对长度为n的线性表排序,在最坏情况下,比较次数不是n(n-1)/2的排序方法是A.快

题型:单项选择题

问题:

对长度为n的线性表排序,在最坏情况下,比较次数不是n(n-1)/2的排序方法是

A.快速排序

B.冒泡排序

C.直接插入排序

D.堆排序

考点:计算机等级考试VISUALBASIC国家计算机二级(VB)79
题型:单项选择题

轧制过程中,限制压下量的主要因素有()、()及()。

题型:单项选择题
完型填空(共20小题;每小题1.5分,满分30分)
阅读下面短文,掌握其大意,然后从各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑;
For Senior 3 students, choosing which college to attend can be the most exciting and thrilling time in their entire school lives. This is also true for an American girl 21 Melanie.
Melanie’s dad, James Porter, who is the chief of police for a Chicago suburb, wants Melanie to 22 nearby Northwestern University, where she’s 23 been accepted. But Melanie, 17,really wants to go to Georgetown University in Washington, D.C, where she’s been wait-listed.
When she gets an unexpected 24 from Georgetown University, she decides to 25 a road trip with a few 26 female friends. Melanie believes it is her first step 27 adulthood.
But 28 the fact that this trip is “girls only”, James isn’t 29 with the prospect(期望) of his little princess 30 the world without him. He wants to protect her, so he joins the girls and hopes he can convince Melanie to go to Northwestern. 31 Melanie’s father only has the best of 32 , his presence 33 an endless series of comic encounters(遭遇).
After following their faulty device  34  into the backwoods (偏远地区), James and Melanie  35  Melanie’s little brother and his pet pig have been hiding in the spare compartment (隔间). What should be a simple change  36  the expensive car rolling down a mountain, forcing them to hike to a nearby hotel…
All these disasters add spice to their trip while along the way a father and a daughter  37  get the chance to really  38  each other.
All parents,  39  they have college students or not, can relate to the bittersweet realization that their kids are growing up.  40  what Melanie and James have done, we all can find the delicate (脆弱的) balance between staying connected and letting go.
小题1:
A.namedB.namingC.namelyD.names
小题2:
A.joinB.sendC.attendD.pass
小题3:
A.stillB.alwaysC.yetD.already
小题4:
A.appointmentB.interviewC.visitD.meeting
小题5:
A.provideB.offerC.takeD.hold
小题6:
A.closingB.closeC.closedD.closely
小题7:
A.towardB.forC.duringD.with
小题8:
A.thoughB.in spiteC.onceD.despite
小题9:
A.satisfyingB.successfulC.comfortableD.meaningful
小题10:
A.seekingB.examiningC.searchingD.exploring
小题11:
A.SinceB.BecauseC.WhileD.When
小题12:
A.intentionsB.attemptsC.effortsD.planning
小题13:
A.comes aboutB.leads toC.calls inD.turns out
小题14:
A.latelyB.lateC.deeplyD.deep
小题15:
A.discoverB.inventC.recognizeD.realize
小题16:
A.succeeds inB.brings inC.results fromD.certainly
小题17:
A.hopefullyB.finallyC.firstlyD.certainly
小题18:
A.agree toB.speak toC.talk toD.turn to
小题19:
A.whetherB.ifC.whatD.why
小题20:
A.AsB.LikeC.ForD.Except
题型:单项选择题

给定关系R(A1,A2,A3,A4)上的函数依赖集F=A1→A2,A3→A2,A2→A3,A2→A4},R的候选关键字为 (22)

A.A1
B.A1A3
C.A1A3A4
D.A1A2A3

题型:单项选择题

尿素成品质量主要考核指标有()

A、含氮量

B、缩二脲

C、水含量

D、铁含量

题型:单项选择题

在记账无误的情况下,银行对账单与企业银行存款日记账账面余额不一致是因()造成的。

A、应付账款

B、未达账项

C、坏账损失

D、应收账款

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