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12701
吸收塔操作时,若脱吸因数S增加,而气液进口组成不变,则溶质回收率将(),而出塔液体浓度将()。
12702
某吸收过程,气相传质分系数ky=0.0004kmol/(m2?s),液相传质分系数kx=0.0006kmol/(m2?s),由此可知该过程为()。
12703
To translate the title for each chapter in Jin Yong’s novels, Minford makes his compromise: under each succinct title, there is a brief introduction of the plot, which seems to achieve similar functions of the original title.
12704
In the eye of Jin Yong’s admirers, his work:
12705
Jin Yong’s rendering of his () in the form of TV episodes started the earliest round of visual translation of wuxia, which has been incessantly imitated by many movies and television series.
12706
Who is normally regarded to as the painter(s) of Ming Huang’s Journey to Shu?
12707
Who is generally regarded to as the original painter of Illustration (s) of the “Lo-shen fu”?
12708
A lot of people questioned the authorship of Ming Huang’s Journey to Shu, which statement is NOT true?
12709
What is the essence of TCM’s treatment of disease?
12710
What’s the theme of the well-known painting in the story ‘深山藏古寺’ ?
12711
Which of the following homophonic lines describes a girl’s perplexity about a boy’s feeling towards her?
12712
In Sharon Lai's essay, she summarizes three challenges that translators have to face:
12713
Why there are both facilities and difficulties in translating such sophisticated works as Jin Yong's martial arts fiction in the view of translators?
12714
In 1999, Wang Shuo claimed Jin Yong belonged to one of the “Four Vular”, because Wang thought Jin’s novel ().
12715
What’s the symbolic incident that marks the birth of the New School martial arts fiction?
12716
According to Sima Qian’s article, which sprit does not a real “knight” have?
12717
At the entrances of most gardens, usually there are () to serve as screens that conveniently restrict one’s vision. Which of the following is not included?
12718
The main construction materials used in the Forbidden City’s are timber, clay and stone.
12719
若串S='SOFT',其子串的数目最多是()。
12720
设S=,则LenStr(S)=()。
12721
假设空串是任何串的子串,则串S='Computer'的子串个数是()。
12722
设栈S和队列Q的初始状态为空,元素e1,e2,e3,e4,e5和e6依次通过栈S,一个元素出栈后随即进入队列Q,若6个元素出队的序列是e2,e4,e3,e6,e5,e1,则栈S的容量至少应该是()。
12723
假定学生关系是S(SNo,SName,Sex,Age),课程关系是C(CNo,CName,Teacher),学生选课关系是SC(SNo,CNo,Grade)。要查找选修“数据库”课程的“男”学生姓名,将涉及的关系是()。
12724
当对两个关系R和S进行自然连接运算时,要求R和S含有一个或多个共有的()。
12725
关系R中有n条元组,关系S中有m条元组,则关系R和关系S的广义笛卡尔乘积上有n+m条元组。
12726
有两个关系R和S,分别含有15个和10各元组,则在RUS,R-S,RnS中不可能出现的元组情况是()
12727
传统关系运算中交、并、差运算要求参与运算的关系R和关系S是()
12728
关系R和关系S自然连接后列的数量小于等值连接后列的数量。
12729
设关系R和S,关系代数R-(R-S)的表示是()
12730
在学生选课关系SC(SNo,CNo,Score)中,SNo为学生关系S的主码,CNo为课程关系C的主码,SNo和CNo分别为SC上的外码,根据参照完整性的定义,外码可以为空,因此,在SC上,SNo和CNo可以为空。
12731
In () section, you will find the author’s interpretation on the data.
12732
() help(s) you determine exactly how the experiment is designed and conducted.
12733
() provide(s) you with a complete, but very succinct summary of the paper.
12734
If you cannot attend the conference, there’s no need for you to respond to the invitation letter received.
12735
You have followed the speaker’s argument very well, but there appears a point you are not clear about. Which of the following expressions do you think is INAPPROPRIATE to help you in the situation?
12736
Gestures mainly mean the movements of one's hands and (), the head and shoulders, or even the legs and feet.
12737
Which of the following is an effective way to non-verbally support a speaker’s message?
12738
Many presenters don’t see the power of a closing. Without summarizing the major points, they make an () ending by saying “That’s all. Thank you for your time. Any questions?”
12739
Opening a presentation with a question can engage audience immediately. If a presenter opens with a response question, he/she expects audience to answer it. If he/she simply wants to get audience’s brains working, a () question is used.
12740
An () is one of the effective attention getters, for a story related to the topic paints a clear picture in audience’s mind and helps them interpret the speaker’s words.
12741
You’re going to make a presentation about people’s increasing reliance on mobile phone. Which of the following is NOT appropriate to be used to grab audience’s attention in the opening of a presentation?
12742
Let audience know why it’s worth their time listening to him/her by () the topic to them.
12743
In a typical academic presentation introduction, a speaker needs to accomplish the following tasks:Use different ways to capture audience’s (). Remember the grabber always has to be relevant to the topic.
12744
Thorough and careful audience analysis gives consideration to both objective needs and () needs such as the audience’s attitudes, expectations and values.
12745
Which of the following examples shows that timing influences the audience’s state of mind in presentation?
12746
In persuading people to take action for or against something, presenters use () to appeal to audience’s emotions.
12747
某风心病患者,心电图表现为:P波增宽,呈双峰型,P波时限0.12s,两峰间距0.05s,以Ⅰ、Ⅱ、aVL导联明显,应考虑为()
12748
患者,女,18岁。患上呼吸道感染1周后,感心悸,气短,乏力,心率98次/分。心电图示P-R间期为0.22s,应诊断为()
12749
男性,48岁,胸骨后疼痛3小时,体检血压12/8KPa(90/60mmHg)双肺有湿簦牡缤夹那暗剂S-T段明显抬高呈弓背向上的单向曲线,有偶发室性期前收缩,在送入病房过程中突然抽搐,经抢救无效死亡,死亡原因最可能为()
12750
S型旋风筒是指从旋风筒顶部往下看,风的走向为顺时针。
12751
离心式收尘器,含尘气体由进气管处的风速一般在10~20m/s。
12752
设降尘室高度为H(m),长度为L(m),宽度为B(m),需要收集的最小尘粒的沉降速度为u(m/s),气体在水平方向上的流速为v(m/s)。能够被收集的尘粒粒径应满足的条件。
12753
旋风式选粉机计算风量时,选粉室截面气流上升速度一般取3.4~4.0m/s。
12754
旋风式选粉机计算风量时,选粉室截面气流上升速度一般取m/s。
12755
当a=0.01m^2/s,1μm的切割粒径需要空气的圆周速率达110m/s。将切割粒径减到0.5μm时则空气圆周速率将是前者的()倍。
12756
颗粒以半径为r=0.1m、圆周速度uf=100m/s运动,那么离心加速度a和重力加速度g的比等于(),因此颗粒沉降速度被大大(),切割粒径则()。
12757
辊压机辊面线速度一般为()m/s。
12758
若液体可在某固体表面上自动铺展时,则铺展系数S一定大于零。
12759
气固相反应CaCO3(s)=CaO(s)+CO2(g)已达平衡。在其它条件不变的情况下,若把CaCO3(s)的颗粒变得极小,则平衡将()
12760
已知291K时Ba(OH)2、BaCl2、NH4Cl溶液的极限摩尔电导率分别为2.88×10-2,1.203×10-2,1.298×10-2s·m2·mol-1,那么的NH4OH的Λm∞=()s·m2·mol-1
12761
电极AgNO3(m1)|Ag(s)与ZnCl2(m2)|Zn(s)组成电池时,KCl可作为盐桥的盐。
12762
25℃时电极Hg,Hg2Cl2(s)|KCl(1mol·kg-1)的电极电势为0.2800V,这一数值就是甘汞电极的标准电极电势。
12763
反应Zn(s)+H2SO4(aq)→ZnSO4(aq)+H2(p)在298K和p?压力下,反应的热力学函数变化值分别为DrHm(1),DrSm(1)和Q1;若将反应设计成可逆电池,在同温同压下,反应进度与上相同,这时各变化值分别为DrHm(2),DrSm(2)和Q2。则其间关系为()
12764
设某浓度时CuSO4的摩尔电导率为1.4×10-2S·m2·mol-1。若在该溶液中加入1m3的纯水,这时CuSO4的摩尔电导率将()
12765
常用的甘汞电极的电极反应:Hg2Cl2(s)+2e-→2Hg(l)+2Cl-(aq),设饱和甘汞电极、摩尔(1mol·dm-3)甘汞电极和0.1mol·dm-3甘汞电极的电极电势分别为E1、E2、E3,则298K时,三者的相对大小是()
12766
某体系存在C(s),H2O(g),CO(g),CO2(g),H2(g)五种物质,相互建立了下述三个平衡:()H2O(g)+C(s)=H2(g)+CO(g)()CO2(g)+H2(g)=H2O(g)+CO(g)()CO2(g)+C(s)=2CO(g)则该体系的独立组分数C为()。
12767
在密闭容器中,让NH4Cl(s)分解达到平衡后,体系中的相数是()。
12768
NH4HS(s)和任意量的NH3(g),H2S(g)达平衡时,组份数C.相数P和自由度F分别为()。
12769
由CaCO3(s),CaO(s),BaCO3(s),BaO(s)和CO2(g)构成的平衡体系,其自由度F为()。
12770
组分A(s)与B(s)组成凝聚系统,可以形成四种化合物:A2B(稳定),AB(稳定),AB2(不稳定),AB3(稳定)。则该相图中有()个最低共熔点和()条三相线。
12771
由CaCO3(s),CaO(s),BaCO3(s),BaO(s)和CO2(g)构成的平衡体系,其自由度为()
12772
Ag2O分解可用下列两个反应方程之一表示,其相应的平衡常数也一并列出I.Ag2O(s)=2Ag(s)+(1/2)O2(g)Kp(Ⅰ)()II.2Ag2O(s)=4Ag(s)+O2(g)Kp(Ⅱ)()设气相为理想气体,而且已知反应是吸热的,试问下列哪些结论是错误的:()
12773
在通常温度下,NH4HCO3(s)可发生下列分解反应:NH4HCO3(s)=NH3(g)+CO2(g)+H2O(g),设在两个容积相等的密闭容器A和B中,分别加入纯NH4HCO3(s)1kg及20kg,均保持在298K达到平衡后,下列哪种说法是不正确的?
12774
已知FeO(s)+C(s)=CO(g)+Fe(s),反应的ΔrHm?为正,ΔrSm?为正(假定ΔrHm?,ΔrSm?不随温度而变化),下列说法错误的是()。
12775
在1100℃时,发生下列反应:()(1)C(s)+2S(s)=CS2(g)()K1=0.258()(2)Cu2S(s)+H2(g)=2Cu(s)+H2S(g)K2=3.9×10-3()(3)2H2S(g)=2H2(g)+2S(s)()K3=2.29×10-2()则1100℃时反应C(s)+2Cu2S(s)=4Cu(s)+CS2(g)的K为
12776
在732K时反应NH4Cl(s)=NH3(g)+HCl(g)的ΔrGm?为-20.8kJ×mol-1,ΔrHm?为154kJ×mol-1,则反应的ΔrSm?为
12777
反应2HgO(s)=2Hg(g)+O2(g)在101325Pa、分解温度时的分压p(Hg)等于
12778
已知FeO(s)+C(s)=CO(g)+Fe(s)反应的ΔrHm?为正,ΔrSm?为正(二者不随温度而变化),下列说法哪一种是正确的?
12779
反应3C(s)+2H20(g)=CH4(g)+2CO(g),在恒温恒容条件下进行,达到平衡后,气相各组分皆可看作理想气体,其平衡常数为k,1?,碳的转化率为α1,若向该系统内充入氮气,则反应系统压力升高,此时反应的平衡常数为k2?,碳的转化率为α2,则k1?k2?,α1α2(、、=)。
12780
已知等温反应(1)CH4(g)=C(s)+2H2(g)(2)CO(g)+2H2(g)=CH3OH(g)若提高系统总压,则平衡移动方向为()。
12781
在298K时,向甲苯的物质的量分数为0.6的大量的苯-甲苯理想溶液中,加入1mol纯苯,这一过程苯的ΔG,ΔH,ΔS为
12782
某一化学反应在25℃时的恒压反应热为ΔH,则ΔS=ΔH/T。
12783
公式ΔS=nRln(p1/p2)只适用于理想气体的等温可逆过程。
12784
熵变ΔS是()
12785
任意工作介质的卡诺循环,ΔU、ΔH、ΔS、ΔG.ΔA为零的是()。
12786
在标准压力p?和268.15K下,冰变为水,体系的熵变ΔS应
12787
求任一不可逆绝热过程的熵变ΔS时,可以通过以下哪个途径求得?
12788
非理想气体绝热可逆压缩过程的ΔS
12789
已知:Zn(s)+(1/2)O2=ZnOΔcHm=351.5kJ·mol-1()Hg(l)+(1/2)O2=HgOΔcHm=90.8kJ·mol-1()因此Zn+HgO=ZnO+Hg的ΔrHm是
12790
若已知2C(石墨)+O2(g)=2CO(g)(1)ΔrHmθ(298.15K)=-221.04kJ·mol-13Fe(s)+2O2(g)=Fe3O4(s)(2)ΔrHmθ(298.15K)=-1117.13kJ·mol-1则反应Fe3O4(s)+4C(石墨)=3Fe(s)+4CO(g)的ΔrHmθ(298.15K)是()kJ·mol-1。
12791
已知298.15K及101325Pa压力下,反应在电池中进行:Zn(s)+H2SO4(aq)=ZnSO4(aq)+H2(g)。当反应进度为1mol时系统做电功144kJ,热力学能降低180.3kJ,系统和环境交换的热应为()kJ。
12792
用44.1 kHz的采样频率进行采样,量化位数24位,则录制1 s的立体声节目,其波形文件所需的存储字节数为()。
12793
下列对于B/S结构的说法中,不正确的是()。
12794
下列对于B/S和C/S结构的说法中,不正确的是()。
12795
下列对于C/S结构的说法中,不正确的是()。
12796
本讲介绍了两种不同的软件体系结构设计Client/Server(C/S)结构和Browser/Server(B/S)结构,以下关于这两种结构的说法有误的是()。
12797
真核生物28S、18S、5.8S和5S 4种rRNA 是由一条rRNA前体产生的。
12798
S状态为死锁状态的充分条件是:当且仅当S状态的资源分配图是可以完全简化的。
12799
信号量S=-2表示的物理意义为()
12800
Tristan leaves home twice in this entire story. The first time is when he is in love with Susannah after Samuel’s death. The second time is after he takes revenge for his wife. Why does he choose to leave home?
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