
霍尔
C.
光电
D.
脉冲
查看完整题目与答案
【单选题】当光标位于文档未端时,下列组合键中能够选定整篇文档的( )
A.
Ctrl+Shift+End
B.
Ctrl+Shift+Home
C.
Ctrl+A
D.
Ctrl+Alt+A
查看完整题目与答案
【单选题】Woman: Do you like the course we're taking? Man: It's beyond me. Question: What does the man mean?
A.
He feels comfortable with the course.
B.
He doesn't like the course.
C.
He can't understand the course.
D.
He doesn't want to answer the question.
查看完整题目与答案
【判断题】经常锻炼可使心肌收缩力加强,每次心跳可搏出更多的血液
A.
正确
B.
错误
查看完整题目与答案
【单选题】What prevents the man from taking the poets of 1960s course?
A.
It is only open to poetry majors.
B.
It requires another course first.
C.
It's already full.
D.
It's only offered in the morning.
查看完整题目与答案
【单选题】促进血管升压素(抗利尿激素)释放的因素是:
A.
血浆胶体渗透压升高
B.
血浆晶体渗透压升高
C.
血浆胶体渗透压下降
D.
血浆晶体渗透压下降
E.
动脉血压升高
查看完整题目与答案
【简答题】听力 1. What does the woman mean? A. The scene is so beautiful. B. The man’s eyesight is poor. C. The man talks too much. 2. What does the man advise the woman to do? A. Go out for a walk. B. Dance disc...
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题