青霉素过敏反应的主要临床表现有哪些？
参考答案：
1．呼吸系统症状：由于喉头水肿、支气管痉挛、肺水肿所引起的胸闷、气促、哮喘、呼吸困难。
2．循环系统症状：由于周围血管扩张导致有效循环量不足，表现为面色苍白，冷汗，发给、脉搏细弱、血压下降。
3．中枢神经系统症状：因脑组织缺氧，可导致意识丧失、抽搐、大刁硬失禁等。4．其他过敏反应表现如尊麻疹、恶心、呕吐、腹痛、腹泻等。
| 用方框内所给动词的适当形式填空。 | |
 and I _____________ in the classroom. 2. My mother wants me to be doctor _____________. 3. Do you have to _____________ your English for 2008. 4. It's easy _____________ a diary for a month. It's hard for a year. 5. Our monitor is very _____________, he often helps us. 6. What are you going to _____________ when you grow up. 7. Does your sister _____________ to give you some help if you need. 8. Don't talk _____________ the film, it's too boring. |