男性,70岁,3个月前出现吃较干硬的食物时有哽噎感,喜欢吃较软的食物,且哽噎感越来越明显,体检无阳性体征,X线钡餐造影可见局限性食管壁僵硬,化验检查无明显异常。应首先考虑的疾病是()
A. 食管炎
B. 食管癌
C. 食管憩室
D. 食管静脉曲张
E. 贲门失弛缓症
能够使PT检测结果延长的血浆是
A. 轻度溶血血浆
B. 富含血小板的血浆
C. 贫含血小板的血浆
D. 轻度乳糜的血浆
E. 严重溶血的血浆
The United States has many different 1 of climates. 2 the west coast the temperature changes very little 3 summer and winter, but the north central states have a very different kind of climate. In those places people 4 light clothing during the summer and they need to have wool or fur clothing in winter. In the southwest the climate is pleasantly warm during the winter, 5 the summer is unpleasantly hot. In the eastern part of the United States summer temperatures are very different 6 winter temperatures. Summers are usually hot, but winters are usually cold. Spring temperatures are pleasantly cool. Years ago, people in the cold part of the United States 7 often get fresh vegetables and fresh fruits during the winter. Today, 8 , trucks and trains carry fruits and vegetables very quickly to all parts of the United States. In this 9 , Americans "send their climates" to people in 10 states.
A. wasn’t
B. didn’t
C. did
The United States has many different 1 of climates. 2 the west coast the temperature changes very little 3 summer and winter, but the north central states have a very different kind of climate. In those places people 4 light clothing during the summer and they need to have wool or fur clothing in winter. In the southwest the climate is pleasantly warm during the winter, 5 the summer is unpleasantly hot. In the eastern part of the United States summer temperatures are very different 6 winter temperatures. Summers are usually hot, but winters are usually cold. Spring temperatures are pleasantly cool. Years ago, people in the cold part of the United States 7 often get fresh vegetables and fresh fruits during the winter. Today, 8 , trucks and trains carry fruits and vegetables very quickly to all parts of the United States. In this 9 , Americans "send their climates" to people in 10 states.
A. others
B. another
C. other