plastics是复数形式但用作单数的词,真的么?

lovepp05262022-10-04 11:39:543条回答

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吹吧吹吧 共回答了21个问题 | 采纳率90.5%
你说的plastics不是plastic的复数,他是一个不可数名词,指塑胶业
1年前
龙马王子 共回答了69个问题 | 采纳率
plastics:泛指塑料
没错
1年前
惟色 共回答了21个问题 | 采纳率
不是
plastic 就是单数,而且它没有复数的,是不可数名词。
1年前

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( C )9.Plastics can’t steel completely.
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C对
A 后不能接名词
B 是副词,不能用在情态动词后
D 发生,不是取代
SAT 语法In the United States,the industrial use of plastics is
SAT 语法
In the United States,the industrial use of plastics is greater( than steel),aluminum,and copper combined.No error.括号怎么错了?
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than用作介词,意为比较,且比较的事物应为一类事物,如该句,应该是塑料的工业用途比钢的用途更广,是两个事物的用途之间比较,而不能把塑料的工业用途直接与钢相比较,不合逻辑
应该是the industrial use of plastibs is greater than that of steel.
Greetings from Boston Plastics!Thank you for sending us your
Greetings from Boston Plastics!Thank you for sending us your resume.
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来自波士顿塑料的问候.
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i was told that some biks are made of plastics instead of steel
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我听说,有些自行车是用塑料而不是用钢做的.
请区分一下plastic 和plastics
请区分一下plastic 和plastics
These spoons are made of plastic.
many things are made of plastics .
看过这样的例子.更分不清这两个词了.难道能通用?
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plastic.是做形容词和名词词性,做形容词是塑料的/可塑的:做名词是塑料制品/整形.不过一般做形容词性比较多.
plastics只做名词,可译成塑料,整形外科,塑胶,塑料制品等.
These spoons are made of plastic.汤勺是用塑料的制品做成的,强调汤勺的制作特性是塑料的,做形容词使用.
many things are made of plastics .许多的物品由塑胶制成,强调物品的制作材料是塑料,做名词使用.
People often use plastics to ______ wood or metal. A.in plac

People often use plastics to ______ wood or metal.
A.in place of B.take their place C.take the place of D.instead of
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C

短语辨析。A. 代替 B. 就做 C.代替 D. 代替。句意:人们经常用塑料代替木头和金属。To是不定式符号,后面只能接动词,故选C。
furnishings,belongings,plastics作主语的句子,谓语动词是该用单数,还是复数.请分别给出原因
furnishings,belongings,plastics作主语的句子,谓语动词是该用单数,还是复数.请分别给出原因
如能回答,
furnishings与furniture有什么区别吗?plastics的意思是什么呢?belongings是所有物的意思吗
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furnishings,belongings谓动为复数,因为他们本身是复数名词,
furnishings有设施,设备,家具,室内陈设的意思
而furniture一般就是家具的意思
belongings 财产,所有物
plastics是“整形外科;外科修补术”意思时,谓动为为单数
plastics为“塑料”的意思时,谓动为复数
Plastics don't rust like metal.塑胶不像金属那样会生锈.
Plastics can not____steel completeLy A.instead B.instead of
Plastics can not____steel completeLy A.instead B.instead of C.take the place of D.take place
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C 代替
CAN 后接动词原形
英语选择题Rubber differs from plastics ( ) it is produced natural
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C、for that D、with that
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答案:B
in that
我英语专业毕业,TEM8
选项C很有迷惑性,很多人看到“for”就会理解为“因为”,也正是此题的考点.
但是for that根本不算是固定短语搭配
With the advances of technology, plastics have taken the pla
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[ ]

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A
30._________ plastics,the machine is light in weight.
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答案是A.
made of..的部分是分词做状语,因为主句主语the machine与made之间是被动关系,所以应该用被动式,如果选项C是having been made of也是可以考虑的.
分词做状语可以相当于一个连词引导的状语从句,这里可以相当于because或者for引导的原因状语从句.
Because the machine is made of plastics,the machine is light in weight.
就算不还原的话,句子依然要翻译成:
由于是塑料做成的,所以这个机器很轻.
泡沫塑料用英语怎么说?泡沫塑料:foamed plastics或者是plastic foam
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泡沫塑料 [pào mò sù liào]
基本翻译
polyfoam
bipeltate
foamed plastic
网络释义
泡沫塑料:foam plastics|fermented plastic
硬质泡沫塑料:rigid foam|rigid foams
泡沫塑料成型:foam molding
一篇英语阅读Plastics are materials which are softened by heat and
一篇英语阅读
Plastics are materials which are softened by heat and set into lasting form when shaped in a mold.Some are natural; some are semi-synthetic,the result of chemical action on a natural substance; some are synthetic,built up from the constituents of oil or coal.All are based on the chemistry of carbon,with its capacity for forming chains.The molecules that compose them (monomers) link together in the setting or curing process to form chains (polymers),which give plastics their flexible strength..Some plastics retain their ability to be softened and reshaped:like wax,they are thermoplastic.Others set permanently in the shapes they are given by heat and pressure; like eggs,they are thermosetting.From industrial beginnings in the nineteenth century,plastics have struggled through a hundred and twenty years of glory,failure,disrepute,and suspicion on the slow road to public acceptance.Now,at last,one can positively say that plastics are appreciated and enjoyed for what they are; that they make modern life richer,more comfortable and convenient,and also more fun.Plastics are warm materials,sympathetic to the human touch,and their transformation into things that come into contact with human beings is entirely appropriate.The fact that there are plastics antiques comes as a shock to most people.How can a material that seems so essentially twentieth-century,and one that is so much associated with cheap,disposable products,have a history at all?It is a young technology,and a great part of the fun of collecting plastics is that beautiful pieces of historical interest can still be found very cheap.
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A .Why people Are Suspicious of Plastics
B .The Development of Plastics as a Modern Material
C .The Importance of Plastics in the Nineteenth Century
D .How Plastics Are Manufactured
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A .Coal
B .Oil
C .Eggs
D .Carbon
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A .140.
B .120.
C .100.
D .160.
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B .The earliest types were soft and did not last very long.
C .They have come into general use very gradually.
D .They originated primarily as road-surfacing materials.
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A .Plastic replicas of valuable antiques are relatively common.
B .Some plastic objects are now considered antiques.
C .Dealers use inexpensive plastic parts to repair valuable antiques.
D .Some young collectors prefer real antiques to plastic objects.
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1、B
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____ plastics,the machine is light in weight
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Made of plastics,the machine is light in weight
因为是用塑料制造的,这机器很轻.
———— plastics,the machne is lighe in weight.
———— plastics,the machne is lighe in weight.
A.To make of B.Having made C.To be made of D.Made of
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Made of plastic, the machine is light in weight.
意思是这个机器是塑料制造的,所以重量轻.
be made of 由……做成
在这里,made of plastic就是独立主格结构,它是一个分句,和后半句没有连接词,
主语是后面的the machine,因为机器和制造是被动关系,而且是一般现在时,所以选D
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A

此题考查with的复合结构,句意:你可以用一个大的塑料瓶,把它的顶部切掉,作为一个花盆在里面种一些花。顶部被切掉应表达为with its top cut off,cut 为过去分词。所以选A。
This cup is made _______(of /from)plastics.
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of 能看见原材料的用of
21.rubber differs from plastics ______ it is producednatural
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答案选B.解析如下
in that引导原因状语从句,意思是“因为”“原因在于”例如:His request is unreasonable in that he knows we can't afford it.
关于differ的用法,我们还学过A differ from B in sth.但是在这里不能理解成这个结构,因为这里不是介词+关系代词引导定语从句,即使是,介词+which/whom,也不能加that.
我刚给学生讲过这个句型.
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Plastics___many other materials.A.has taken the place of B.have taken place of
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A
此处塑料指的是塑料这一大类材料,是整体,故动词用单数.其中包括许多塑料种类(所以用复数)
Because there are different types of plastics that cannot be
Because there are different types of plastics that cannot be mixed翻译
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因为有不同类型的塑料,不能被混合在一起
some hard plastics can be ---------metals in manufacturing m
some hard plastics can be ---------metals in manufacturing machine part.
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这个空里需要填的意思是,塑料在生产机器零部件的时候可以替代金属,正确的形式应是A.substituted for
B排除,can be后面必须加过去分词,
C Replaced in正确形式应该是replaced with,意思也弄反了,
D given way to意思也弄反了,不是金属可替代塑料而是塑料可以替代金属,
英语翻译To better permit the passage of light,many new plastics
英语翻译
To better permit the passage of light,many new plastics are processed using technologies rivaling those used in the manufacture of computer chips.
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为了能使光透性更好,许多新型塑料都利用能于制造计算机芯片相媲美的技术来进行加工.
当Plastics作主语时,谓语动词用单数还是复数
当Plastics作主语时,谓语动词用单数还是复数
Plastics are often used today. 塑料是现今常用的材料. 这个句子对吗
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是对的,plastic本身是个不可数名词,但是加上s后表示各种各样的塑料材质.
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readily是ready的副词形式。
adv. 乐意地;快捷地;轻而易举地;便利地
放在句子里词义不通啊
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In the modern world many things are made of plastics _______ wood.
A.except B.beside C.instead of D.without
选什么,问什么?
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C.instead of
现代社会许多物品由塑料制成而不是木制成
You can use a large plastics bottle, _____ cut off, as a plo
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A. with its top
B. the top of which
C. whose top
D. its top is
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A
is this the very material one plastics now?
is this the very material one plastics now?
used to make
is used to make
is used to making
uses to make
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空格是在is this the very material后?
used to make 做定语
这就是现在被用来做塑料的材料吗?
1.plastics ____wide application not only in industry but asl
1.plastics ____wide application not only in industry but aslo in the daily life.
A are found B will be found c find D has been found
为什么不是选择D
2.when a bar of iron attracts other pieces of iron,it ____a magnet,and thus attraction is called mangnetism.
A will be acted B acted as C is acted as D has acted as
为什么选择B.不选择 C
3.____,wood will soon burst into a flame.
A Heating B when heating C being heated D when heated
为什么选择D,不选择C
4.I asked her if she had any rooms to ____
A let B be letted C be letting D have let
为什么选择A,不选择B
易于理解的回答,小女子给高分相谢~
第一题答案是C find
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C find 请参阅以下[考查热点2]
B acted as 这里act as是一个词组表示“担当”,“起.作用”
原句意思是“当一个条形铁块吸引其它铁片,它就起一个磁铁的作用,同时这用吸引作用被称为带磁性”
显然这里没有被动意味,故用主动时态.
D when heated=when it is heated 这里是when引导的一个时间状语从句.英语中在时间和条件状语从句中用一般现在时代替一般将来时.故这里用is.进行时态being heated表示动作正在进行即“正在被加热”,而题意是要说明一个条件,即“一旦被加热,木头会很快燃烧起来产生火焰.”
A let 请参阅以下[考查热点9]
主动形式表示被动含义的用法归纳:
主动语态表示被动含义是学习语态的难点,也是高考考查的热点.现归纳如下:
[考查热点1]
感官动词常用作系动词(如taste,feel,smell ,sound,look,smell等),常用主动形式表示被动含义.例如:
How sweet the music sounds!
The flowers smell sweet.
That sounds very reasonable.
[考查热点2]
某些动词如cut,drive,pay,write,read,sell,keep,prove,weigh,number,drink,wear,pay,wash,open,cost,lock,last等常用主动形式表被动含义,这时常和well,easily,perfectly,badly,slowly等方式副词连用,这种用法多用来说明主语的特征、性质或所处的状态等.例如:
The pen writes quite smoothly.
The book sells well.
[考查热点3] 在too…to结构中常用不定式的主动形式表示被动含义.例如:
It's too good a chance to miss.
[考查热点4]
有些及物动词如cook,burn,print,prepare等有时会用进行时态表示被动含义.例如:
The potatoes are cooking.
The dictionary is printing.
[考查热点5]
在“need/want/require+V-ing”及“bear/stand+V-ing”结构中用动名词的主动形式表示被动含义,这时相当于不定式的被动式.例如:
My car needs/wants/requires repairing.=My car needs/wants/requires to be repaired.
[考查热点6] 在There be句型中,something,anything,nothing等不定代词以及名词之后的不定式往往用主动形式表示被动含义.例如:
There is nothing to do — I'm bored.
There are six letters to write tonight.
[考查热点7] be+to blame/to
seek等结构具有的特点是作表语的不定式与句子的主语有逻辑上的动宾关系,因而用主动形式表被动含义.例如:
A better way is to seek.
Nobody is to blame for the accident.
[考查热点8]
当不定式所修饰的名词或代词是及物动词的直接宾语,而间接宾语是不定式的逻辑主语时,可以用不定式的主动式代替不定式的被动式.例如:
The teacher gave the students some paper to write on.(the students是to write on的逻辑主语) (some paper 是write on的逻辑宾语)
[考查热点9]
当不定式所修饰的名词或代词是动词的宾语,而句子的主语也是不定式的逻辑主语时,可以用不定式的主动式代替不定式的被动式.若不定式与句子主语或宾语不存在逻辑上的主谓关系,只与所修饰的词有动宾关系时,即只有动作的承受者,没有动作的执行者时,不定式应用被动式.例如:
I have six letters to write today.(write的逻辑主语为I)
This letter is to be written today.
We have a house to let.(let 的宾语是 house)
[考查热点10]
在句型“主语+be+形容词+todo”中,当不定式用在作表语的形容词后作状语,而句中的主语又是不定式的逻辑宾语时,通常用不定式的主动形式表示被动含义.这类形容词有:easy,difficult,heavy,hard,nice,bitter,dangerous,light,interesting.important,expensive,fit,comfortable,pleasant,impossible等.例如:
The picture is pleasant to look at.
The chair looks rather hard,but in fact it is very comfortable to sit on.
注意:当不定式中的动词是不及物动词时,要根据需要补充相应的介词.
[考查热点11]一些介词加具有动作意义的名词构成的介词短语常用来表示被动含义.如:on show/on exhibition,on sale,on fire,out of sight,in sight,under construction,in the charge of,in the posses sion of,under repair,under consideration,under development,under discussion等.例如:
The project is under construction.
His car is under repair.
[考查热点12] 有些不及物动词和词组只有主动形式,常视为用主动形式表被动含义.如:take place,happen,break out,belong to,come out,come about,go up,go out,grow up,consist of,add up to,come into being,come into use,give out,come true,run out,turn up等.例如:
His whole school education added up to no more than one year.
The fire also destroyed cars which belonged to people who worked in the building.
[考查热点13] 形容词worth后用V-ing形式表被动,不可接不定式,但可用be worthy to be done或be worthy of being done形式.例如:
These places of interest are well worth visiting.
These places of interest are worthy of being visited.
=These places of interest are worthy to be visited.
=These places of interest are worthy of a visit.
欢迎探讨词法语法问题.
英语翻译Plastics are polymers,molecules formed of many identical
英语翻译
Plastics are polymers,molecules formed of many identical units bound to each other Iike pearls in a necklace.For a polvmer t0 be electricallY conductive it must”imitate”a metal-the electrons in the bonds must be freely mobile and not bound fast to the atoms.One condition for this is that the polymer consists of alternate single and double bonds,termed conjugates double bonds.Ployacetylene is the simplest possible conjugated polymer.It is obtained by polymerization of acety lene,shown to the left.
At the beginning of the 1970s Shirakawa was studying the polYmerisation of acetylene.in his reaction vessel polyacetylene appeared in the form of an unremarkable black powder.On one occasion a visiting researCher accidentallY added one thousand times more catalyst than usual.Imagine the researchers surprise When a beautiful silvery film formed on the surface of the liquid in the vessel.the obvious question was:”if the Plastic fiIm shines like a metal,can it conduct electricity,too?”
Although the polyacetylene film shone like Silver,it was not an electrical Conductor.CoUld it perhaps be modified in some way?In the mid-1970s the three Laureates began Co-operating to investigate this and results were quick to come.When they caUsed the films tO react with iodine vapour.The conductivity increased by as much as ten million times-a discovery that was eventually to give them a Nobel Prize in Chemistry.
By analogy With semiconductor technology one speaks of doping the polymer when it iS SUbjected to oxidation with iodine vapour.The more electrons are removed,the higher the degree of doping and the greater the conductivity.
星星9191年前2
华南路人甲 共回答了17个问题 | 采纳率82.4%
可以hi我,给你满意答案
A bag made of plastics is much more durable than_______made
A bag made of plastics is much more durable than_______made of paper.
A.one B.that C.the one D.that one
pdslzf1年前1
jun34125135 共回答了24个问题 | 采纳率83.3%
选a,A泛指,bcd特指,由题意应选个泛指的.
Now plastics can ___ steel in many ways of our life.
Now plastics can ___ steel in many ways of our life.
a.take place b.take the place of c.instead of d.be taken place
大天使4XL1年前1
在mm抽了一夜 共回答了15个问题 | 采纳率93.3%
选 B take the place of 代替
现在塑料能在我们生活的很多方便代替钢.
保证准确率~
1.Modern plastics can ( )very high and very low temperatures
1.Modern plastics can ( )very high and very low temperatures.
A.stand b.hold c.carry d.support
请翻译句子,并作出讲解
烟缸里的鱼鱼1年前1
玲珑一颗心 共回答了17个问题 | 采纳率100%
A 这里stand作及物动词“经得起”解释.
现代的塑料能够经得起很高和很低的温度.
we use plastics ______ wood and metal now
we use plastics ______ wood and metal now
为什么选 in place of
我爱丽1年前1
当归1 共回答了12个问题 | 采纳率100%
取代.塑料取代了木质产品和金属产品
________ of plastics, the machines are light in w
________ of plastics,the machines are light in weight.
[ ]
A.To make
B.Having made
C.Being made
D.Made
是啥说啥1年前1
pkeer20 共回答了15个问题 | 采纳率86.7%
D
英语翻译Blow molding is the third largest plastics processing te
英语翻译
Blow molding is the third largest plastics processing technique worldwide and is generally recognized to be one of the fastest growing areas in the plastics industry[1].One of the essential steps which constitutes the blow molding cycle is the inflation of the parison.The entire process of parison inflation occurs in two successive stages,namely,free inflation followed by confined inflation.The parison inflation process is highly complex,involving the interaction of several process variables,such as the inflation pressure,material characteristics,parison thickness distribution,and parison temperature profile.
There have been quite a few reports in the existing literaturre on the simulation of parison inflation[2--9].Ryan and Dutta[3] made an analytical treatment of the free inflation of a viscoelastic parison by assuming a one-dimensional isothermal deformation.This simplified analyses cannot be used to predict realistic shapes of the parison during its inflation.
The finite element method (FEM) has been used to simulate the inflation of parison over the last decade[4--9].However,modeling blow molding inflation process with the FEM requires that many of the most difficult aspects of the FEM be addtessed in the analysis.These difficulties arise because of large strains,large deformations,nonlinear material behavior and so on during the inflation of parison.
In this paper,a mathematical model has been derived for simulating the parison free inflation in the plastics extrusion blow molding.In order to evaluate the predictive capabilities of the model,the instantaneous images of parison inflation within a mold epuipped with glass side windowa have been obtained by using a video capture technique.
1 Theoretical Analysis
Consider the free inflation of an isotropic and incompressible annular parison with an uniform radius and thickness,and length 2L in the initial state,as shown in Fig.1.The parison is assumed to be treated as a membrane (with thickness much less than any radius of curvature) so that any change in the deformation variables across the thickness may be neglected.Gravity and surface tension effects are neglected.Cylindrical polar coordinate system(r,r,x) is taken and all puantities are independent of r because of symmetry.Amaterial particle that locates at (r,r,x) during inflation is originally at (r,r,x).The ends of the parison are at x=0 and x=2L,and there is symmetry about the plane x=L.
cwhsb1年前1
口圭口牙 共回答了20个问题 | 采纳率90%
铸造打击并且一般地被认出是塑料工业[构成铸造周期的打击的十分重要的步骤的1].One是parison的通货膨胀.中的最快的日益增长区域之一在世界范围处理技术的第三大塑料parison通货膨胀的整个的过程在两个连续的阶段中发...
plastic和plastics区别
plastic和plastics区别
塑料的单词有2种写法,如题,如何分辨,有何区别
塑胶原料有限公司 这句该怎么翻译 用哪个词呢?
plastics ['plæstiks] n. 塑料;整形外科;外科修补术
. 展开《21世纪大英汉词典》
. 折叠《21世纪大英汉词典》
plastics ['plæstiks] n.【材料学】塑料adj.塑料的
回复1楼,plastic也有塑料的意思啊
米奇爱1年前4
11真的还是假的 共回答了17个问题 | 采纳率88.2%
在“塑胶原料有限公司”这个语境下,个人认为用plastics and rubber比较合适,翻译时,可以不翻原料两个字,因为塑胶本身就代表原料了.可以翻译成"XX Plastics & Rubber Co.,Ltd."
来看看一些原文网站的搜索结果吧:
Plastics & Rubber Weekly
Plastics and Rubber field
Plastics and Rubber Products Manufacturing
International Plastics and Rubber Trade Fair
我想这可能是一种通用说法吧,因为塑料的种类非常的多.另外,从中文的角度去辨别两个英文单词,不是一种很好的方法哦.
As we know,plastics and chemicals will not_______ for hundre
As we know,plastics and chemicals will not_______ for hundreds of years.(appearance)翻译并回答.
hh军事迷1年前1
蜗牛在三亚 共回答了21个问题 | 采纳率66.7%
As we know,plastics and chemicals will not__disappear_____ for hundreds of years
翻译为:正如我们所知道的,塑料和化学品数百年都不会消失的
这里需要动词,appearance的动词是appear出现,但是这里还需要变为否定,disappear消失
I never use plastics bag和I never used plastics bag两种句型哪种正确
画荣1年前5
无敌小娟娟 共回答了22个问题 | 采纳率90.9%
第一种.如果动词是过去分词,你就要用I have never used plastic bags.(s 不加在plastic后,在bag后)
Ps :写上理由 1.______plastics,the washing machine is light in we
Ps :写上理由
1.______plastics,the washing machine is light in weight.
A.made of B.making at C.to making of D.To be made of
2.______from the hill,the town looks magnificent.
A.seeing B.having seen C.seen D.to see
3.______that we were late,we began to run.
A.knowing B.to know C.we knew D.as knowing
4.______for nearly seven years in African forest,he decided to return home.
A.worked B.working C.having worked D.being worked
5.______our football ream won in the 12th Asia Games made us very.happy.
A.if B.what C.whether D.that
wjflrq011年前1
倾城温柔 共回答了22个问题 | 采纳率77.3%
1. ___A___plastics,the washing machine is light in weight.
A.made of B.making at C.to making of D. To be made of
选项应该和the washing machine 是主谓关系,所以选A
2. __C____from the hill,the town looks magnificent.
A.seeing B.having seen C.seen D.to see
主语是the town,和see这个词应该是被动的关系,所以选C
3. _A_____that we were late,we began to run.
A.knowing B.to know C.we knew D.as knowing
know发出这个动作的主语是we,独立主格,所以选ing形式.
4. __C____for nearly seven years in African forest,he decided to return home.
A.worked B.working C.having worked D.being worked
主句里decided是过去时,所以前面的从句应该是完成时,而且有标志词for,所以选C
5. ___D___our football ream won in the 12th Asia Games made us very.happy.
A.if B.what C.whether D.that
赢得足球比赛这件事总体做主语,先行词只能是that.所以选D

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