一个三位小数用“四舍五入”的方法取近似值得到的结果是5.40,这个三位小数最大是

题型:填空题

问题:

一个三位小数用“四舍五入”的方法取近似值得到的结果是5.40,这个三位小数最大是______,最小是______.

考点:求小数的近似值
题型:填空题

Beautiful cars surrounded by even more beautiful models—it’s no secret why the 2012 Beijing Auto Show was popular.

The exhibition was held between April 23 and May 2.Although renowned companies showed off their top models,it wasn’t just their expensive sports cars that grabbed people’s attention.

Concept cars are a way for designers to test out their ideas on the public with complete freedom.They can try out cars with special features that could not be massively(批量)produced easily.

Designers don’t have to follow industry rules;they don’t even need to worry about whether their cars would be followed on the roads.

At the Beijing Auto Show,the@Ant by Chery was one concept car to draw a lot of attention.China Daily called it‘‘the very definition of a concept car”.

The vehicle is powered by electricity and is capable of driving itself.But the magic doesn’t end there.

The@Ant was inspired by actual ants.According to Car News China,with the help of automated telemetric systems,@Ants are able to“see” other@Ants and compare  destination information. If two are heading the same way for a while, the vehicles connect, with one car’s rear (后面的)wheels matching up with the front wheels of another car.Up to 10@Ants can be put together and will automatically connect to form a“train".This  will help save energy while traveling, as well reducing traffic jams.

The car sounds like a great idea.Further research will be needed to turn this concept  car into something for the market,but concepts like Cherry’s  show how carmakers are  working for cleaner and greener vehicles.It’s like what the@Ant motto says,“Exploring future human beings’lifestyles”.

小题1:The concept car is getting popular because         .

A.it looks like an ant

B.it is beautifully designed

C.it is exhibited as a top model

D.it conveys a new idea for the future小题2:How can the@Ants help save energy while travelling according to the passage?

A.By connecting each other and running together

B.By driving themselves without man’s control

C.By comparing their destination information

D.By reducing traffic jams on the roads小题3:What the designers of the concept car need to do at the Auto Show is         .

A.to test the safety of the concept car

B.to follow the rules in the car industry

C.to show their unique idea of complete freedom

D.to see if concept cars can be massively produced小题4:The best title of the passage is         .

A.Concept Cars Are Driving to the Future

B.The@Ant Draws a Lot of Attention

C.The@Ant Is a Top Model of Concept Cars

D.Concept Cars Are Cleaner and Greener

题型:填空题

脓液恶臭.普通细菌培养阴性的是()。

A.大肠杆菌

B.拟杆菌

C.绿脓杆菌

D.溶血性链球菌

E.金黄色葡萄球菌

题型:填空题

关系模型允许定义3类数据约束,下列不属于数据约束的是()。

A.实体完整性约束

B.参照完整性约束

C.域完整性约束

D.用户自定义的完整性约束

题型:填空题

诊断反流性食管炎最准确的方法是

A.食管吞钡X线检查

B.食管滴酸试验

C.食管测压

D.食管24/小时pH监测

E.食管内镜检查

题型:填空题

对于中国涉外仲裁机构作出的仲裁裁决书,由于被执行人或者被执行的财产不在中国境内,需要到外国申请执行该仲裁裁决的,应当遵循下述程序( )。

A.应当由当事人直接到该外国,向有关部门申请执行该仲裁裁决书

B.应当由仲裁委员会向外国的有关机构申请执行该仲裁裁决书

C.应当由仲裁庭所在地的中级人民法院向外国的有关机构申请执行该仲裁裁决书

D.应当由当事人先向我国外交部门提出申请,再由我国外交部门向有关的外国机构申请执行该仲裁裁决书

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