问题
单项选择题 A1/A2型题
患者男，心脏听诊有三尖瓣相对关闭不全的杂音，它与二尖瓣关闭不全杂音的鉴别在于前者（）。
A.深吸气时杂音增强
B.有心脏增大的体征
C.心腔缩小杂音可减弱
D.为吹风样杂音
E.为收缩期杂音
答案
参考答案：A
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患者男，心脏听诊有三尖瓣相对关闭不全的杂音，它与二尖瓣关闭不全杂音的鉴别在于前者（）。
A.深吸气时杂音增强
B.有心脏增大的体征
C.心腔缩小杂音可减弱
D.为吹风样杂音
E.为收缩期杂音
参考答案：A
完形填空（共10分） We live in the “computer age”. People like scientists, teachers, writers and even students use computers to do 16 work. But more than 40 years ago, 17 couldn’t do much. They were very big and expensive. Very 18 people were interested in them and knew how to use them. Today computers are smaller and 1  9 . 20 they can do a lot of work, many people like to use them. Some people even have them at home.Computers become very important because they can work 21 than men and make fewer mistakes. Computers can 22 people do a lot of work. Writers now use computers to write. Teachers use them to help teaching. Students use them to study and children use them to play games. Computers can also remember what you put 23 them. Computers are very 24 and helpful. They are our good friends. Do you want to 25 a computer?
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