女性,50岁,经食管钡餐X线检查诊为食管中段癌。请问食管癌的特征除外下列何种情况()

题型:单项选择题

问题:

女性,50岁,经食管钡餐X线检查诊为食管中段癌。请问食管癌的特征除外下列何种情况()

A.最常发生于食管中段

B.肿瘤可呈多点起源发生

C.细胞类型以鳞癌多见

D.食管中段癌预后最佳

E.男性患者多于女性患者

考点:广东住院医师急诊医学心胸外科心胸外科题库
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简述氮测定法的基本原理和方法,其中加入硫酸钾、硫酸铜各起什么作用

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继续进行混凝土工程施工时,要求混凝土受压强度必须达到()。

A.2.0N/mm2

B.1.2N/mm2

C.1.0N/mm2

D.0.6N/mm2

题型:单项选择题

阅读理解

     Modern life is impossible without travelling. The fastest way to travel is by air. With a modern plane you can travel in one day to places which took a month or more one hundred years ago.

     Travelling by train is slower than by air, but it has its advantages. You can see the country you are

travelling in. Modern trains have comfortable seats and dining cars. They make even the longest journey

enjoyable.

      Some people prefer to travel by sea when it is possible. There are large liners and river boats with

which you can visit many other countries and different places. Travelling by sea is a very pleasant way to

spend a holiday.

     Many people like to travel by car. You can make your own timetable. You can travel three or four

hundred miles or only fifty miles a day, just as you like .You can stop wherever you wish: where there is

something interesting to see, at a good restaurant where you can enjoy a good meal, or a hotel to spend

the night. That is why travelling by car is popular for pleasure trips, while people usually take a train or a

plane when they are travelling on business.

1.From the passage we know that the fastest way to travel is ______

A. by car    

B. by train    

C by plane      

D. by boat

2.If we travel by car, we can____________     .

A. only stop at the destination                            

B. make our own timetable

C.travel to a very far place in several minutes  

D.travel one thousand miles a day.

3.The underlined word "They" in the passage refers to__________________      .

A .modern trains in the country

B. the travelers on modern trains

C. comfortable seats and dining cars

D. the slower ways to travel

4.How many ways to travel are mentioned in the passage?

A. Five    

B. Six      

C. Three        

D. Four

5.The best title of this passage is___________________  .

A. ways to travel          

B. travels    

C. transportation        

D. modern life

题型:单项选择题

患者,女性,18岁。因摔伤致左腕肿痛、畸形、不能活动1小时而急诊入院。自述1小时前在旱冰场被人故意撞倒,左手掌先触地,当即感左腕疼痛、变形、不能活动,随后肿胀、疼痛加剧,由同学扶送来院。体查:左腕餐叉样畸形,肿胀明显,局部压痛剧烈,有异常活动及骨擦音,末梢循环好。X线片证实局部骨皮质的完整性和连续性中断。

题型:单项选择题

将植物横放,测量根和茎生长素浓度与其生长状况的关系如甲图所示,则曲线上P点最可

能对应于乙图中的位置是()

A.a

B.b

C.c

D.d

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