问题 单项选择题

男性,56岁。面色苍白6月。查体:贫血貌。血常规WBC:2.1×109,Hb:55g/L,PLT:120×109。经骨穿及活检诊断为骨髓增生异常综合征。该患者骨穿最有可能的表现是()

A.骨髓增生活跃,粒系和红系病态造血

B.骨髓增生减低,形态大致正常,非造血细胞比例明显升高

C.骨髓增生异常活跃,原始细胞占骨髓有核细胞的40%

D.骨髓增生活跃,红细胞"核老浆幼"

E.粒系和红系增生减低,形态正常

答案

参考答案:A

选择题
阅读理解

阅读下列短文,根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Choosing to Study Overseas

Every year, thousands of students choose to study in another country for a semester, the summer, or a year. Studying overseas can be an exciting experience for many people.

  小题1:  

Living in another country can help you to learn a language, and about another culture.

  小题2:   Overseas study may also look good on your future resume. Many companies today want employees who speak a second language, or have experienced living or working in another country.

Making the right choice

Once you decide to study overseas, you have to make some choices. To choose the right country or school. Ask yourself: Where do I want to go and why? How much do I want to pay?

   小题3:   Do I want to live with a host family, with roommates, or alone?

Getting ready to go

Get your passport and visa early!  小题4:  Learn about the money. Bring some of it, and a credit card, with you.

Once you are there

After the first few weeks overseas, many students will feel a little homesick. They may miss their family, friends, and familiar ways of doing things.   小题5:     When you feel sad or homesick, try to talk to others, or write about your feelings in a notebook.

A.You should improve your mother tongue before you go.

B.Why do it?

C.large number of students can’t afford to study overseas.

D.How long do I want to study overseas?E. Remember that it takes time to get used to a new place, school, and culture.

F. You will see the world in a new way, and learn more about yourself.

G. Before you go, learn some of the language, and read about some common customs in your host country.