【单选题】【消耗次数：1】
She_______ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
参考答案：
复制
纠错
相关题目
【单选题】
She ________ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She ___ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
Before she left to have a holiday, she_______ hard.
①
worked
②
has worked
③
had worked
【单选题】
She had made many ( ) into the quality of the computer before buying one.
①
inquiry
②
inquiries
③
search
④
research
【单选题】
She has breakfast at seven everyday, _____?
①
has she
②
hasn’ t she
③
does she
④
doesn’ t she
【单选题】
She was so _____ in her job that she didn’t hear someone knocking at the door.
①
attracted
②
drawn
③
absorbed
④
concentrated
随机题目
【简答题】
系统总体设计阶段的图形化表达工具为[填空1]。
【简答题】
在判断表的使用过程中，正确而恰当地分析条件及其取值是相当关键的。其中，取值的划分不重复、不遗漏，即为“[填空1]”。
【简答题】
描述管理信息系统的计算机及其网络硬件组成、联结方式的结构，被称为[填空1]结构。
【简答题】
数据流程图中的数据存储用来指明数据保存的地方，并非物理地址，而是数据库的[填空1]描述。
【简答题】
信息系统是满足管理人员解决问题和做出[填空1]所需各种信息的系统。
【简答题】
总体规划的时机应选择在诺兰阶段模型中的控制阶段和[填空1]阶段之间。
【简答题】
按照系统的抽象程度，可将其分为概念系统、[填空1]和物理系统三类。
【简答题】
信息系统相较于一般系统，多出的三个组成部分为人员、数据和[填空1]。
【简答题】
产品对象专业化优缺点？
【简答题】
生产运作管理的目标是什么？