【单选题】【消耗次数：1】
订房核对工作一般分几次进行？
①
1
②
2
③
3
④
4
参考答案：
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相关题目
【单选题】
应用最广泛、最为有效，预订服务人员和宾客之间能进行直接沟通，迅速传递双方信息，及时回复和确认宾客订房要求的订房方式属于___
①
电话订房
②
面谈订房
③
网络订房
④
口头订房
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B等于：[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则求差关系A-B。
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则对称差关系A⊕B等于：[填空1]
【判断题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则并关系A∪B的定义域dom(A∪B)等于：{1,2,3,4}。
①
正确
②
错误
【单选题】
工程经济分析一般步骤是（）=1\*GB3①确定目标；=2\*GB3②穷举方案；=3\*GB3③寻找关键要素；=4\*GB3④决策；=5\*GB3⑤评价方案
①
=1\*GB3①=3\*GB3③=2\*GB3②=5\*GB3⑤=4\*GB3④
②
=2\*GB3②=1\*GB3①=3\*GB3③=4\*GB3④=5\*GB3⑤
③
=1\*GB3①=3\*GB3③=2\*GB3②=4\*GB3④=5\*GB3⑤
④
=2\*GB3②=1\*GB3①=3\*GB3③=5\*GB3⑤=4\*GB3④
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，求交关系A∩B的值域ran(A∩B)。
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B的值域ran(A∩B)等于：[填空1]
随机题目
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What do you think _____solve the problem ?
①
you can do
②
can you do
③
you can do to
④
can you do to
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We need fifteen more people _____our team to do the job.
①
but
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except
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as well
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besides
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He ________ Alice for ten years.
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married to
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has married to
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has married
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has been married to
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Don’t forget the day ______you were received into the Youth League.
①
when
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at which
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---Are you going there with them ? ----If you go,__________.
①
I also go
②
so do I
③
so I will
④
so will I
【单选题】
_____your help, everything in the room is in good order now.
①
Since
②
Because
③
Thanks for
④
Thanks to
【单选题】
All the apples _____ fell down were eaten by the pigs.
①
those
②
which
③
what
④
that
【单选题】
Would you like to ______us in our discussion.
①
take part in
②
join
③
taking part in
④
joining