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问题 问答题

读句子，回答问题。 

她走得很流畅，没有一点儿磕磕绊绊。

(1)“流畅”是指                                                       

(2)从“流畅”、“磕磕绊绊”可以看出安静虽然双目失明，但是从中可以体会到，安静是个                 的孩子。   

(3)这句话在文中的作用是[ ]

   A．照应前文   

   B．承上启下

   C．为下文做铺垫

答案

(1)动作协调、步履轻盈(意思对即可)    

(2)行走很快很稳    热爱春天、热爱生命(意思对即可)    

(3)A  C

选择题

下列离子反应方程式正确的是（　　）

A．金属钠投入蒸馏水2Na+2H2O=2Na++20H-+H2↑

B．向亚硫酸钠溶液中加入足量硝酸S032-+2H+=S02↑+H2O

C．用浓盐酸与Mn02反应制取少量氯气Mn02+4H++2Cl-=Mn2++2H2O+Cl2↑

D．硫酸亚铁溶液中加入酸化的双氧水Fe2++2H++H202=Fe3++2H2O
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完形填空
It’s difficult for doctors to help a person with a hurt brain.  36  enough blood, the brain can live only three to five minutes. Usually doctors can’t fix the hurt  37  such a short time.
Dr Robert White thinks he knows a  38  of help. He thinks doctors should make the hurt brain  39  to live for 30 minutes without blood. This gives the doctor  40  time to do something for the brain. Dr White experimented his  41  on fifteen monkeys.  42  he taught them to do different jobs. Then he operated on them. He made the monkeys’ blood go  43  a machine. When the brains’  44  was 10℃, he stopped the blood to the brain. After 30 minutes, he turned the blood back on. He  45  the blood again. After their operations, the monkeys were almost  46  before. They were healthy and busy. Each one could still do the job the doctor  47  them.
Dr White’s idea works well on monkeys. He thinks it will work on  48 . He think it will help with heart problems. A person  49  die when his heart stops; doctors can  50  it again. The problem comes: when the brain is without blood for about 5 minutes, it  51 . If doctors start the heart again after 5 minutes, the person has  52  body but a dead brain. Maybe in the future, doctors will  53  Dr White’s idea. When the person’s heart stops the doctor will  54  cool the brain. They will have 30 minutes to start the heart again. Maybe there will be no  55  the brain.
小题1:
A．Don’t haveB．WithoutC．Having notD．Only with
小题2:
A．forB．afterC．inD．since
小题3:
A．wayB．brainC．doctorD．man
小题4:
A．too coolB．enough coolC．cool enoughD．that cool
小题5:
A．a longerB．enoughC．a shorterD．another
小题6:
A．medicineB．mannersC．ideaD．brain
小题7:
A．BesidesB．InsteadC．HoweverD．First
小题8:
A．to B．acrossC．throughD．onto
小题9:
A．heatB．temperatureC．coolnessD．feeling
小题10:
A．cooledB．operatedC．warmedD．stopped
小题11:
A．the same asB．different fromC．used toD．cleverer than
小题12:
A．was taughtB．was teachingC．was to teachD．had taught
小题13:
A．other peopleB．human beingsC．other thingsD．more people
小题14:
A．doesn’t have toB．needn’tC．will be able toD．is afraid to
小题15:
A．startB．takeC．makeD．begin
小题16:
A．losesB．goesC．killsD．dies
小题17:
A．noB．a deadC．a livingD．a lively
小题18:
A．get B．acceptC．keepD．try
小题19:
A．soon B．quickly C．slowlyD．rapid
小题20:
A．use forB．wrong withC．value toD．problem with
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