问题
单项选择题 A3型题
患者男性，38岁，心悸、气短，伴双下肢水肿6个月，胸部体检双肺底可闻及细小湿啰音，心脏向左下扩大，心音低钝，心尖区可闻及3／6级收缩期吹风样杂音，肝大，否认发热和游走性关节肿痛史。
首先应考虑的诊断是（）
A.风湿性心脏病
B.先天性心脏病
C.扩张型心肌病
D.急性病毒性心肌炎
E.冠状动脉粥样硬化性心脏病
答案
参考答案：C
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患者男性，38岁，心悸、气短，伴双下肢水肿6个月，胸部体检双肺底可闻及细小湿啰音，心脏向左下扩大，心音低钝，心尖区可闻及3／6级收缩期吹风样杂音，肝大，否认发热和游走性关节肿痛史。
首先应考虑的诊断是（）
A.风湿性心脏病
B.先天性心脏病
C.扩张型心肌病
D.急性病毒性心肌炎
E.冠状动脉粥样硬化性心脏病
参考答案：C
| 完形填空。 | ||||
| There are robots all around us. Some do very 1 jobs like flying airplanes and driving subway trains. And some do simple jobs. When an automatic washing machine 2 , water goes in. The machine waits until the water is hot 3 washing the clothes. It does this by "feedback" (反馈). Information about what's 4 is "fed back" into the robot to tell it 5 next. Our eyes, ears and other senses (感官) are 6 feedback. They tell us 7 round us. So robots are like people in 8 ways. They work and they have feedback. But 9 robots look like people. Many are 10 ways. Robots control (控制) the temperature of our houses, our cookers, our hot water systems. We can 11 the controls to the temperature we want. The robot does 12 . Its feedback usually come 13 thermostat (自动调温器). Our kind of thermostat is a strip of metal (金属条), which bends (弯曲) when it gets hot. At the right temperature, it bends just enough 14 a switch. This turns off the heat. As the air around it gets 15 , the metal gets straight, and this turns the heat on again. | ||||
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