问题 单项选择题

下列何种治疗方案应首选

A.β-受体阻滞剂预防室性心律失常

B.抗生素控制感染

C.洋地黄类药物治疗

D.肾上腺皮质激素减轻支气管痉挛

E.吗啡和利尿剂治疗

答案

参考答案:E

解析:[解题思路] 1.反复胸痛,发作与劳累及情绪有关,休息可以缓解为典型心绞痛症状,3小时前出现持续性疼痛,进行性加剧,应考虑急性心肌梗死,气促,不能平卧,双肺散在哮鸣音及湿性啰音为左心衰竭的表现,心尖部可闻及Ⅲ级收缩期杂音为二尖瓣 * * 肌功能失调,故选E。3.急性心肌梗死首先要解除疼痛,有心力衰竭的要积极纠正心衰,故选E。

单项选择题

When Dave was eighteen, he bought a secondhand car for 200 so that he could travel to and from work more (1) than by bus. It worked quite well for a few years, but then it got so old, and it was costing him (2) much in repairs that he decided that he had better (3) it.

He asked among his friends to see if anyone was particularly (4) to buy a cheap car, but they all knew that it was falling to pieces, so (5) of them had any desire to buy it. Dave’s friend Sam saw that he was (6) when they met one evening, and said, "What’s (7) , Dave"

Dave told him, and Sam answered, "Well, what about advertising it in the paper You may (8) more for it that way than the cost of the advertisement!" Thinking that Sam’s (9) was sensible, he put an advertisement in an evening paper, which read "For sale: small car, (10) very little petrol, only two owners. Bargain at 50. " For two days after the advertisement first appeared, there was no (11) . But then on Saturday evening he had an enquiry. A man rang up and said he would like to (12) him about the car. "All right, " Dave said, feeling happy. He asked the man whether ten o’clock the next morning would be (13) or not. "Fine, " the man said, "and I’ll (14) my wife. We intend to go for a ride in it to (15) it. "

The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, (16) to wait there for the people who had (17) his advertisement. Even Dave had to (18) that the car really looked like a wreck. Then, soon after he had got the car as clean (19) it could be, a police car stopped just behind him and a policeman got out. He looked at Dave’s car and then said, "Have you reported this (20) to us yet, sir\

2().

A.so 

B.such 

C.very 

D.too

单项选择题