皮皮学,免费搜题
登录
搜题
【多选题】
删除计算机系学生(在 student 表中)的修课记录(在 SC 表中)的正确的语句是( )
A.
DELETE FROM SC JOIN Student b ON S.Sno = b.Sno WHERE Sdept = ' 计算机系 '
B.
DELETE FROM SC FROM SC JOIN Student b ON S
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
【单选题】He often surfs the Internet for________
A.
interesting
B.
industry
C.
innovation
D.
information
查看完整题目与答案
【简答题】听录音,看图然后填空。 1. I often _____________ _____________ on _____________. 2. He often _____________ _____________ on _____________. 3. I often _____________ _____________ _____________ on _____________. 4....
查看完整题目与答案
【单选题】8只共阳数码管的字型码端a~dp分别对应相连接入单片机P0口,假设从P0口输出0x80,则
A.
只有第一只数码管得到4的字型码
B.
所有数码管得到4的字型码
C.
只有第一只数码管得到8的字型码
D.
所有数码管得到8的字型码
查看完整题目与答案
【单选题】It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.
A.
不填; that
B.
what; that
C.
that; that
D.
that; what
查看完整题目与答案
【单选题】I know what's going on with him because ______.
A.
he often visits me
B.
I often telephone him
C.
he writes to me now and then
D.
I live not far from him
查看完整题目与答案
【单选题】He’ businesslike and is often _______. I hope he will have more ______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
查看完整题目与答案
【单选题】若将一TTL异或门(输入端为A,B)当作反相器使用,则A,B端应按( )连接。
A.
A或B中有一个接1
B.
A或B中有一个接0
C.
A和B并联使用
D.
不能实现
查看完整题目与答案
【判断题】A0对应相连。
A.
正确
B.
错误
查看完整题目与答案
【单选题】第一次国共合作正式形成的标志是( )。
A.
黄埔军校的成立
B.
北伐战争的开始
C.
中共“三大”的召开
D.
1924年国民党“一大”的召开
查看完整题目与答案
【单选题】He is businesslike and is often _______. I hope he will have more _______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
查看完整题目与答案
相关题目:
【单选题】He often surfs the Internet for________
A.
interesting
B.
industry
C.
innovation
D.
information
查看完整题目与答案
【简答题】听录音,看图然后填空。 1. I often _____________ _____________ on _____________. 2. He often _____________ _____________ on _____________. 3. I often _____________ _____________ _____________ on _____________. 4....
查看完整题目与答案
【单选题】8只共阳数码管的字型码端a~dp分别对应相连接入单片机P0口,假设从P0口输出0x80,则
A.
只有第一只数码管得到4的字型码
B.
所有数码管得到4的字型码
C.
只有第一只数码管得到8的字型码
D.
所有数码管得到8的字型码
查看完整题目与答案
【单选题】It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.
A.
不填; that
B.
what; that
C.
that; that
D.
that; what
查看完整题目与答案
【单选题】I know what's going on with him because ______.
A.
he often visits me
B.
I often telephone him
C.
he writes to me now and then
D.
I live not far from him
查看完整题目与答案
【单选题】He’ businesslike and is often _______. I hope he will have more ______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
查看完整题目与答案
【单选题】若将一TTL异或门(输入端为A,B)当作反相器使用,则A,B端应按( )连接。
A.
A或B中有一个接1
B.
A或B中有一个接0
C.
A和B并联使用
D.
不能实现
查看完整题目与答案
【判断题】A0对应相连。
A.
正确
B.
错误
查看完整题目与答案
【单选题】第一次国共合作正式形成的标志是( )。
A.
黄埔军校的成立
B.
北伐战争的开始
C.
中共“三大”的召开
D.
1924年国民党“一大”的召开
查看完整题目与答案
【单选题】He is businesslike and is often _______. I hope he will have more _______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
查看完整题目与答案