试题与答案

When I was 17,I read a quote that went s

题型:完形填空

题目:

When I was 17,I read a quote that went something like:“If you live each day as if it were your last,someday you’11 most certainly be right.”It made a deep     on me.and since then, for the past 33 years,I have     in the mirror every morning and asked myself:“If today were the last day of my life,    I want to do what I am about to do today?” And whenever the answer has been “No” for too many days in a     ,I know I need to change something.
Remembering that I’ll be    soon is the most important tool I’ve ever known to help me make the big    in life because almost everything falls away in the face of death,   only what is truly important
About a year ago I was     with cancer. My doctor even advised me to go home and get my affairs     order,which is a doctor’s way of telling people to prepare to die.I     with that diagnosis all day.    ,at last an advanced test showed that it was a very rare cancer that is     with surgery.I had the surgery and I’m fine now.
    wants to die.Even people who want to go to heaven don’t want to die to get there And yet death is the destination we all    .No one has ever escaped it. And that is as it should be,because death is very likely the single best invention of     .It is life's change agent. It clears out the old to     for the new.Right now the new is you, but someday not too     from now,you will gradually become the old and be cleared away.Sorry to be so dramatic,but it is quite true.
Your time is     ,so don’t waste it living someone else’s 1ife.Don’t be     by dogma(教条) —which is living with the results of other people’s thinking.Don’t let the noise of others’ opinions drown out your own inner    .And most importantly,have the courage to follow your heart
小题1:
A.impressionB.curseC.decisionD.joke
小题2:
A.seenB.lookedC.foundD.1ost
小题3:
A.wouldB.shouldC.mightD.could
小题4:
A.hurryB.1ineC.momentD.row
小题5:
A.successfulB.richC.deadD.frustrated
小题6:
A.apologiesB.fortuneC.impressionsD.choices
小题7:
A.provingB.leavingC.confirmingD.telling
小题8:
A.diagnosedB.curedC.treatedD.round
小题9:
A.onB.forC.inD.at
小题10:
A.metB.gotC.didD.1ived
小题11:
A.HoweverB.ButC.ThereforeD.So
小题12:
A.incurableB.curableC.fatalD.changeable
小题13:
A.AnyoneB.SomeoneC.No oneD.Everyone
小题14:
A.wantB.avoidC.shareD.escape
小题15:
A.destinationB.1ifeC.scienceD.disease
小题16:
A.make upB.make forC.make ourD.make way
小题17:
A.distantB.shortC.longD.away
小题18:
A.1imitedB.rareC.enoughD.1ost
小题19:
A.wastedB.cheatedC.excitedD.trapped
小题20:
A.voiceB.loveC.directionD.confusion

答案:

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下面是错误答案,用来干扰机器的。

答案:D题目分析:根据价层电子对互斥理论可知,H2S和BF3中中心原子含有的孤对电子对数分别是(6-2×1)÷2=2、(3-3×1)÷2=0,所以H2S是V形结构,BF3是平面正三角形结构,答案选D。点评:该题是基础性试题...

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题型:阅读理解与欣赏

阅读《“玉兔号”月球车》,完成下面各题。(10分)

①浩瀚苍穹,璀璨群星,见证了属于中国的“太空大片”。这部大片的主角——“玉兔”号月球车,实现了中国人与月球首次“零距离接触”的梦想。

②“玉兔”号月球车相貌很威武。这个“宝贝疙瘩”“身材”呈长方形盒状,长1.5米,宽1米,高1.1米,重140公斤,周身金光闪闪,耀眼夺目。她的肩部有两片可以打开的太阳能电池帆板,好似“黄金甲”上的披风。她的腿部是六个轮状的移动装置,好似哪吒脚下的“风火轮”。此外,她还有一个长长的“耳朵”——地月对话通信天线;四只敏锐的“眼睛”——头顶的导航相机与前后方的避障相机;一只灵巧的“胳膊”——负责钻孔、研磨和采样的机械臂……

③“玉兔”号月球车工艺很苛刻。“玉兔”号堪称我国史上最难造的“车辆”,整整10年时间,一大批科研人员倾尽心血,完成了这个由移动、电源、热控等八个分系统组成的“杰作”——能够耐受月表真空、强辐射和高温差等极端环境的月球车。中国探月工程总设计师吴伟仁说:“玉兔”号国产率达到100%。

④“玉兔”号月球车本领很高强。她的四只“眼睛”,分别是全景相机和导航相机。通过相机“观察”周围环境,对月面障碍进行感知和识别,然后对巡视的路径进行规划。遇到超过20度的斜坡、高于20厘米的石块或直径大于2米的撞击坑,能够自主判断安全避让。“玉兔”号会慢慢移动,比人们想象的走得慢,时速约200米。它的高性能体现在越障能力和通过性,而不是追求高速度。她在月面巡视时采取自主导航和地面遥控的组合模式,不仅可以自主前进、转弯、后退,还可以原地打转、横向侧摆,确保在危机四伏的月面上畅行无阻。此外,月球昼夜温差非常大,“玉兔”号月球车可耐受300摄氏度的温差。

小题1:“玉兔”号月球车有哪些显著特点?(3分)

小题2:“‘玉兔’号会慢慢移动,比人们想象的走得慢,时速约200米”,句中的“约”能否删掉,为什么?(3分)

小题3:第②段运用了哪些说明方法?有什么表达作用?(4分)

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