皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【判断题】
用户登录后,如果想要操作数据库,还必须有一个数据库用户账号,然后为这个数据库用户设置某种角色,进行相应的操作
A.
正确
B.
错误
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
【多选题】以下属于气相色谱常用载气的是()
A.
氮气
B.
氢气
C.
氧气
D.
乙炔气
【单选题】听力原文: Psychologists believe that our dreams can often give us interesting information about ourselves, if we will take the time to look at them seriously. On the simplest level, dreams can make us awa...
A.
That she was vacuuming her apartment.
B.
That she was very happy.
C.
That she was hitting her husband with a household appliance.
D.
That her husband attacked her with a vacuum cleaner.
【简答题】The reasons for a person’s becoming an alcoholic have often been debated by psychologists and other scientists. But recent studies suggest that the problem of alcoholism(酒精中毒) should also be the focus...
【单选题】下面关于switch语句的描述正确的是_________。
A.
default子句是可以省略的
B.
每个case子句都必须包含break语句
C.
至少一个case子句必须包含break语句
D.
case子句的数目不能超过10个
【简答题】阅读理解。 The reasons for a person's becoming an alcoholic have often been debated by psychologists and other scientists. But recent studies suggest that the problem of alcoholism (酒精中毒) should also be th...
【简答题】Psychologists often disagree about the ______ childhood friendships like this one have on the development of kids’personalities.
【单选题】下面关于switch语句的描述正确的是_________.
A.
default语句可以省略
B.
每个case都必须包含break语句
C.
至少一个case必须包含break语句
D.
case的个数不能超过10个
【单选题】下面关于switch语句的描述正确的是
A.
default子句可以省略
B.
每一个case子句都必须包含break语句
C.
至少一个case子句必须要包含break语句
D.
case子句数目不能超过10个
【单选题】下面关于switch语句的描述正确的是
A.
default子句可以省略
B.
每个case子句都必须包含break语句
C.
至少一个case子句必须包含break语句
D.
case子句的数目不能超过10个
【简答题】铸铁受压破坏时断面与轴线大致成()度的倾角,是由()应力造成的。
相关题目:
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