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问题 单项选择题

男性患者，25岁。10d前患急性肠炎，近几年来天天心悸，晕厥数次。血压120/80mmHg，心率40/min。C-反应蛋白(++)。血清病毒中和抗体1:640(+)。心电图示：Ⅲ度房室传导阻滞。目前首选的治疗措施是

A．吸氧，卧床休息

B．营养心肌药物

C．安置临时心脏起搏器

D．使用糖皮质激素

E．使用抗生素

答案

参考答案：C

解答题
解方程
①
1
3
x-
1
4
x=8
②x：28%=
7
4
：0.7．
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听力题

用括号中词的适当形式填空

Linda loves her dog Davy. They went to New York City last Saturday. While Linda1(buy) a newspaper at the train station, the dog got out of his box and run away. The station was 2       (crowd) and Linda couldn’t see Davy3__         (everywhere).When Linda4       (shout) his name, some people looked at her but Davy didn’t come. Then she called the police. While she was talking on the phone, Davy5         (meet) another dog outside the station. She didn’t think about6      (look) outside the station.7    (final), a little boy said to her,” Did you look outside? I saw a black dog when I came in.” When Linda saw Davy, he was jumping and8__  (run) with another dog. There was a police9    （office）next to them. He said to her.” I think my dog 10______(find) your dog. ” 
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