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11601
以(﹁p∨﹁q)∧(r∧s)为前提进行推理,可以有效推出的结论有()
11602
当“没有S是P”为假时,则S与P之间的关系可能是()
11603
在S与P可能具有的五种外延关系中,下列命题形式真假情况为三真二假的是()
11604
在μr=1,εr=4,σ=0的媒质中,均匀平面波的电场强度为E(z,t)=E0sin?(ωt?kz+π/3),则相速度等于3×10^8m/s。()
11605
有一频率f=1KHz的均匀平面波,垂直入射到海面上,设电场在海平面上的振幅值为1V/m,海水的电导率σ=4(S/m),相对介电常数εr=81。求在海平面下0.6m处,电场的振幅是多少?()
11606
用铜板制作电磁屏蔽室,铜板厚度大于5倍趋肤厚度可满足要求,若要屏蔽掉10kHz~100MHz的电磁干扰,至少需要多厚的铜板?已知铜的σ=5.8×10^7(S/m),μr,εr=1。
11607
The English play()my students acted at the New Year’s party was a great success.
11608
Facts are subjective and they are based on a person’s beliefs, feelings, guesses and imaginations.
11609
Opinions are based on a person’s beliefs, feelings, imaginations and().
11610
It’s raining cats and dogs.
11611
The tiger’s roar could be heard in villages far away.
11612
阅读程序,指出输出结果()。 main({ int aa[4][4]={{1,2,3,4},{5,6,7,8},{3,9,10,2}{4,2,9,6}}; int i,s=0; for(I=0;i4;i++)s+=aa[1]; printf(%d\n,s);}
11613
若执行下述程序时从键盘输入3 4,则输出结果是()。;include stdio.hmain(){ int a,b,s;scanf(%d%d,a,b);s=a; if(ab)s=b; s*=s; printf(%d\n,s*s);()}
11614
Introduction of a company’s products or services is a very important part in a sales letter.
11615
()As a secretary or a clerk of one company, it’s important to know the stages of a business meeting.
11616
()A well-designed agenda is one of the key factors to ensure the meeting’s success.
11617
Awards:1997(5)”()”, People’s University2000 “Outstanding Teacher”, Beijing No.4 Middle School
11618
Which of the following statement about Frankel's defect is incorrect.
11619
假定有3种关系,学生关系S、课程关系C.学生选课关系SC,它们的结构如下:()S(SNO,SN,SEX,AGE,DEPT)C(CNO,CN)SC(SNO, CNO, GRADE)其中SNO为学号,SN为姓名,SEX为性别,AGE为年龄,DEPT为系别,CNO 为课程号,CN为课程名,GRADE为成绩。现要查询选修C2课程,且成绩为90以上的学生学号及成绩,在以下的SQL语句中要添加一个()项。SELECT(),GRADE FROM S JOIN SC ON S.SNO=SC.SNO WHERE CNO=&
11620
设有如下关系表S(NO,NAME,SEX,BIRTH,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,BIRTH为出生日期,CLASS为班号。查询每位学生的姓名和年龄,下列语句正确的是()。
11621
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。查询R表中前5行记录,正确的语法是()。
11622
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。查询学校有哪些班级,其语句为:SELECT()CLASS FROM S。
11623
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。删除“95031”班的男生记录,下列语句正确的是()。
11624
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。查询年龄超过20的女生学号和姓名,要求列名显示为中文,下列语句正确的是()。
11625
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。将学号为10的学生姓名改为“王华”,下列语句正确的是()。
11626
设有如下关系表S(NO,NAME,SEX,AGE,CLASS),主关键字是NO,其中NO为学号,NAME为姓名,SEX为性别,AGE为年龄,CLASS为班号。插入“95031”班学号为30、姓名为“郑和”的学生记录,下列语句正确的是()。
11627
系统的传递函数H(s)=Y(S)/X(s),Y(S)、X(s)分别为响应与激励的拉氏变换,该函数表明H(s)将随X(s)减小而增大。
11628
for(E1;E2;E3)S的翻译框架完全可以根据其for语句的执行流程来确定。
11629
在语句whileEdoS的翻译框架中,执行完S的四元式代码后,跳转(gotoL)执行哪一项()
11630
在语句for(E1;E2;E3)S的翻译框架中,执行完S的四元式代码后,跳转(gotoL)执行哪一项()
11631
一个LR(0)项目为S-aBe·,其中a、e∈VT,S、B∈VN,该项目是()
11632
对于句型αβγ规范推导序列S=...αAγ=αβγ,不正确的描述是()
11633
产生式S→aAcBe对应的LR(0)项目个数是()
11634
文法G.S→a∣b∣(T)T→T;S∣S中,非终结符T的LASTVT集为
11635
文法G.S→a∣b∣(T)T→T;S∣S中,非终结符T的FIRSTVT集为:
11636
已知文法G[S]:S→eT|RTT→DR|εR→dR|εD→a|bd求FIRST(S)=()
11637
已知文法G[S]:S→eT|RTT→DR|εR→dR|εD→a|bd求FOLLOW(D)=()
11638
文法G[S]:S→SbA│bA│ε()A→aSd│ac有关该文法描述不正确的是()
11639
文法G[S]:S→aA|aA→aA|bA|a|b,描述的语言是()
11640
文法G[S]:S→aB│c()B→Sd│b,最合适的类型选择是()
11641
文法通常定义为四元组(VN,VT,P,S),其中核心部分是()
11642
在记录型信号量机制中,S.value0时的值表示(1);每次wait操作意味着(2),因此应将S.value(3),当S.value(4)时,进程应阻塞。
11643
在记录型信号量机制中,每次signal操作意味着(1),因此应将S.value(2),当S.value=0时,表示(3),此时应(4)。
11644
用信号量S实现对系统中4台打印机的互斥使用,S.value的初值应设置为(),若S.value的当前值为-2,则表示S.L队列中有()个等待进程。
11645
N沟道增强型电力MOSFET,引出3个极,分别为G--栅极、D--漏极、S--源极。
11646
Newton’s second law relates force, acceleration, and mass and it is often () as the equation:()f = ma
11647
So a key difference between a rocket and a jet plane is () a rocket’s engine lifts it directly upward into the sky, whereas a jet’s engines simply speed the plane forward so its wings can generate lift.
11648
Newton’s first law, the law of inertia, () that it takes a force to change the motion of an object.
11649
A rocket traveling away from Earth () a speed greater than 11.186 kilometers per second(6.95 miles per second)or 40,270 kilometers per hour(25,023 mph)will eventually escape Earth’s gravity.
11650
In-text citations provide the abbreviation of an author’s given/first name rather than family/last name.
11651
Citing can effectively stress the originality of someone’s work.
11652
P() is the practice of using or copying someone else's idea or work and pretending that you thought of it or created it.
11653
A citation gives the s() where the information or idea is from.
11654
Chinese manufacturing value added accounted () 30.6% of its economy’s total output in 2012, according to the UN.
11655
Assertiveness is () as a skill of being able to stand up for your own or other people's rights in a calm and positive way, without being either aggressive, or passively accepting 'wrong'.
11656
Fill in the blanks with the help of the first letter(s).The environmental organizations have managed to ma() their arguments with good accurate evidence and this has begun to make public opinion in their favor.
11657
Fill in the blanks with the proper form of the bracketed word.He's always cautious about giving his address to strangers, especially in places where gun control policies have not been enforced or ()。(implement)
11658
Fill in the blanks with the help of the first letter(s).One ve() political activist complained that many women had not been taught the basics of political participation, in spite of the noisy claim for gender equality.
11659
Fill in the blanks with the help of the first letter(s).You have to learn to de() tasks and responsibilities and some of your power to your team members so that you can have more time to do other important things.
11660
Ricky's embarrassment when he met his teachers was (); his ears turned bright red and he kept looking down on the ground.
11661
There are often bitter quarrels between the two, but the husband and wife can always () each other's demands to live together with ardent love.
11662
Directions: Fill in the blank in the following sentence with an exact word from the text.But the genius of General Xiang Yu's () would be validated both on the battlefield and in modern social science research.
11663
The significance of the experiment done at MIT is that the experiment enabled people to see why it’s always so hard for them to say “No” to any opportunities that came to them.
11664
In what way is General Xiang Yu’s order similar to Dr.Ariely’s experiments?
11665
()According to Dr.Ariely’s book, Predictably Irrational, what might be a weakness of human beings?(Para.4)
11666
It is the child's first taste of living away from home, in the place where he must stand on his own two feet, and where he must stand up () himself.(填介词)
11667
The ideal capacity for establishing one’s career is to have insight and understand the passions, hopes and dreams common to all humanity.
11668
The “whoa” at the end of the text is used to show my surprise and pride of his son’s performance in grammar.
11669
I was satisfied with my student’s ”whoa” when I asked her how her excursion to Europe was.
11670
The son feels curious about his father's grammar lesson because his father handles different parts of speech in a sentence and discussed their specific grammatical functions delicately.
11671
有一个1:100的船模,以速度1m/s在水中行驶,波阻力为0.02N.则对应的原型的速度和波阻分别为()
11672
长度比λL=50的船舶模型,在水池中以1m/s的速度牵引前进时,则得波浪阻力为0.02N。原型中需要的阻力()
11673
对于圆管内流动,实际管道直径为10m,液体流速为1m/s,若实验时使用相同的液体,模型管道直径为0.5m,考虑雷诺数相似,则模型管道内的流速应为()
11674
客车高3米,速度100km/h,环境20°C。为求客车阻力在风洞里做模型实验。设风洞温度为10°C,气流速度50m/s,则在求模型汽车高度时应选用()相似准则数
11675
一台6极三相鼠笼式异步电动机,其s=0.03,则经空气隙由定子传递到转子侧的电磁功率中有()%将转变为总机械功率。
11676
一台6极三相鼠笼式异步电动机接于50Hz的三相对称电源上,稳定运行时s=0.03,则此时转子转速为()r/min。
11677
通常钢中S、P含量越少,则钢的质量越好。
11678
G73U(△i)W(△k)R(d)G73P(ns)Q(nf)U(△u)W(△w)F(f)S(s)T(t)中的d表示()。
11679
正态曲线下,从均数到+1.64s的面积为()
11680
AISAS最重要的两个环节:两个S代表的是speak(发表)与sale(出售)。
11681
Women's traditional roles have been swept away, and how they now exercise their birthright of greater choice.
11682
In the writer's opinion, living history museums are much more interesting than traditional museums.
11683
Winston’s father thought he was().
11684
The writer suggests that Churchill's early ambition was().
11685
In western tradition, women will take her husband’s family name after marriage.
11686
What are the author’s main purposes of writing this passage entitled Sex differences in English gossip rules?
11687
Which is(are)the synonym(s)of mutual?
11688
The novel is written in a Nigerian language to “bear the weight” of Okonkwo’s African experience.
11689
What are the reading’s benefits that the author reemphasizes in the end of his writing?
11690
The author’s tone in the passage is().
11691
How are Jack’s parents helping him?
11692
Mrs. Mallard's reaction to her husband's death is an example of().
11693
Which of the following facts is NOT TRUE about Kate Chopin's life?
11694
In the short conversation, we hear the patient’s demand for shoes. Why does he still want his shoes since he has no legs?
11695
Selzer’s short stories about the sick and diseased have introduced a new way of writing called(), which is the writing by medical professionals, who share humanity in their professional experiences.
11696
Which statement about Mansfield’s connection with Xu Zhimo is NOT TRUE?
11697
The two levels of understandings, the surface level and the deep level, are made more manifest by the author’s use of a na?ve narrator. What advantage does this way of narration have?
11698
Which of the following adjectives can probably best describe Bill’s attitude?
11699
端系统之间的通信方式有两种:C/S方式和()方式。(填英文缩写,字母大写)
11700
Although he’s only 16 he has very()ideas about life.
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