问题
单项选择题 A1型题
可引起P-R间期延长的是（）。
A.一度房室传导阻滞
B.二度Ⅰ型房室传导阻滞
C.二度Ⅱ型房室传导阻滞
D.三度房室传导阻滞
E.右束支传导阻滞
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
可引起P-R间期延长的是（）。
A.一度房室传导阻滞
B.二度Ⅰ型房室传导阻滞
C.二度Ⅱ型房室传导阻滞
D.三度房室传导阻滞
E.右束支传导阻滞
参考答案：A
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| in the year 2020,New York will be a perfect place to live, Until then,many people will 1 to space and live there. 2 _, New York is still the place to be. There will be 3 high buildings and homes. The libraries will have computers, and you will be able to_4 books on them. All cinemas will have screens (银幕) as 5 as the buildings on all of the walls. The restaurants will have robot waiters to 6 you food. Schools will have teachers living in France to teach you 7 and teachers from ancient cities to teach you history. 8 the help of televisions and computers,transportation will be quick and on time. If you want to go to Africa,it will only 9 two hours by air. People will keep houses 10 by using the solar energy (太阳能). In a word,the way people live will change a lot in the future. | ||||
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