When you cut your skin, you bleed(流血). If a person loses a lot of blood, he will become ill and may die. Blood is very important. People have always known that. At one time, some people even drank blood to make them strong!
When doctors understand how blood goes around inside the body, they try ways of giving blood to people who need it. They take blood from the healthy people and give it to people who need it. This is called " blood transfusion（輸血）". The blood goes from the arm of the healthy person into the arm of the sick person.
But there are two problems. First, it does not always work. Sometimes people die when they have blood transfusion. Later, doctors find that we do not all have the same kind of blood. There are four groups—O, A, B and AB. We all have blood of one of these groups. They also find that they can give any kind of blood to people of group AB. But they find that they must give A-group blood to A-group people and B-group blood to B-group people. I have O-group blood and the doctor told me that I could give blood to anyone else safely.
There is another problem. To give blood of the right kind, doctors have to find a person of the right blood group. Often they can not find a person in time. If they have a way to keep the blood until someone needs it, they can always have the right kind of blood. At first they find they can keep it in bottles for fifteen to twenty days. They do this by making it very cold. Then they find how to keep it longer. In the end they find a way of keeping blood for a very long time.
We call a place where we keep money a "bank". We call a place where we keep blood a "blood bank". One day, when you grow up, you may decide to give blood to a "blood bank". In this way you may stop someone from dying. Or perhaps one day you may become ill. You may need blood. The "blood bank" will give it to you.
小題1:From the passage, we learn that sometimes people die when they have blood transfusions because they __________ .
A．a(chǎn)re given the cold bloodB．lose too much blood
C．a(chǎn)re given the wrong kind of bloodD．a(chǎn)re O-group people
小題2:Which of the following is true? ________
A．We can drink blood to make us strong.
B．Blood transfusion is always safe.
C．The writer has O-group blood and can give blood to anyone.
D．The blood can only be kept for 15to 20 days.
小題3:People set up the "blood bank" so that they can _____________ .
A．give the right kind of blood to the people who need it in time
B．keep different groups of blood as much as possible
C．make it easier to sell or buy blood
D．keep blood for more than twenty hundred years
小題4:From the last paragraph (段落) of the passage, we learn that _____________ .
A．the writer thinks it's good to give blood to a "blood bank"
B．we may become ill if we give blood to a "blood bank"
C．there are many blood banks in the world today.
D．blood is more important than money
小題5:The writer doesn't talk about ____________ in the passage.
A．how important blood is to us B．the four groups of blood
C．where the blood bank is D．what "blood transfusion" is

小題1:C
小題2:C
小題3:A
小題4:A
小題5:C

試題分析：這篇短文主要講述血在我們的生命中重要的東西，人失血太多有可能失去生命，獻(xiàn)血既可以救人又可以在自己需要時(shí)使用，所以獻(xiàn)血對(duì)自己是有好處的。
小題1:推理判斷題。根據(jù)短文第三段Later, doctors find that we do not all have the same kind of blood.描述，可知我們的血型不是都一樣。可以推理輸血后死亡是由于血型錯(cuò)誤。故選C。
小題2:是非判斷題。根據(jù)At one time, some people even drank blood to make them strong! 可知時(shí)間是以前的某個(gè)時(shí)期，故A不正確。根據(jù)Sometimes people die when they have blood transfusion.可知B錯(cuò)誤。根據(jù)I have O-group blood and the doctor told me that I could give blood to anyone else safely.可知C正確。根據(jù)In the end they find a way of keeping blood for a very long time.可知D不正確。故選C。
小題3:推理判斷題。根據(jù)最后一段及短文Often they can not find a person in time. If they have a way to keep the blood until someone needs it描述，可知是為了儲(chǔ)存血液，當(dāng)需要時(shí)可以使用。故選A.
小題4:推理判斷題。根據(jù)最后一段In this way you may stop someone from dying. Or perhaps one day you may become ill. You may need blood. The "blood bank" will give it to you.可知，獻(xiàn)血既可以救人又可以在自己需要時(shí)使用，所以獻(xiàn)血對(duì)自己是有好處的，故選A
小題5:詞義猜測(cè)題。根據(jù)文章作者沒有談?wù)摰窖獛斓奈恢茫蔬xC。
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