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2019外研版高一英语必修一unit2综合测试卷(含答案)

unit2综合测试卷第一部分阅读第一节(共15小题，每小题2.5分，满分37.5分)阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。

AIt is hard to say the first day of school in the United States because when the first day of school is and what happens on the first day of school are usually different by districts.The first day of school for many school districts in different states is on the day after the first Monday in September. In some other school districts, schools begin in mid- to- late August. For example, the Denver, Colorado schools go back in mid -August and schools in Cleveland, Ohio sometimes I like usually one week before the first Monday in September. The Boston, Chicago, New York city and San Diego schools start back on the Tuesday or Wednesday after the first Monday in September.Schools in Cleveland, Ohio used to start the school year on the day after the first Monday in September, but in the 1976 --- 1977 and 1977 --- 1978 academic years, the school year was affected by several bad snowstorms. In the 1978 --- 1979 school year, the Ohio Department of Education moved the start of the year to late August, one week before the first Monday in September. This went into effect in the 1980 --- 1981school year.In most school districts in Utah, the school year starts between August 25 and August 30, and goes until the last week of May or the first week in June next year.In American high schools, the freshmen class usually goes back one or two days before the rest of the school body for an orientation period. An orientation period helps the freshmen get familiar with the new school, its rules and surroundings.In some schools, freshmen classes have their photographs taken for identification purposes. Some high schools have tried to make the first week of school fun for incoming freshmen.1. According to the passage, which schools start their school year the earliest.A. Schools in Denver.B. Schools in Cleveland.C. Schools in New York City.D. Schools in Boston.2. Why did the Ohio Department of Education change the start of the school year?A. Because of some political events.B. Because of the entrance examinations.C. Because of the increasing number of students.D. Because of the extreme weather.3. How many months does the school year last in schools in Utah?A. About seven months.B. About eight months.C. About nine months.D. About ten months.BIf you want to become a fluent English speaker you should take some advice. There are four skills in learning English. They are reading, listening, speaking and writing. The most important thing you must remember is that if you want to improve your speaking and writing skills you should first master the skills of reading and listening.Read as much as you can. But your reading must be active. It means that you must think about the meaning of sentences, the meaning of unfamiliar words etc. There is no need for you to pay much attention to grammar or try to understand all the unfamiliar words you come across, but the fact that you see them for the first time and recognize them whenever you see them, for example, in other passages or books, is enough. It would be better to prepare a notebook for yourself so you can write down the important words or sentences in it.As for listening, there are two choices: besides reading, you can listen every day for about 30 minutes. You can only pay attention to yourreading and become skilful at your reading, and then you can catch up on your listening. Since you have lots of inputs in your mind, you can easily guess what the speaker is going to say. This never means that you should not practice listening.For listening you can listen to cartoons or some movies that are specially made for children. Their languages are easy. Or, if you are good at listening you can listen to VOA or BBC programs every day. Again the thing to remember is being active in listening and preferably taking some notes.If you follow this pieces of advice you are speaking and writing will improve automatically, and you can be sure that with a little effort, they will become perfect.4. According to the author, which should you improve first amount the four skills.A. Reading and listening.B. Reading and writing.C. Writing and speaking.D. Speaking and listening.5. To improve your reading, when you read you should .A. look up all new words in the dictionary.B. spend more time studying grammar.C.think about what you are reading actively.D. copy as many words and sentences as possible.6. The author seems to agree with the view that .A. everyone should listen to VOA or BBC programs every day.B. you needn't practice listening if you keep on reading every day.C. being good at reading is helpful in improving your listening.D. you should take notes of whatever you are hearing.7. The passage is mainly about how toA. choose suitable listening materials.B. deal with new words in reading.C. improve your English as quickly as possible.D. become good at English reading and listening.C.When you study abroad in France, you can expect to be treated the same as your native classmates, whether in a lecture or a discussion class.Well, you can study abroad in France and focus on nearly any subject, it's the students with a passion for the arts, architecture and history that rush to the country in the largest numbers. And there's no shock, considering that France has been the centre of the arts for centuries.As students of the arts, you will have to make careful use of your time, given all that France has to offer:. Visit the Louvre to works of French artists such as Monet,Matisseand Renoir;. Read the works of such French literary geniuses as Baudelaire, Proust and V oltaire;. Listen to the music of Debussy, or more contemporary (当代的) artists like Air and Daft Punk.. France is also a main destination for architecture students, as you will see architecture in nearly every style:The Gothic Chateau de Chambord, built in the 1500s;Place Dauphine built in 1607 in Baroque style;The post modern housing development, Marne-la-Vallee.History students will find that France has been where the action is for quite some time. Over the course of the centuries, it has been the stage for the most important developments in the history of mankind, including the French Revolution, the rise of Napoleon and the rise of the Fifth Republic under President Charles de Gaulle. It was also the sight of the D-Day invasion(诺曼底登陆) of World War two.As a possible study abroad location France has a lot to offer because the combination of educational institutions(教育机构), arts and culture, and national history is second to none.8. What can we learn about studying abroad in France from the text?A. Few students choose to study in France.B. There are many lectures and discussion classes.C. Students from foreign countries are usually treated badly.D. France is the best place for students who love the arts.9. What can art students do on weekends?A. Enjoy V oltaire's music.B. Listen to Proust's music.C. Read Renoir's literary works.D. View Monet's works in the Louvre.10. The text is most likely taken fromA. a study abroad websiteB. an architecture advertisementC. a history bookD. a fashion magazine11. According to the text, you can see many kinds of architecture in France, such as① the post- modern housing development②Baroque style buildings③ The Big Ben④Gothic architectureA. ①②③B. ①③④C.①②④D.Most Chinese people these days know what it is like to have an "English" teacher, since almost all pupils study English from their third year. Usually that first English teacher will be a young and lovely lady in primary school. But my first English teacher is no other than my father. Looking back, I can see that, when I was only a little girl, he created an English environment by providing me with flash cards, fun English- language toys and even toys which could sing English songs! The interest in English had certainly been awakened (唤起)when I began to learn English at school. Just imagine, he went a step further and asked me to learn new concept English by myself! I was confused and had much anger.I could not understand why a father could be so strict with his little girl. All the same, he never gave up and had gently insisted that I follow through with his ideas.At first I read stories with tears in my eyes and I actually hated them because they were too difficult for me. In the end, I became to love the funny stories and, to be honest, my father was always there with a helping hand. I'm sure that my English would never have got so far without his support. And that's why my father is not only my first English teacher but also my lifelong teacher. He is the one who awoke my interest, who gave me confidence and who offered me much needed help.1. Which of the following wasn't used by the father to create an English environment?A. Flash cardsB. Fun English language toysC. Dolls singing English songsD. English books2. How did the author feel when she was asked to learn new concept English?A. HappyB. AngryC. ExcitedD. Amazed3. It can be known from the text thatA. the author's father is an English teacher.B. they also was not interested in English after she learned new concept English.C. the author's English wouldn't be so good without her father's help.D. the author had no difficulty when she first learned new concept English.4. What could be the best title of the text?A. My First and Lifelong English Teacher.B. Different Ways to Learn English.C. My Good English.D. Learn English or Not第二节(共5小题，每小题2.5分，满分12.5分)阅读下面短文，从短文后的选项中选出，可以填入空白处的最佳选项。

教科版八年级物理上册2.1 认识运动课时练习(含答案)

2.1 认识运动课时练习一、单选题1．下列现象中属于机械运动的是A．人造卫星绕地球转动B．鸟语花香C．墙内开花墙外香D．闻到饭菜的香味2．（2020·江苏东台�初二期中）下列现象中，不能说明分子处在永不停息的无规则运动中的是（）A．花开时香气扑鼻B．扫地时尘土飞扬C．红墨水在水中散开D．衣柜里的樟脑丸过一段时间变小了3．原子由原子核及电子组成，其中（）A．原子核及电子都带正电荷B．原子核及电子都带负电荷C．原子核带正电荷，电子带负电荷D．原子核带负电荷，电子带正电荷4．下列各现象中不属于机械运动的是（）A．运动员冲过终点B．地球绕着太阳公转C．“嫦娥一号”奔向遥远的月球D．新文化运动5．（2019·广西来宾�初二期中）如图所示的各种运动中，不属于机械运动的是（）A．行星转动B．鲜花怒放C．骏马奔腾D．枯叶飘落6．（2020·山东兰陵�初二期末）下列关于宇宙、物质及其结构的说法中正确的是（）A．地球是宇宙的中心，太阳绕地球运动B．宇宙是由物质组成的，常见物质是由分子、原子构成的C．太阳系中共有包括地球在内的九大行星D．固体有一定的体积和形状，固体分子排列十分紧密，分子间没有间隙7．（2020·广东高要�初三一模）依据卢瑟福的原子“行星模型”，绕核高速旋转的粒子是A．质子B．中子C．电子D．核子8．（2017·广东南雄二中初三一模）以下微观粒子按空间尺度由小到大排序正确的是（）A．质子原子电子B．原子原子核电子C．电子质子分子D．原子质子原子核9．（2018·江苏�初二课时练习）原子核的组成是由（）A．质子和中子B．质子和电子C．电子和中子D．核子和电子10．下列说法正确的是A．卢瑟福最早提出了原子的“枣糕模型”B．汤姆孙最早做了“α粒子散射实验”，并提出了原子的核式结构模型C．原子直径的数量级是10－10 m，原子核直径的数量级是10－15 mD．电子的质量与质子、中子的质量相差不大11．二十世纪初科学家先后提出了如图（a）、（b）、（c）所示的三种原子模型，依照提出时间的顺序正确的排列为A．①②③B．③②①C．②①③D．③①②12．关于质子和中子的说法正确的是A．质子带正电，中子带负电B．质子不带电，中子带负电C．质子带正电，中子不带电D．质子、中子都带正电二、填空题13．物体位置的变化叫做_______________。

饱和压力、饱和温度对应表

142.92
3.0
234.57
5.7
, I } v2 L' Q, i0 |3 d电力联盟|热电|火电|核电|水电|标准|能源|节能
272.08
8.4
297.85
) R$ V0 i1 A7 z! @. S) A- h
0.4
151.11
3.1
236.34
6 s- N( z% ^% e2 B, O-
0.7
169.60
; b8 O: r/ s% M+ K" `7 N电力联盟缔造电力行业最具权威的技术交流平台
3.4
4 w2 L9 |: ~$ v: L3 v" E& u! z缔造电力行业最具权威的技术交流平台|热电|火电|核电|水电|标准|能源|节能
241.42
. [# f) g1 y& k# @% Z y( A中国电力联盟-电力论坛
7.8
3 x6 [# M9 g6 B* `+ Y( D$ t
温度℃
0.1
, P* f( h, |3 M0 K* q缔造电力行业最具权威的技术交流平台|热电|火电|核电|水电|标准|能源|节能
119.61
2.8
+ F4 ~ W9 Y/ G. E* N1 M0 ~0 E缔造电力行业最具权威的技术交流平台|热电|火电|核电|水电|标准|能源|节能
230.89
5.5
269.83
* N; W8 G% o a1 z! ^2 r5 ~' A7 g' ?缔造电力行业最具权威的技术交流平台|热电|火电|核电|水电|标准|能源|节能
8.2
3 b+ P4 x4 I. j* @: i缔造电力行业最具权威的技术交流平台|热电|火电|核电|水电|标准|能源|节能

最新：中国肺动脉高压诊治临床路径

最新：申国肺动脉高压诊治临床路径肺动脉高压（pulmona叩hypertension, PH ）是以肺动脉压力升高为特征的一种异常的血液动力学状态和病理生理综合征1-2］，真致死率、致残率高。

当前数据表明，全球约1%的成年人患高PH,65岁以上的人群中PH患病率可高达10%［坷，PH已成为严重威胁人类的全球性健康问题。

《2022年中国心血管病医疗质量报告》显示，我国PH的知晓率、诊断率和治疗率均不理想，特别是在基层医疗机构中，医疗技术力量不足、综合管理意识薄弱、转诊机制不完善等问题普遍存在，PH规范化诊疗水平亟待提高。

为了全面提升各级医疗机构的诊疗能力，有序开展PH的阜期筛查与诊治、患者随访管理以及健康教育等工作，适应PH患者日益增长的医疗需求，国家心血管病中心肺动脉高压专科联盟、国家心血筐病专家委员会右心与肺血筐病专业委员会组织多学科专家对PH领域的指南、专家共识以及重要循证医学研究进行了系统检索［4-6］，并组织多轮调研，最终选选和确定了基层PH诊疗和筐理相关的关键临床问题，经审核和讨论制定了《中国肺动脉高压诊治临床路径》。

本文主要内窑涵盖了PH的诊断流程、治疗策略、随in筐理和双向转诊机制等，强调规范性、可操作性和可及性，将循i正医学证据与基层实践特点相结合，总结了国内外多学科协同诊疗的先进经验，对中目关学科如心血筐、呼吸、风湿免疫、肝病等领域的日常诊疗实践均真高较强的指导意义。

1、PH的定义a台类1.1 PH的血液动力学定义PH是指多种原因所致肺血管床结构和（或）功能改变，导致肺动脉压力增高，右心扩张，出现右心衰竭甚至死亡的一组临床综合征。

真血液动力学定义？旨：在海平面、静息状态下，经右，I)号筐检查( righthea内catheterization, RHC ）测定的平均肺动脉压( meanpulmonaryarterypressure, mPAP) >20mmHg( 1mmHg=0.133kPa）。

A387-2017压力容器用铬钼合金钢板标准

A387/A387M-2017A387/A387M 压力容器用铬-钼合金钢板标准本标准以A387/A387M固定代号发布的，其后的数字表示原先采用版本的年号或者是当有修订时的最新修订版的年号。

圆括号中的数字为再次批准的年号。

上标符号（ε）表示因最新修订或再次批准发生的编辑性变化。

本标准已被批准供美国国防部的机构使用。

1.适用范围1.1.本标准适用于焊接锅炉和高温压力容器用铬-钼合金钢板。

1.2.本标准中的钢板按所含的合金元素分成以下几个等级：级别公称铬含量，% 公称钼含量，%2 0.50 0.5012 1.00 0.5011 1.25 0.5022，22L 2.25 1.0021，21L 3.00 1.005 5.00 0.509 9.00 1.0091 9.00 1.001.3.除21L、22L和91级外，每个级别的钢板均有如表2和表3所示的两个抗拉强度类别。

21L和22L级钢板仅适用于第1类钢，91级钢板仅适用于第2类钢。

注1—911级钢板以前在本标准内，现在由A1017/A1017M标准覆盖。

1.4.钢板的最大厚度仅受化学成分满足规定力学性能要求的能力限制。

1.5.以（SI）国际单位或英寸（-磅）表示的数值应认作为标准值。

在本标准文本中，国际（SI）单位用括号表示。

由于两种单位制的数值不能做到精确地相等，因此，必须分别地独立使用两种单位制。

如加以混用，将导致与本标准的不一致。

1.6.本国际标准是根据国际公认的标准化原则、由世界贸易组织技术贸易壁垒委员会发布的国际标准、指南和建议发展而来的。

2.引用标准2.1.ASTM标准：A20/A20M 压力容器用钢板通用标准A370 钢制品力学性能试验的试验方法和定义A435/A435M 钢板超声直射波检验标准A577/A577M钢板超声斜射波检验标准A578/A578M特殊用途的普通钢板与复合钢板的超声直射波检验标准A1017/ A1017M 压力容器用铬-钼-钨合金钢板标准2.2.AWS标准：A5.5/ A5.5M 保护金属电弧焊用低合金钢焊条规范A5.23/ A5.23M 埋弧焊用低合金钢焊条和焊剂规范A5.28/ A5.28M 气体保护电弧焊用低合金钢焊条和螺杆规范A5.29/ A5.29M 熔芯电弧焊用低合金钢焊条规范3.一般要求与订货须知3.1.按本标准供应的钢板应符合A20/A20M的要求。

原子核物理(卢希庭)课后习题答案全

电荷均匀分布于球表面，试计算质子的磁矩；如果角动量的最大可
观测分量是 1 ，试计算相应的磁矩的最大可观测分量（用核磁子表示）。 2
解：设质子密度均匀，匀速转动
角动量
L
r0 2
r 2drd (r sin )2
r 2dr sin 3 d d r 2
8 r0 5
00 0
3
2 1
得：
I
9 2
2
对
2S
1 2
分裂为
2
1 2
1
2个子能级
2
D
3 2
分裂为
2
3 2
1
4个子能级
2S 1和 2D3谱线分裂的总子能级为 6个。
2
2
1-6原子核半径
Rx
1
r0 A3
1 3
1
r01893
解出A 7
Z
A
2 解出Z 3
பைடு நூலகம்
1.98 0.0155A 3
1-7
原子核同位旋量子 T满数足下列关系
15
m 4 r 2 3 3m 4 r 2
L 2 r0 2 m 3
5
2
1
5 3 2 r0 4 m
0
2
r0
sin T
r0 d
( r0
sin
)2
其中
e 4 r0 2
，
T
2
0
e 2 r0 s in r0 d 4 r0 2 2
( r0
sin
)2
2-14
解：E E(130Te)E(130Xe) (130Te)(130Xe) (87.353) (89.881) 2.53MeV

(化学工业出版社化工原理课后习题答案

第一章1-1 0.898 3-⋅kg m 1-2 633mmHg 1-3 1.78z m ∆= 1-4 H =8.53m 1-5 1720AB p mmHg ∆= 1-6 318.2Pa ; 误差11.2℅1-7 在大管中：11211114.575,0.689,1261----=⋅=⋅=⋅⋅m kg s u m s G kg m s 在小管中： 11212224.575, 1.274,2331----=⋅=⋅=⋅⋅m kg s u m s G kg m s 1-8 6.68m解取高位槽液面为1-1，喷头入口处截面为2-2面。

根据机械能横算方程，有 gz 1 + u 12/2 + p 1/ρ=gz 2+u 22/2+p 2/ρ+w f式中，u 1 =0，p 2 =0，u 2 =2.2 m .s-1，p 2 = 40*103 Pa ，w f =25J.kg-1，代入上式得 Δz =u 22/2g+p 2–p 1/ρg+w f /g=2.22/2*9.81+40*103-0/1050*9.81+25/9.81 =6.68m 1-9 43.2kW解对容器A 液面1-1至塔内管出口截面2-2处列机械能衡算式2211221e 2f u p u p g z + + +w =gz +++w 22ρρ已知 z 1=2.1m ，z 2 =36m , u 1 =0, 2u 的速度头已计入损失中，p 1=0, p 2=2.16*106 Pa,f w =122J.kg -1, 将这些数据代入上式得e w = (z 2-z 1)g+p 2/ρ+ fw=(36-2.1)*9.81+2.16*106/890+122=333+2417+122=2882J.kg-1泵的有效功率N e =e s w m =2882*15/1000=43.2kw 1-10 (1) 4.36Kw ；(2) 0.227MPa1-11 B 处测压管水位高，水位相差172mm 1-12 H=5.4m ，pa=36.2kPa解在截面1-1和2-2间列伯努利方程，得22112212u p u pg z + + =gz ++22ρρ即 22122112p p ()2--+-=u u g z z ρ (a) z 1、z 2 可从任一个基准面算起（下面将抵消），取等压面a -a ，由静力学方程得p 1+ρg(z 1-z 2)+ ρgR=p 2+Hg gR ρ 即1212()Hg P P g z z gR ρρρρ--+-=⨯ (b)由式(a)和式(b)可得2231211360010009.8180109.89.21000Hg u u gR J kg ρρρ-----=⨯=⨯⨯⨯= （c ）又由连续性方程知 u 2= u 1(d 1/d 2)2= u 1⨯ (125/100)2=1.252 u 1 代入式（c ）得（1.252 u 1）2 - u 12=2⨯9.89 u 1=3.70m.s -1 于是 u 2=1.252⨯ 3.70=5.781.m s -喷嘴处 u 3= u 1（d 1/d 3）2=3.70⨯125/75）2=10.281.m s -在截面0-0与3-3间列机械能衡算式H= u 32/2g=10.282/2⨯9.81=5.39m 在截面0-0与a -a 间列伯努利方程 H=u 22/2g+ p A /ρg故有 p A =ρgH -222u ⨯ρ=1000*9.81*5.39-5.782/2 *1000 =36.2⨯ 310Pa 1-13 d≤39mm1-14 水0.0326m·s -1，空气2.21m·s -1 1-15 (1) 38.3kPa ； (2) 42.3% 1-16 不矛盾 1-17 答案略1-18 (1) 第一种方案的设备费用是第二种的1.24倍；(2) 层流时，第一种方案所需功率是第二种的2倍；湍流时，第一种方案所需功率是第二种的1.54倍 1-19 0.37kW 1-20 2.08kW1-21 0.197m ；不能使用解（1）求铸铁管直径取10℃氺的密度ρ=10001.kg m -,查附录五知μ=1.305 ⨯ 310-Pa.s取湖面为1-1面，池面为2-2面，在面1-1与面2-2间列机械能衡算方程2221122f u u p p g z w ρ--∆++=因u 1、u 2、p 1、p 2皆为零，故g z ∆= f w （a ）式中，z ∆=45m , 2222581000300() 5.62923600f l u w d d d λλλπ⨯===代入式（a ）得 9.81 ⨯ 45=55.629dλ5d =0.01275λ (b)λ的范围约为0.02-0.03，现知V S 很大，Re 也大，故λ的初值可取小些。

深圳市汇川技术 MD32PFS（Profibus）卡说明书

2.2 接口说明 1）可插拔线缆端子头-4PIN。
端子标识
PE DG A ( TR+ ) B ( TR- )
名称
大地线通讯卡电源地数据线正极数据线负极
功能
保护地 PROFIBUS数字地 PROFIBUS数据线 PROFIBUS数据线
-5-
第二章安装和接线
2） PROFIBUS9针标准接口说明：
PPO1
PPO2
PPO3
PPO5
图3-1 PPO类型描述图
-8-
第三章 PROFIBUS_DP说明
3.2 MD32PFS卡支持的格式 MD32PFS 卡支持 PROFIBUSDRIVE 的数据格式为 PPO1 ， PPO2，PPO3，PP05不同的用户根据自己实际的需求可以选择对应的数据格式。每个数据格式的特点描述如下：
2）命令号的描述：
命令号
0 1 2 14 无任务
功能描述
请求读取功能码参数数据(字) 请求更改功能码参数数据(字) 请求更改功能码参数并存储至 EEPROM(字)
-9-
第三章 PROFIBUS_DP说明
命令号
其它保留
功能描述
3）参数在不同命令下的描述：
参数号
PKW[1]，PKW[2] PKW[6]，PKW[7] PZD1 PZD2 PZD3~PZD12
Bit6 Bit7 Bit8 Bit9
- 14 -
第三章 PROFIBUS_DP说明
控制字(位) Bit10 Bit11
Байду номын сангаас
值 0 1 0 1 0 1
定义内容速度控制无效速度控制有效转矩控制无效转矩控制有效命令源选择通讯无效命令源选择通讯有效

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2019年1-9月份全国规模以上工业企业利
润下降2.1%
1—9月份，全国规模以上工业企业实现利润总额45933.5亿元，同比下降 2.1%（按可比口径计算，考虑统计制度规定的口径调整、统计执法增强、剔除重复数据、企业改革剥离、四经普单位清查等因素影响，详见附注四），降幅比1—8月份扩大0.4个百分点。

1—9月份，规模以上工业企业中，国有控股企业实现利润总额13892.7亿元，同比下降9.6%；股份制企业实现利润总额33721.4亿元，下降1.2%；外商及港澳台商投资企业实现利润总额11341.9亿元，下降4.2%；私营企业实现利润总额12631.6亿元，增长5.4%。

1—9月份，采矿业实现利润总额4279.4亿元，同比增长3.1%；制造业实现利润总额37904.2亿元，下降3.9%；电力、热力、燃气及水生产和供应业实现利润总额3749.9亿元，增长12.3%。

1—9月份，在41个工业大类行业中，30个行业利润总额同比增加，11个行业减少。

主要行业利润情况如下：电力、热力生产和供应业利润总额同比增长13.7%，电气机械和器材制造业增长13.5%，专用设备制造业增长12.9%，非金属矿物制品业增长11.8%，有色金属冶炼和压延加工业增长8.1%，石油和天然气开采业增长7.9%，计算机、通信和其他电子设备制造业增长
3.6%，农副食品加工业增长3.5%，通用设备制造业增长3.0%，石油、煤炭及其他燃料加工业下降53.5%，黑色金属冶炼和压延加工业下降41.8%，汽车制造业下降16.6%，化学原料和化学制品制造业下降13.0%，纺织业下降
4.3%，煤炭开采和洗选业下降3.2%。

1—9月份，规模以上工业企业实现营业收入77.67万亿元，同比增长4.5%；发生营业成本65.51万亿元，增长4.8%；营业收入利润率为5.91%，同比降低0.41个百分点。

9月末，规模以上工业企业资产总计116.93万亿元，同比增长6.0%；负债合计66.49万亿元，增长5.4%；所有者权益合计50.44万亿元，增长6.8%；资产负债率为56.9%，同比降低0.3个百分点。

9月末，规模以上工业企业应收票据及应收账款17.23万亿元，同比增长4.6%；产成品存货42383.3亿元，增长1.0%。

1—9月份，规模以上工业企业每百元营业收入中的成本为84.34元，同比增加0.24元；每百元营业收入中的费用为8.65元，同比增加0.19元。

9月末，规模以上工业企业每百元资产实现的营业收入为91.4元，同比减少1.5元；人均营业收入为137.8万元，同比增加10.8万元；产成品存货周转天数为17.0天，同比减少0.2天；应收票据及应收账款平均回收期为54.6天，同比增加1.7天。

9月份，规模以上工业企业实现利润总额5755.8亿元，同比下降5.3%，降幅比8月份扩大3.3个百分点。

附注：
一、指标解释及相关说明
1、利润总额：指企业在生产经营过程中各种收入扣除各种耗费后的盈余，反映企业在报告期内实现的盈亏总额。

2、营业收入：指企业从事销售商品、提供劳务和让渡资产使用权等生产经营活动形成的经济利益流入。

包括主营业务收入和其他业务收入。

3、营业成本：指企业从事销售商品、提供劳务和让渡资产使用权等生产经营活动发生的实际成本。

包括主营业务成本和其他业务成本。

营业成本应当与营业收入进行配比。

4、资产总计：指企业过去的交易或者事项形成的、由企业拥有或者控制的、预期会给企业带来经济利益的资源。

5、负债合计：指企业过去的交易或者事项形成的，预期会导致经济利益流出企业的现时义务。

6、所有者权益合计：指企业资产扣除负债后由所有者享有的剩余权益。

7、应收票据及应收账款：指企业因销售商品、提供服务等经营活动应收取的款项，以及收到的商业汇票，包括银行承兑汇票和商业承兑汇票。

2018年6月，财政部发布《关于修订印发2018年度一般企
业财务报表格式的通知》（财会〔2018〕15号），对一般企业财务报表格式进行了修订，企业《资产负债表》不再列示“应收账款”项目，改为列示“应收票据及应收账款”项目。

为与企业财务报表一致，从2019年起，停止发布月度“应收账款”数据，改为发布“应收票据及应收账款”数据。