“五一”期间,几位同学乘坐游船在东江湖游玩,游船及学生共重3500N,求: (1

题型:问答题

问题:

“五一”期间,几位同学乘坐游船在东江湖游玩,游船及学生共重3500N,求:

(1)游船所受浮力的大小;

(2)游船排开水的体积多大(g=10N/kg).

考点:浮力及阿基米德原理
题型:问答题

右图是湖南长沙马王堆一座墓葬中出土的丝织品,上面用当时通行的字体抄写了一部典籍,他应该抄写于(   )

A.商周时期

B.秦汉时期

C.隋唐时期

D.宋元时期

题型:问答题

管仲改革实行“相地而衰征”和商鞅变法实施的“为田开阡陌封疆”的相同作用在于(  )

A.维护贵族土地所有制

B.某种程度上承认了土地私有

C.保证了平民获取了大量土地

D.法律上否认了土地国有制

题型:问答题
It was raining. I went into a cafe and asked for a coffee.  36 I was waiting for my drink, I realized there were other people in the place, but I sensed   37 . I saw their bodies, but I couldn’t feel their souls 38  their souls belonged to the  39  .
I stood up and walked between the tables. When I came to the biggest computer, I saw a thin, small man   40  in front of it. “ I’m Steve, ” he finally answered after I asked him a couple of times what his name was. “ I can’t talk with you. I’m  41 ,” he said. He was chatting online and,  42  , he was playing a computer game –a war game. I was  43  .
Why didn’t Steve want to talk with me? I tried  44 to speak to that computer geek(怪人),  45   not a word came out of his mouth. I touched his shoulder, but no reaction(反应). I was   46  . I put my hand in front of the monitor, and he started to shout “ 47 ! ”
I took a few steps back, wondering if all those people in the cafe were looking at me. I   48  , and saw nobody showed any interest.
49  , I realized that the people there were having a nice conversation with their machines, not with people. They were more   50  having a relationship with the   51  , particularly Steve. I wouldn’t want to  52  the future of human beings if they preferred sharing their lives with machines   53  with people.
I was worried and sank in my thoughts. I didn’t even   54  that the coffee was bad,  55  Steve didn’t notice there was a person next to him.
小题1:
A.BeforeB.SinceC.AlthoughD.While
小题2:
A.painB.lonelinessC.sadnessD.fear
小题3:
A.becauseB.whenC.untilD.unless
小题4:
A.homeB.worldC.NetD.Cafe
小题5:
A.sleepingB.sittingC.laughingD.learning
小题6:
A.tiredB.thirstyC.busyD.sick
小题7:
A.first of allB.just thenC.by that timeD.at the same time
小题8:
A.delightedB.surprised C.movedD.frightened
小题9:
A.onceB.firstC.againD.even
小题10:
A.orB.soC.ifD.but
小题11:
A.excitedB.respectedC.unhappy D.afraid
小题12:
A.Shut upB.Leave me aloneC.Enjoy yourselfD.Help me out
小题13:
A.walked aboutB.walked out
C.raised my handD.raised my head
小题14:
A.From then on B.At that momentC.In allD.Above all
小题15:
A.careful aboutB.tired ofC.interested inD.troubled by
小题16:
A.shop B.soulC.geekD.computer
小题17:
A.tellB.imagineC.planD.design
小题18:
A.other thanB.except forC.instead ofD.as well as
小题19:
A.pretendB.understandC.insistD.realize
小题20:
A.as ifB.just asC.just afterD.even though
题型:问答题

在拆水管路上安装压力表&真空表正确的是()。

A.出口装压力表进口装真空表

B.出口装真空表进口装压力表

C.出口装压力表

D.进口装真空表

题型:问答题

数据库系统中面向用户的部分,不可以称为( )。

A.用户视图

B.外模式

C.模式

D.子模式

更多题库