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【单选题】
国内航班般在航班离站时间前的()分钟,航空公司值机柜台停止办理乘机手续。A.
A 30
B.
40
C.
50
D.
60
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举一反三
【单选题】若将如下E-R模型转换为关系模式,则下列说法中正确的是( )。
A.
设计一个职员关系，将部门的所有属性放到职员关系中
B.
设计一个部门关系，将职员的所有属性放到部门关系中
C.
设计部门和职工两个关系，将职员的主码加入到部门关系中
D.
设计部门和职工两个关系，将部门的主码加入到职员关系中
【单选题】She ________ the national table tennis team in 1988.
A.
joins
B.
joined
C.
took part in
D.
took part
【简答题】预制钢筋混凝土装配式楼板有哪几种类型？各有何特点？
【单选题】— Jack! You are wet through. Didn't you listen to the weather report this morning? — No, I didn't. I was in a hurry. Besides, it ______ when I left. [ ]
A.
was raining
B.
wasn't raining
C.
would rain
D.
Hadn't rained
【简答题】One year ago, I traveled 15,000 kilometers from Australia to the US. I am from a beachside town in the ____ of Sydney, and thought there would be almost no ____ differences between my home count...
【单选题】The upper part of him that would show above the table would ________ no doubt in the mind of the waiter.
A.
rise
B.
arise
C.
arouse
D.
awake
【简答题】第一产程从有 开始,至 ,初产妇约需要 ~ 小时,经产妇 ~ 小时。
【简答题】Part B Below is a table showing the growth in the number of people who prefer to travel abroad in your city between 1998 and 2008. Look at the table and write an essay of about 120 words refere...
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