名词解释题RON

名词解释题
RON

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At sixteen Ron Mackie might have stayed at school, but the future called to him excitedly. Get out of the classroom into a job, it said, and Ron obeyed. His father, supporting the decision, found a place for him in a supermarket.You’re lucky, Ron, he said. For every boy with a job these days, there's a dozen without. So Ron joined the working world at twenty pounds a week.For a year he spent his days filing shelves with tins of food. By the end of that time he was looking back on his school-days as a time of great variety(多样性) and satisfaction. He searched for an interest in his work, with little success.One fine day instead of going to work Ron got a lift on a lorry going south. With nine pounds in his pocket, a full heart ad a great longing for the sea, he set out to make a better way for himself. That evening, in Bournemouth, he had a sandwich and a drink in a caf é run by an elderly man and his wife.Before he had finished the sandwich, the woman had taken him on for the restof the summer, at twenty pounds a week, a room upstairs and three meals a day. The ease and speed of it rather took Ron’s breath away. At quite times Ron had to check the old man’s arithmetic in the records of the business.At the end of the season, he stayed on the coast. He was again surprised how straightforward it was for a boy of 17 to make a living. He worked in shops mostly, but once he took a job in a hotel for 3 weeks. Late in October he was taken on by the sick manager of a shoe shop. Ron soon found himself in charge there; he was the only one who could keep the books.(1)Ron Jackie left school at sixteen because _______.A、his father made him leaveB、he didn't want to stay in schoolC、he was worried about the futureD、he could earn a lot of money in the supermarket(2)What did Ron’s father think about his leaving school?A、He thought his son was doing the right thing.B、He advised him to stay at school to complete his education.C、He was against it.D、He knew there was a job for every boy who wanted one.(3)After a year, Ron to realize that ________.A、he was interested in the jobB、his work at the supermarket was dullC、being at work was much better than going to schoolD、the store manager wanted to get rid of him(4)Ron left the supermarket because ______.A、he knew he would find work in BournemouthB、he took a job as lorry driverC、he gave up the job because he felt unwellD、he wanted to work at the seaside(5)Ron was able to take over the shoe shop because ________.A、he got on well with the manager thereB、he knew how to keep the accounts of the businessC、he had had experience of selling booksD、he was young and strong

抗爆指数(ONI)与同种汽油研究法辛烷值(RON)、马达法辛烷值(MON)之间的关系为()。A、ONI=MONB、ONI=RONC、ONI=(MON+RON)×2D、ONI=(MON+RON)/2

门电路输入端对地所接电阻R≥RON时,相当于此端()。A、接逻辑“1”B、接逻辑“0”C、接0.4V电压D、逻辑不定

GB17930车用汽油按辛烷值(RON)划分的牌号有()。 A、90#B、91#C、93#D、97#

异丁烷与____烷基化时,浓硫酸催化剂所得产品的RON明显比氢氟酸的高。A、异丁烯B、2-丁烯C、1-丁烯D、戊烯

汽油敏感性指的是汽油RON与MON的差值,敏感性越低越好。()

电力MOSFET的通态电阻Ron具有______的温度系数,并联使用时具有______的能力,因而___使用比较容易。

What has Ron Evans promised to do?A. Sign an agreementB. Buy the product from grocery chainsC. Sell the product to various outletsD. Introduce market segments

共用题干Finding a JobAt sixteen Ron Mackie might have stayed at school,but the future called to him excitedly.“Get out of the classroom into a job,”it said,and Ron obeyed.His father,supporting the dcci-sion,found a place for him in a supermarket.“You're lucky,Ron,”he said.“For every boy with a job these days,there's a dozen without.” So Ron joined the working world at twenty pounds a week.For a year he spent his days filling shelves with tins of food.By the end of that time he was looking back on his school days as a time of great variety and satisfaction.He searched for an in-terest in his work,with little success.One fine day instead of going to work Ron got a lift on a lorry going south.With nine pounds in his pocket,a full heart and a great longing for the sea,he set out to make a better way for him-self. That evening,in Bournemouth,he had a sandwich and a drink in a cafe run by an elderly man and his wife.Before he had finished the sandwich,the woman had taken him on for the rest of the summer,at twenty pounds a week,a room upstairs and three meals a day.The ease and speed of it rather took Ron's breath away.At quiet times Ron had to check the old man's arithme- tic in the records of the business.At the end of the season,he stayed on the coast. He was again surprised how straightforward it was for a boy of seventeen to make a living.He worked in shops mostly,but once he took a job in a hotel for three weeks.Late in October he was taken on by the sick manager of a shoe shop. Ron soon found himself in charge there;he was the only one who could keep the books.Ron was able to take over the shoe shop because______.A: he got on well with the manager thereB: he knew how to keep the accounts of the businessC: he had had experience of selling booksD: he was young and strong

共用题干Finding a JobAt sixteen Ron Mackie might have stayed at school,but the future called to him excitedly.“Get out of the classroom into a job,”it said,and Ron obeyed.His father,supporting the dcci-sion,found a place for him in a supermarket.“You're lucky,Ron,”he said.“For every boy with a job these days,there's a dozen without.” So Ron joined the working world at twenty pounds a week.For a year he spent his days filling shelves with tins of food.By the end of that time he was looking back on his school days as a time of great variety and satisfaction.He searched for an in-terest in his work,with little success.One fine day instead of going to work Ron got a lift on a lorry going south.With nine pounds in his pocket,a full heart and a great longing for the sea,he set out to make a better way for him-self. That evening,in Bournemouth,he had a sandwich and a drink in a cafe run by an elderly man and his wife.Before he had finished the sandwich,the woman had taken him on for the rest of the summer,at twenty pounds a week,a room upstairs and three meals a day.The ease and speed of it rather took Ron's breath away.At quiet times Ron had to check the old man's arithme- tic in the records of the business.At the end of the season,he stayed on the coast. He was again surprised how straightforward it was for a boy of seventeen to make a living.He worked in shops mostly,but once he took a job in a hotel for three weeks.Late in October he was taken on by the sick manager of a shoe shop. Ron soon found himself in charge there;he was the only one who could keep the books. Why did Ron Mackie leave school at sixteen?A: His father made him leave.B: He had reached the age when he had to leave.C: He left because he was worried about the future.D: He left because he wanted to start work.

共用题干Finding a JobAt sixteen Ron Mackie might have stayed at school,but the future called to him excitedly.“Get out of the classroom into a job,”it said,and Ron obeyed.His father,supporting the dcci-sion,found a place for him in a supermarket.“You're lucky,Ron,”he said.“For every boy with a job these days,there's a dozen without.” So Ron joined the working world at twenty pounds a week.For a year he spent his days filling shelves with tins of food.By the end of that time he was looking back on his school days as a time of great variety and satisfaction.He searched for an in-terest in his work,with little success.One fine day instead of going to work Ron got a lift on a lorry going south.With nine pounds in his pocket,a full heart and a great longing for the sea,he set out to make a better way for him-self. That evening,in Bournemouth,he had a sandwich and a drink in a cafe run by an elderly man and his wife.Before he had finished the sandwich,the woman had taken him on for the rest of the summer,at twenty pounds a week,a room upstairs and three meals a day.The ease and speed of it rather took Ron's breath away.At quiet times Ron had to check the old man's arithme- tic in the records of the business.At the end of the season,he stayed on the coast. He was again surprised how straightforward it was for a boy of seventeen to make a living.He worked in shops mostly,but once he took a job in a hotel for three weeks.Late in October he was taken on by the sick manager of a shoe shop. Ron soon found himself in charge there;he was the only one who could keep the books. What did Ron's father think about his leaving school?A: He thought his son was doing the right thing.B: He advised him to stay at school to complete his education.C: He did not like the idea,but he helped Ron to find work.D: He knew there was a job for every boy who wanted one.

视频高斯波形的产生采用()方法形成高斯脉冲。A、折线逼近B、EPROM读出数据,D/A变换C、RON读出数据,D/A变换D、一次成型

90#汽油质量指标对辛烷值的要求为()。A、RON90,(MON+RON)/285B、MON90,(MON+RON)/285C、MON80,(MON+RON)/290

正常操作中,提高反应温度对产品的影响有()。A、烯烃损失较多B、烯烃损失较少C、RON较高D、RON较低

下列对蒸汽压与辛烷值关系说法正确的有()。A、蒸汽压升高,辛烷值降低B、蒸汽压升高,辛烷值升高C、蒸汽压升高,RON降低D、蒸汽压升高,RON升高

内存用于存储程序和数据,可分为()和()。A、RAN、ROMB、ROM、RAMC、RAM、ROND、RON、RAN

什么叫MON、RON和抗爆指数?

下列选项中,具有较高的MON和RON,而且有高的调和辛烷值的是()A、丙烷B、丁烷C、正戊烷D、正己烷

汽油的MON和RON均随关蒸汽压的升高而()。

生产高辛烷值汽油的催化剂主要是使汽油中的()增加,从而获得较高的MON和RON。A、环烷烃B、烷烃C、异构烷烃D、烯烃

当汽油的蒸汽压升高后,汽油的RON会()。A、下降B、上升C、不变D、不确定

汽油抗爆指数是()A、RON+MONB、(RON+MON)/2C、2(RON+MON)D、3(RON+MON)

什么叫MON?什么叫RON?什么叫抗爆指数?

问答题测定辛烷值时,为什么有的燃料的辛烷值会大于100?为什么有的燃料的RONMON,而有的燃料却是RON

单选题_____ est un titre important de la littérature médiévale.ALe Roman de la RoseBLe Roman des lilasCDécaméronDHeptaméron

单选题Harry: I hear you are going to get married soon.  Ron: That’s right, next June. June 21st. Can you come to the wedding?  Harry: Oh! ________ That’s when we’re away on vacation.  Ron: Never mind, we’ll send you some wedding cake.AThat’s great!BWhat a pity!CYou have my deepest sympathy.DYou certainly can.