计算不定积分:

题型:问答题

问题:

计算不定积分:

 

 

考点:教师招聘考试中学教师招聘笔试山西省平遥中教师公开招聘考试中学数学真题2011年
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若函数f(x)=|4-x2|的定义域为[a,b],值域为[0,2],定义区间[a,b]的长度为b-a,则区间[a,b]长度的最小值为______.

题型:问答题

Many scientists find that colors can change people’s feelings. It’s very interesting. Some colors can make people feel relaxed, and some colors can make people feel nervous. Now,this kind of knowledge is being used in many places. For example,school walls are always painted green because green makes students feel relaxed. It is also good for the students’ eyes. Some bookings they’ve learned from scientific studies. The color red makes people hungry. Many fast food restaurants have red furniture or walls. Soft colors like pink and light blue make people feel relaxed,so they spend more time eating. Loud music may be nices are also green or light blue for the same reason. Restaurant owners not only have to know how to make food,but also have to know how to make  money. Here are some   thi at first,but it soon makes people want to leave. Hard seats also make customers want to eat quickly and leave. Many restaurants,especially fast food restaurants, use this knowledge to make customers eat faster.

小题1:How does the color green make the students feel?

A.Hungry.

B.Nervous.

C.Angry.

D.Relaxed.小题2:How does the color red make most people feel?

A.Hungry.

B.Comfortable.

C.Excited.

D.worried.小题3:Which color isn’t mentioned in this passage?

A.Green.

B.White.

C.Light blue.

D.Red.小题4:What do many fast food restaurants do?

①Play loud music. ②Play soft music.

③Have hard seats. ④Paint their walls red.

A.①②③

B.①③④

C.①②④

D.②③④小题5:What’s the best title for this passage?

A.Color and restaurant.

B.Use color to make money.

C.Color and science.

D.Use color to change feelings.

题型:问答题

请简述DRNC820业务处理子系统的数据处理单元的实现单板,功能模块组成及作用

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内蒙古的优良牲畜品种是[ ]

A.三河马、三河牛

B.伊犁马、沙毛山羊

C.牦牛、荥经黄牛

D.东北细毛羊、滩羊

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企业应设置()账户核算包装物的收发、增减等情况。

A.“包装物”

B.“存货”

C.“原材料”

D.“物资采购”

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