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问题 单项选择题

为了降低（），预防故障发生，延长汽车使用寿命，汽车驾驶员一定要贯彻“预防为主，强制维护”的原则。

A.零件磨损速度

B.零件磨损极限

C.总成磨损速度

D.总成磨损极限

答案

参考答案：A

写作题

书面表达。

     北京仁爱国际英语学校八年级学生魏环境向福州的网友李志愿发了一封电子邮件，询问了一些情况。请根据来信帮他回一封电子邮件。

     注意：1. 词数：60词左右；

                 2. 邮件的开头和结尾已替你写好，不计入总词数。

Receiver：Li Zhiyuan@163. com

Subject：How to protect the clean water?

Dear Li Zhiyuan, I feel very excited about my visit to Fuzhou and meeting you for the first time! But I’m still not sure about the following questions:1. Are there any rivers or lakes in your city? 2. Is the water dirty or clean? Why? 3. Did you do anything useful to protect the clean water? Please let me know. 

                                                                                                                                         Your friend，  

                                                                                                                                         Wei Huanjing  

Dear Wei Huanjing，

       I am very excited to receive your e-mail.  I am interested in your questions. _________________________________________________________________________________________________________________________________________________________________________________     

Looking forward to meeting you soon.

                                                                                                                                               Yours, 

                                                                                                                                             Li Zhiyuan

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单项选择题 A1型题

造成病人轻度残疾，器官组织损伤，导致一般功能障碍的属于哪级医疗事故？（）

A.一级医疗事故

B.二级医疗事故

C.三级医疗事故

D.四级医疗事故

E.五级医疗事故
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