首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Jackson: Viewed from a scientist’s standpoint, all of the energy contained in fuel either now or in the future becomes heat.
Jackson: Viewed from a scientist’s standpoint, all of the energy contained in fuel either now or in the future becomes heat.
admin
2022-09-23
29
问题
Jackson:
Viewed from a scientist’s standpoint, all of the energy contained in fuel either now or in the future becomes heat. Some of the heat is used directly or produces useful work. The rest is lost or rejected. That is to say, it is radiated into the atmosphere from the engines, motors, furnaces, power lines, television sets, boilers and all the other energy-consuming machinery that makes our wheels go around.
Browning:
It is necessary to improve the efficiency with which we use energy in order to do more work. But improvement cannot come overnight, and there are limits beyond which not even science can help. According to the Center for Strategic and International studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.
Jeffrey:
In terms of efficiency, buses, trains, and other forms of public transportation may be using energy more efficiently than private automobiles. Unless private automobiles can operate at near capacity, their overall efficiency is poor. For example, an urban bus carrying 36 passengers may achieve an efficiency of around 120 passenger-miles per gallon of gasoline. But buses are not always fully loaded, and sometimes they carry no passengers at all.
Vandenberg:
It is true that buses can sometimes run without passengers. City trains seem to be very efficient, but they suffer the same shortcomings as buses and cost more. Except for rush hours, commuter trains seldom run at full capacity. This wastes even more energy and is more than the management can afford. As a result, commuter trains are truly practical only in places where there are a lot of people.
Nathan:
For some people, mass transportation may serve their needs. For others, a combination of mass transportation and private transportation may be preferable. Better design and wise use of both mass transportation systems and private vehicles will play an important part in helping us make fuller use of energy for transportation.
Now match the name of each person to the appropriate statement.
Note: there are two extra statements.
[A] Public transportation is usually more energy-efficient.
[B] City trains and buses have different faults to overcome.
[C] The efficiency of the city train depends on the size of population.
[D] No fuel energy is fully used.
[E] A combined means of transport can help to increase energy efficiency
[F] Problems of energy loss can never be completely solved.
[G] Private cars usually run at full capacity.
Nathan
选项
答案
E
解析
Nathan明确提出了“Better design and wise use of both mass transportation systems and private vehicles will play an important part in helping US make fuller use of energy for transportation. ”,说明更好的设计和更明智的使用两者对我们在交通设施上充分利用交通能源来说至关重要,主张把公共交通设施和私人交通工具结合起来。因此E选项“联合运输工具可以帮助提高能源效率”符合文意,为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/NVNd777K
本试题收录于:
公共英语三级笔试题库公共英语(PETS)分类
0
公共英语三级笔试
公共英语(PETS)
相关试题推荐
Scientistsfindthathard-workingpeoplelivelongerthanaveragemenandwomen.Careerwomenare【C1】______thanhousewives.Evid
Scientistsfindthathard-workingpeoplelivelongerthanaveragemenandwomen.Careerwomenare【C1】______thanhousewives.Evid
Scientistsfindthathard-workingpeoplelivelongerthanaveragemenandwomen.Careerwomenare【C1】______thanhousewives.Evid
Readthetextsfromamagazinearticleinwhichfivepersonstalkedabouttheirattitudetohelpingthepeopleindevelopingcou
Whatisthemaintopicoftheconversation?
Readthetextsfromamagazinearticleinwhichfivepersonstalkedabouttheirattitudetohelpingthepeopleindevelopingcou
Whatcanbeinferredaboutthewomanwho’sspeaking?
InBritain,peoplehavedifferentattitudestothepolice.Mostpeoplegenerally【C1】______themandthejobtheydo—althoughther
Playistheprincipalbusinessofchildhood,andmoreandmoreinrecentyearsresearchhasshownthegreatimportanceofplayi
随机试题
关于公有制经济的说法,下列错误的是()。
Heshould_____towhathe’sgoodat,andnottryanddosomethingheknowsnothingabout.
下列各项,不属肺胀的特点是
甲公司2005年内,发生了如下事项:1.调整新的领导班子上任,决定精简内设机构,将会计部撤并到厂部办公室,同时任命办公室主任张某兼任会计负责人。撤并以后,会计主要工作重新分工如下:原会计部主办会计继续留任会计工作,原设备处工作人员、张某的女儿调任出
根据我国银监会制订的《商业银行风险监管核心指标》,其中流动性缺口的定义为()。
市场上有以甲公司股票为标的资产的欧式看涨期权和欧式看跌期权。每份看涨期权可买入1股股票,每份看跌期权可卖出1股股票;看涨期权每份价格5元,看跌期权每份价格3元;执行价格均为60元,到期日相同。如果到期日股票价格为64元,购入一份看涨期权同时购入一份看跌期权
筒述湿型脚气病的常见症状。
设向量组α1=(a,2,10)T,α2=(一2,1,5)T,α3=(一1,1,4)T,β=(1,6,c)T。试问:当a,b,c满足什么条件时β可由α1,α2,α3线性表出,但表示不唯一?并求出一般表达式。
Accordingtomyth,Rwanda’sancientlineofkingsdescendedfromamanwithsecretknowledge:Hecould【B1】______ordinaryrockin
基于以下描述:有关系模式R(A,B,C,D,E,F,G,H,I,J),根据语义有如下函数依赖集:F={ABD→E,AB→G,B→F,C→J,C→I,G→H}。关系模式R的码为()。A)(A,B,C,G
最新回复
(
0
)