首页
登录
职称英语
[originaltext]M: Hi Diana, mind if I sit down?W: Not at all, Jerry. How have y
[originaltext]M: Hi Diana, mind if I sit down?W: Not at all, Jerry. How have y
游客
2023-09-01
43
管理
问题
M: Hi Diana, mind if I sit down?
W: Not at all, Jerry. How have you been?
M: Good. But I’m surprised to see you on the city bus. Your car in the shop?
W: No. I’ve just been thinking a lot about the environment lately. So I decided the air will be a lot cleaner if we all use public transportation when we could.
M: I’m sure you are right. The diesel bus isn’t exactly pollution free.
W: True. But they’ll be running a lot cleaner soon. We were just talking about that in my environmental engineering class.
M: What’s the city gonna do? Install pollution filters of some sort on their buses?
W: They could, but those filters make the engines work harder and really cut down on fuel efficiency. Instead they found a way to make their engines more efficient.
M: How?
W: Well, there is a material called the confine oxide. It’s a really good insulator. And a thick coat of it get sprayed on the certain part of the engine.
M: An insulator?
W: Well, yeah. Actually, what it does is to reflect back the heat of burning fuel. So the fuel will burn much hotter and burn up more completely.
M: So a lot less unburned fuel comes out to pollute tile air, right?
W: Yeah, and the bus will need less fuel. So with the savings on fuel cost, they say this will all pay for itself in just six months.
M: Sounds like people should all go out and get some this stuff to spray their car engines.
W: Well, it’s not really that easy. You see, normally, the materials are fine powder. To melt it so you can spray a coat of it on the engine parts, you first have to heat it over 10,000 degrees and then, well, you get the idea. It’s not something you or I be able to do ourselves.
选项
A、A new fuel for buses.
B、The causes of air pollution.
C、A way to improve fuel efficiency in buses.
D、Careers in environmental engineering.
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2976500.html
相关试题推荐
[originaltext]WhenMidoriwastwoyearold,sheoftenclimbedontothepiano
[originaltext]Recently.amanwhowasalwaysi13goodhealth,spentaweek
[originaltext]Climateresearchersstilldonotagreeonwhethertheearth
[originaltext]W:I’mgoingtoleaveworkearlytoday.There’sadebatethiseve
[originaltext]W:I’mgoingtoleaveworkearlytoday.There’sadebatethiseve
[originaltext]W:I’mgoingtoleaveworkearlytoday.There’sadebatethiseve
[originaltext]M:Hello.W:Hello,John.Thisis.FlorenceRichardson.I’msorry
[originaltext]M:Hello.W:Hello,John.Thisis.FlorenceRichardson.I’msorry
[originaltext]M:Doyouhaveanyideawhathappenedtotheuser’smanualforth
[originaltext]M:Doyouhaveanyideawhathappenedtotheuser’smanualforth
随机试题
Helikesfinding______withothers,whichmakesthemveryangry.A、errorsB、shortc
A.continuallyB.wastedC.atthetopD.meansE.causesF.everything
砖基础防潮层位置宜在室内地面标高以下()。A.半皮砖 B.一皮砖 C.二皮
关于急性出血性坏死性小肠炎的临床特点,下列错误的是A.空肠或回肠广泛出血及坏死为
在青少年时期,摄入脂肪时应注意脂肪中饱和脂肪酸、单不饱和脂肪酸和多不饱和脂肪酸的
改革开放是党在新的时代条件下带领人民进行的新的伟大的革命,目的就是要(??)A.
建设工程施工许可证的申请主体是该工程的()。A、施工单位 B、建设单位 C、
教师的领导方式可分为()。 A.集权型B.开放型 C.民主型D.封闭型
患某,女,44岁,反复出现胃脘疼痛,呕吐酸水。今天吃了山楂片后出现胃脘疼痛明显,
老年男性患者,近2月来感头晕乏力,心悸不适来院检查,查体:贫血貌,皮肤干燥,指甲
最新回复
(
0
)