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【单选题】
历史上,72位帝王先后在泰山封禅,唯有选择下列哪座名山礼祭封禅?( )
A.
南岳衡山
B.
西岳华山
C.
山西五台山
D.
中岳嵩山
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【单选题】大小车轮宜用的材料是()。
A.
ZG25的铸钢
B.
ZG55的铸钢
C.
铸铁
D.
锻钢
【单选题】与连杆机构相比,凸轮机构的最大缺点是
A.
点、线接触,易磨损。
B.
设计较为复杂。
C.
惯性力难以平衡。
D.
不能实现间歇运动。
【简答题】Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or “texting” is becoming very p__1__. But scientists have p__2__ that texting can give us problems with...
【单选题】-Do you have Nokia E72 mobile? -Sorry, they have been ________. You may come next week.
A.
given out
B.
looked out
C.
sold out
D.
come out
【单选题】与连杆机构相比,凸轮机构的最大缺点是
A.
惯性力难以平衡
B.
点、线接 触,易磨损
C.
设计较为复杂
D.
不能实现间歇运动
【简答题】查询D:\ZG\ZGDA.DBF中的姓名、职称、工资字段和D:\ZG\ZGJJ.DBF中的奖金字段的数据,正确的命令是( )A. SELECT  姓名,职称,工资,奖金  FROM  D:\ZG\ZGDA,D:\ZG\ZGJJ   WHERE DA.编号==JJ.编号 B. SELECT  DA.姓名,DA.职称,DA.工资,JJ.奖金  FROM  D:\ZG\ZGDA  DA,D:\ZG\Z...
【简答题】阅读理解。 Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or 'texting' is becoming very popular. But, scientists have discovered that texting can give us p...
【单选题】打开D:\ZG\JJ.QPR 查询文件,正确的命令是( )
A.
MODIFY  QUERY  JJ
B.
MODIFY  JJ.QPR
C.
MODIFY  QUERY  D:\ZG\JJ
D.
MODIFY  D:\ZG\JJ.QPR
【简答题】Do you have a mobile phone? Do you often send text messages (短信) to your friends or family? If you keep sending text messages over and over again, there may be something wrong with your fingers. 小题1: ...
【简答题】- What type of mobile phone do you want to have? Something big? - Well, it _______ be big - that's not important. A mustn't      B. needn't         C. can't           D. won't
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