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CT图像后处理技术包括MPR、CPR、SSD、MIP、VRT、VE等，每种方式都有自身的特点与优势。

可以把轴位二维图像，重组为以体素为单位的三维数据，再用断面截取三维数据，重组为二维图像的CT后处理技术是（）。

A.MPR

B.SSD

C.MIP

D.VR

E.VE

答案

参考答案：A

解析：

多平面重组（MPR）可以把所得的二维图像重组成为以体素为单位的三维数据，再用断面截取三维数据，重组为二维图像。

阅读理解
阅读理解。
●   Last month, some volunteers from Xi'an went to a middle school in the mountain area. They
gave away 40 beds, 2 computers and hundreds of books to the students. The school lies deep in
the mountains. Students have to live in the school. But the school was too poor to provide beds
for them, so they had to
sleep on the desks. Thanks to the volunteers, now the students can sleep on their own beds in
the school.

●   The Zapps, from Argentina( 阿根廷), began their tour in their old cars several years ago. They
travelled to over 40 countries with four kids. Many people wondered what made them travel around
the world. They said, "It's just oue dream, a big dream, from Argentina to the whole world. Thanks
to those who supported us during our journey, our dream came true in the end. "Do you want to see
your dream come true?" If so, why not start right away?

●   Jack Tsonis and Lindsay Morrison in Sydney decided to do something special on the UN's
International Day of Peace. They both loved peace. They both wanted to break the world record for
the longest handshake to bring more love and peace to the world. To break the world record, they
needed to shake hands for over 11 hours without a stop. Finally they make it. Their arms hurt a lot,
but they were very happy.
1. The volunteer gave away _____ to the students.
A. beds and computers  
B. clothes and books  
C. desks and beds      
D. beds and bags.
2. What can we learn from the second story? 
A. We can hardly travel around the world if we have an old car.
B. We can travel around the world if nobody helps us.
C. We should realize our dreams if we have lots of money.
D. We should start right away if we want to realize our dream.
3. Which is TRUE about the men in the last story?
A. It took them less than 11 hours to break the world record.
B. They were happy though they didn't break the world record.
C. Both of them loved peace.            
D. They often shook hands
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填空题

如图为U形管压强计的示意图．当压强计的金属盒在某种液体中慢慢下移时，两管中液面高度差逐渐增大，这说明______；将金属盒停在某一深度，并改变金属盒膜朝向时，两管中液面高度差不变，这表明在同一深度处______．
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