问题
单项选择题
下列哪项符合心房颤动的临床表现（）
A.心率快，规整
B.心率慢，不规整
C.心率快，节律完全不整
D.心率慢，规整
E.心率慢，节律完全不整
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
下列哪项符合心房颤动的临床表现（）
A.心率快，规整
B.心率慢，不规整
C.心率快，节律完全不整
D.心率慢，规整
E.心率慢，节律完全不整
参考答案：C
完形填空(共20小题；每小题1分，满分20分) 阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项(A、B、C和D)中， 选出最佳选项，并在答题卡上将该项涂黑。 Two old beggars were sitting on a busy corner. They watched helplessly as scores of people walked by, some purposely ___36___ them and others too caught up in their own cares to even notice their __37__. Every so often, a __38__woman or a small child would drop a few coins in the __39__ which lay in front of them. As the crowd began to die down, they started to __40_ their things and head for their evening shelters. Just as they were getting ready to leave, they noticed a man walking toward them. He was obviously a _ 41 man ----they could tell that from his finely tailored business suit. The first beggar whispered to the second with _____, “ He’s coming our way!” The two tried not to look ___43____ at the man as he stepped closer to them, but they couldn’t ___44___ gazing up with anticipation (期待) as he reached into his pocket and took something out. “Trunk” was the only sound they heard __45___ what looked like a piece of hard _46__, wrapped in tissue paper hit each of their waiting hats. The rich man __47__ and continued on his way, not making a backward glance. “How insulting (侮辱人的)!” said the first beggar. “He could have __48___ left us a few coins or a spare bill, but he mocks (嘲弄) us with a piece of rock candy. Who does he think we are ----__49___? There’s no way we can even eat this ---------we have no __50___.” He picked up the object and threw it into the gutter(排水沟). “I haven’t had anything like this for ages,” the _51_beggar thought. “I can’t chew it, but I can suck on it for while, and the sugary juices will stay in my _52__ for a long time. How nice of that man to offer me something so sweet.” With that, he _53_ the white tissue paper, but to his _54__, there was no hard rock candy inside. _55_, into his fell a shiny white pearl worth thousands of dollars.
|