问题 单项选择题

男性,30岁。进行性面色发黄、头昏、乏力半年。巩膜无黄染,脾肋下刚触及。血红蛋白35g/L,红细胞1.58×1012/L,白细胞4.45×109/L,网织红细胞0.012。MCV78fl,MCHC0.26。骨髓增生活跃,红系增生,以中幼及晚幼细胞为主,原红及早幼红细胞亦稍增高,部分幼红细胞呈巨幼样变。铁染色细胞外铁(+++),铁粒幼细胞0.73,环状铁幼粒细胞0.45。幼红细胞糖原染色阴性。血清铁29.9μmol/L,总铁结合力39.9μmol/L。本例最可能的诊断是下列哪一种疾病()

A.海洋性贫血

B.巨幼细胞性贫血

C.红血病

D.铁粒幼细胞性贫血

E.慢性感染性贫血

答案

参考答案:D

阅读理解

阅读理解。

     Have you ever been to New York City before? If you have a chance, you can travel there.

     New York is located (位于) in the southeast of the New York State. It's the largest city and port (港口) in

America, and the biggest economic (经济的) center in the world. We often call it "the Big Apple", "the City that

Never Sleeps", "the Capital of the World" and "the Empire City", etc.

     In New York City, there are many popular tourist attractions and landmarks.

     1. Empire State Building (built in 1931) It has 102 floors.

     Its name comes from the nickname of New York Empire State.

     2. The Statue of Liberty (自由女神像)

     We also call it "Liberty Enlightening the World". It's located in Liberty Island in New York Harbor (海港).

It's the symbol of the New York City.

     3. The Rockefeller Center (洛克菲勒中心) (built by the Rockefeller family)

     It is located in the center of Midtown Manhattan (曼哈顿). It has 19 commercial buildings.

     4. The American Museum of Natural History (built in 1869)

     It's a building in Roman and Renaissance (文艺复兴) styles.

     5. Central Park

     It's a large public, urban park in New York City.

     6. Broadway (百老汇)

     Broadway is a wise avenue in New York City. The name Broadway is an English translation of the Dutch

(荷兰的) name, Breede Weg.

1. New York City is _____.

A. the biggest city in America

B. the biggest port in America

C. the biggest economic center in the world

D. All of the above

2. Which one is called "Liberty Enlightening the World"?

A. Central Park

B. The Statue of Liberty

C. Empire State Building

D. Broadway 

3. We also call New York City "_____".

A. the Big Apple

B. the Capital of the America

C. the Empire City

D. both A and C

4. Which place is a wise avenue?

A. Broadway

B. The Rockefeller Center

C. Central Park

D. Empire State Building

5. Which of the following is NOT TRUE?

A. Empire State Building has 102 floors.

B. The American Museum of Natural History is a building in Roman and Renaissance styles.

C. Central Park is a small public, urban park in New York City.

D. The Rockefeller Center was built by the Rockefeller family.

单项选择题