【单选题】【消耗次数：1】
_________ no money, we could do nothing.
①
Having
②
Had
③
Have
④
Losing
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相关题目
【单选题】
Not only ______ our money, but we were also in danger of losing our lives.
①
we lost
②
lost we
③
we did lose
④
did we lose
【单选题】
We will be losing money this year unless new economic plan of yours _____miracle
①
is working
②
works
③
will be working
④
worked
【单选题】
We will be losing money this year unless that new
economic plan of yours ____ miracle.
①
is working
②
works
③
will be working
④
worked
【单选题】
Sandy could do nothing but _______ to his teacher that he was wrong.
①
admit
②
admitted
③
admitting
④
to admit
【单选题】
When the girl heard the news, she could do nothing but ______ back home.
①
going
②
went
③
to go
④
go
【单选题】
We could ask someone to do the work privately without it __________.
①
know
②
be known
③
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④
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【单选题】
The question came up at the meeting ___ we had enough money for our research.
①
that
②
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③
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④
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随机题目
【多选题】
一个关系模式规范到BCNF，必须消除（ ）。
①
A.非主属性对键的部分函数依赖
②
B.非主属性对键的传递函数依赖
③
C.主属性对键的部分和传递函数依赖
④
D.非主属性对键的完全函数依赖
【多选题】
若两个实体之间的联系是1:m，则实现1:m联系的方法是（ ）。
①
A.将“m”端实体的码和联系的特有属性中加入“1”端的实体关系模式中
②
B.将“1”端实体的码和联系的特有属性中加入“m”端的实体关系模式中
③
C.将两端实体的码和联系的特有属性分别加入对方的关系模式中
④
D.将两端实体的码和联系的特有属性放入一个独立的关系模式中
【单选题】
学生表(id，name，sex，age，depart_id，depart_name)，存在的函数依赖是id→{name，sex，age，depart_id};dept_id→dept_name，其满足（ ）。
①
A.1NF
②
B.2NF
③
C.3NF
④
D.BCNF