问题 单项选择题

冠心病患者术前服用β-受体阻滞剂可

A.应用至手术当天
B.术前1天停药
C.术前1周停药
D.术前24~48小时停药
E.术前2周停药

答案

参考答案:A

解析:冠心病患者用β-受体阻滞剂是为了减少心肌耗氧量,停药后心肌耗氧量增加,会诱发或加重心绞痛症状,故主张继续服药至手术当天。

完形填空

第二部分.英语知识运用(共两节,满分45分)

第一节完形填空(共15小题;每小题2分,满分30分)

阅读下面短文,掌握其大意,然后从21—35各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

Recently, I was driving down a highway at about 60 miles an hour. A car came from the  21  direction at about the same speed. As we passed each other, I looked into the driver’s eyes for a second. I  22  whether he might be thinking, as I was, how   23  we were on each other at that moment. I was relying on him not to fall  24  , not to cross over into my lane (车道) and bring my  25  to a sudden end. He relied on me in just the same way without  26   .

I believe that is the way the world  27 . At some level, we all depend upon one another. Sometimes that dependence requires us simply not to  28  over the double yellow line. Sometimes it requires us to act cooperatively (同心协力地), with friends or even  29  .

As technology makes our world smaller, the need increases for cooperation. In 2003, doctors in five nations were encouraged to  30  the causes of SARS, saving thousands of lives. The threat(威胁) of international terrorism(恐怖主义) has shown itself to be a similar  31  , one requiring the  32 across the world. We must  33  that our future is not controlled by ourselves alone.

I’ve come to believe that one must rely upon the good faith and judgment of others. So, while  34  alone down a dark road, we must know the coming light may not be a danger, but a  35  moment of trust.

21. A. same          B. opposite          C. near         D. far

22. A. asked          B. searched          C. repeated      D. wondered

23. A. friendly             B. strange           C. dependent    D. confident

24. A. awake        B. asleep           C. away        D. apart

25. A. car                       B. trip               C. journey       D. life

26. A. doubt         B. success          C. difficulty     D. feeling

27. A. forms         B. runs           C. works       D. appears

28. A. jump          B. cross             C. take         D. go

29. A. strangers        B. relatives          C. colleagues   D. animals

30. A. determine      B. damage          C. consider     D. find

31. A. condition       B. problem               C. situation      D. question

32. A. efforts                    B. practice         C. fighting      D. forces

33. A. hope                   B. decide          C. realize       D. face

34. A. sitting             B. standing        C. flying             D. driving

35. A. closed              B. shared          C. broken            D. concerned

选择题