2015年职称英语卫生类概括大意练习(11)
1.Paragraph 1 ______
2.Paragraph 2 ______
3.Paragraph 3 ______
4.Paragraph 4 ______
A The Heart Transplantation
B How the Heart-lung Machine Works
C A Machine Making Many Kinds of Thoracic Operations Possible
D A Temporary Substitute for the Diseased Valve
E Operations on Cardiac Valves and Substitutes for Valves
F How Every Part of the Heart Performs Its Function
5.The blood is oxygenated and carbon dioxide in it is removed ______.
6.The heart-lung machine is an essential helper for surgeons ______.
7.Endocarditis may cause valves to be damaged ______.
8.It is extremely important in heart transplantation ______.
A and finally they fail to function properly
B to perform many surgical operations on the chest
C when it passes through the heart-lung machine
D and they no longer obstruct the blood flow
E to match tissues of the donor and the recipient
F when the ineffective valves are replaced by artificial ones
答案与题解:
1.C 本题答案主要在第一段第二句,该句说到没有人工心肺机许多胸外科手术就无法做。
2.B 第二段详细叙述了人工心肺机的工作原理,它是如何在手术期间代替心脏的功能的。
3.E 第三段讲述了缺损瓣膜的手术及其代用品。
4.A 第四段主要讲心脏移植及其代用品。
5.C 此问题的答案在第二段第三句,该句说的就是血液在通过人工心肺机时得以充氧并将二氧化碳排出。
6.B 本题是根据第一段前两句得出的结论,它是胸外科医生必不可少的助手。
7.A 第三段第一句讲的就是本题的意思。
8.E 文章最后两句说组织匹配是为了避免排异反应,故它是心脏移植中最重要的事情。