问题
单项选择题
慢性心房颤动病人应用洋地黄后心室律突然转为绝对规则，45/min，可能为下列哪种情况
A．已转变为窦性心律
B．已达洋地黄化
C．可能为洋地黄中毒
D．转为心房扑动
E．继续应用洋地黄，给予维持量
答案
参考答案：C
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慢性心房颤动病人应用洋地黄后心室律突然转为绝对规则，45/min，可能为下列哪种情况
A．已转变为窦性心律
B．已达洋地黄化
C．可能为洋地黄中毒
D．转为心房扑动
E．继续应用洋地黄，给予维持量
参考答案：C
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| Do you usually go to the supermarket for shopping? Now many people like buying things in the supermarket. So supermarkets are quite 1 with people. Some people will make shopping 2 first at home and 3 they go shopping. In this way, they can avoid (避免) 4 unnecessary (不必) things. Most people like to go to the supermarkets 5 there they can get almost everything. There are so many different 6 of things in a big supermarket. For 7 , clothes, food, shoes, sports things and so on. And usually people can buy things in supermarkets at a 8 price. When they get into the supermarket, they carry a 9 . Then they buy things and put them 10 the basket. After getting everything they want, they 11 the money at the cashier (收银员). It is very convenient (方便). Some people like going to the supermarket on 12 , because they are free at that time. They can spend more time 13 their favorite things. But there 14 usually many people in the supermarket on weekends, so it may be quite 15 . | ||||
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