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问题 单项选择题 A3/A4型题

患者，女性，66岁。心前区持续闷痛2小时，晕厥1次，持续3分钟，有高血压、糖尿病病史6年。查体：血压80/60mmHg，脉搏50次／分，双下肺闻及湿啰音，心率48次／分，心音低。心电图示Ⅱ、Ⅲ、aVF、V7~9、V3R~5R导联ST段抬高>0.1mV。

假设信息，上述患者心尖部出现收缩期吹风样杂音，为明确杂音产生的原因，应选的最合适检查是（）

A.胸部X线片

B.超声心动图

C.肌钙蛋白-T

D.冠状动脉造影检查

E.放射性核素心肌显像

答案

参考答案：B

阅读理解
Welcome to one of the largest collections of footwear(鞋类)in the world that will make you green with envy. Here at the Footwear Museum you can see exhibits(展品)from all over the world. You can find out about shoes worn by everyone from the Ancient Egyptians to pop stars.
Room 1
The celebrity(名人)footwear section is probably the most popular in the entire museum. Started in the 1950s there is a wide variety of shoes and boots belonging to everyone from queens and presidents to pop stars and actors! Most visitors find the celebrities' choice of footwear extremely interesting.
 
 
Room 2
Most of our visitors are amazed—and shocked—by the collection of “special purpose” shoes on exhibition here at the Museum of Footwear. For example, there are Chinese shoes made of silk that were worn by women to tie their feet firmly to prevent them from growing too much！
 
Room 3
As well as shoes and boots, the museum also exhibits shoe­shaped objects. The variety is unbelievable. For example, there is a metal lamp that resembles a pair of shoes, and Greek wine bottles that look like legs！
 
The Footwear Library
People come from all over the world to study in our excellent footwear library. Designers and researchers come here to look up information on anything and everything related to the subject of footwear.
小题1:Where would you find a famous singer's shoes?
A．Room 1.B．Room 2. C．Room 3.D．The Footwear Library.
小题2:All exhibits each room ________.
A．share the same theme B．have the same shape
C．are made of the same materialD．belong to the same social class
小题3:Which of the following is true according to the text?
A．The oldest exhibits in Room 1 were made in the 1950s.
B．Room 2 is the most visited place in the museum.
C．Room 3 has a richer variety of exhibits than the other two.
D．Researchers come to the Footwear Library for data. (资料，数据)
小题4:The purpose of the text is to get more people to ________.
A．do researchB．design shoes C．visit the museumD．follow celebrities
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单项选择题

步进式冷床可以保证小方坯（）

A.提高拉速

B.降低劳动强度

C.均匀冷却

D.节省能源
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