2018高考英语完形填空3
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The idea of the blood transfusion is very simple, but that idea has saved many thousands of lives over the past century. Often, if a person is in a (n) 21 or has an operation, he will lose a lot of blood and these are the times when a blood transfusion is needed. This 22 means taking blood from another person and putting it into the body of the 23
Doctors have been carrying out blood transfusions for 24 . There are several types of blood and that the correct type must always be used. So, you might be 25 "What does this have to 26 me?" Well, it has something to do with all of us. Hospitals need to keep back the blood ready for transfusions. The only way they can get that blood is from 27 people like you. Every human body has five liters of blood and we take 0.25
liters from each person. This is completely 28 . In fact, your body will make enough blood to 29 it after only a day. Giving blood only
30 a short while and it doesn't hurt. It costs you nothing and it could save a life. So please blood.
21. A. hospital B. accident C. action D. treatment
22. A. simply B. mainly C. partly D. largely
23. A. person B. man C. woman D. patient
24. A. centuries B. months C. years D. weeks
25. A. worrying B. considering C. thinking D. leaving
26. A. deal with B. do with C. go with D. connect with
27. A. common B. usual C. ordinary D. general
28. A. safe B. unsafe C. good D. available
29. A. recover B. return C. regain D. replace
30. A. takes B. costs C. spends D. nses