患者男，24岁。反复发作性咳嗽咳痰、喘息10年余，再发加重3小时。查体见意识模糊，口唇发绀，BP：130/80mmHg，双肺呼吸音明显减低，呼气相延长，未闻及干湿啰音，心率128次/分，可触及奇脉。
为进一步明确诊断及判断病情程度最有意义的检查是（）
A.痰细胞学
B.胸部CT
C.动脉血气分析
D.PEF占预计值
E.皮肤过敏原试验
参考答案：C
Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the center.
| Older female managers are (51) that working under the (52) of younger female managers can be particularly (53) . While older women generally have long accepted the (54) of working for younger men, some are having difficulty in coming to grips with the idea that younger women are occupying more and more (55) positions. Today, nearly 1.5 million women under the age of thirty-five hold managerial jobs, up from 322,000 in the early 1970s. On one hand, this (56) signals improvement in the status of career-minded women. On the other hand, it can stifle progression and lead to dissatisfaction. Older women tend to be deferential (恭敬的，恭顺的) with coworkers and maternal with supervisors. Such (57) can infuriate young female executives and can (58) stressful working conditions. Conflict often arises because older workers frequently feel that they wow how things ought to be (59) . Their advice is sought in some cases, but most of the time they are perceived as a (60) of the "problem" by younger, career-oriented female managers. |
A．behave
B．behavior
C．behalf
D．belief