问题 单项选择题 案例分析题

男性,60岁,双下肢无力7年。患者7年前无明显诱因出现双下肢疲乏,呈进行性加重,伴步态不稳,如"脚下踩棉花感"。时作颈项板滞,双上肢沉重、无力。查体:颈椎生理弧度变直,04~6棘旁压痛,双下肢肌张力增高,膝、踝反射亢进,Hoffmann(+),踝阵挛(+)。X光片示:颈椎退行性变。

如对该患者行牵引治疗,牵引的重量是()。

A.1/3体重

B.1/2体重

C.1/10体重或稍超过

D.1/15体重或稍超过

E.1/20体重或稍超过

F.1/25体重或稍超过

答案

参考答案:C

单项选择题 A1/A2型题
阅读理解

B

It is surprising that eating three meals a day ─ breakfast, lunch, and dinner ─ has been a custom only since 1890. Before this time, they only had two meals a day ─ breakfast and dinner.

In the 16th century, breakfast was only to break one's fast (随便吃一点). But 200 years later it had become a large meal , not just for family, but for numbers of guests as well. It was a social event, It began at 10 a.m. and lasted until l p.m.. Then breakfast began to be less popular. It became , instead, a lighter meal and was taken at a much earlier hour. By 1850 it had been pushed hack to 8 a.m.. and became a family meal.

Dinner, however, went the other way. In the 16th century it was eaten at 11 a.m.. Years later, it had moved to the early afternoon, then to 5 p. m.. By 1850 dinner time had reached 7 p.m. Lunch is a recent idea. It first appeared as a snack to fill the gap between breakfast and dinner.

59. English people did not have lunch _________.

A. before 1890    B. after 1890        C. after 16th century   D. by 1850

60. "Dinner, however, went the other way" means _________.

A. Dinner didn't go there with breakfast    B. Dinner took the same way with breakfast

C. Dinner is different from breakfast        D. Dinner is the same with breakfast

61. Lunch has been served since the end of the ________ century.

A. seventeenth    B. eighteenth        C. sixteenth           D. nineteenth

62. The selection is mostly concerned with _________.

A. what people eat for breakfast         B. what people eat for dinner

C. the history of supper                D. the history of breakfast

63. The selection leads the reader to believe that __________.

A. our custom of meals is based on English custom

B. before 1890 people also ate three meals a day

C. breakfast is the most important meal for us

D. the body can adjust to two or three meals a day