皮皮学，免费搜题
登录
搜题
【单选题】
当多个事务都在同时请求同一数据对象,使某个事务永远处于等待状态而得不到执行的现象称为( )。A.
等待
B.
活锁
C.
数据库文件
D.
死锁
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】These different forms of customs might seem strange to you, remember _____ you consider normal probably seems strange to others, though. [ ]
A.
that what
B.
what that
C.
that
D.
/
【简答题】I can't seem to ______ you that I love you and I'm not going to leave you! 我爱你，不会离开你，你怎么就不明白!
【单选题】“Would you mind me _______ here next to you?” “ ________. Because you seem to have a fever(发烧 ).”
A.
to sit; Better not
B.
sitting; Better not
C.
to sit; Not at all
D.
sitting; Not at all
【单选题】You seem to have a readymade answer ________ I ask you a question.
A.
whenever
B.
whatever
C.
whichever
D.
whoever
【判断题】地理信息系统（Geographic Information System或 Geo－Information system，GIS）有时又称为“地学信息系统”。
A.
正确
B.
错误
【单选题】What you are doing ______ very important in your work.
A.
seemed
B.
seems
C.
seem
D.
is to seem
【单选题】The digging will seem easier if you divide up the garden by marking ________ small sections with your spade (铲子). [ ]
A.
down
B.
up
C.
out
D.
with
【判断题】地理信息系统有时又称为“地学信息系统”。它是一种特定的十分重要的空间信息系统。它是在计算机硬、软件系统支持下,对整个或部分地球表层(包括大气层)空间中的有关地理分布数据进行采集、储存、管理、运算、分析、显示和描述的技术系统。( )
A.
正确
B.
错误
【单选题】You seem ___________. What are you____________?
A.
worries; worrying about
B.
worry; worried about
C.
worried; worrying about
D.
worried; worry about
相关题目：
【单选题】What you are doing ______ very important in your work.
A.
seemed
B.
seems
C.
seem
D.
is to seem
参考解析：
知识点：
题目纠错 0
发布
