题目内容
阅读下列短文,从所给的四个选项中,选出最佳答案
Charles Drew, a young black doctor, became an expert in the field of blood and blood transfusions(输血).He discovered a way of isolating(分离)the liquid part of the blood, called plasma, from whole blood.Plasma could then be changed into powder and stored a certain period of time.During World War II blood plasma was badly needed.Drew's discovery had been most timely, and many thousands of lives were saved on battlefields all over the world.
One evening, after the war, Dr Drew lost control of his car on a highway somewhere in the southern United States.He was seriously hurt, and taken to a hospital nearby.But it was only for the white people.It didn't offer Drew the care he needed.He died from loss of blood.His own discovery --- blood plasma --- could have saved his life.
(1) The liquid part of blood ________.
[
]A
.was invented by DrewB
.couldn't be frozenC
.is called plasmaD
.has nothing to do with transfusion(2) Drew's discovery was timely because ________
.[
]A
.the soldiers were very hungryB
.prize was offered for itC
.he needed the moneyD
.blood transfusions were badly needed in the war(3) Dr Drew received no care because ______
__.[
]A
.the hospital had no bloodB
.he was blackC
.his age was against himD
.his leg was broken(4) At a different time or hospital ______
__.[
]A
.Drew might have died soonerB
.blood would have been lostC
.there would have been doctors and nursesD
.Drew might have been cared for