搜题请搜索小程序“爱下问搜题”
问题 单项选择题

微型计算机的外存设备有：（）。

A.磁盘、磁带、光盘等

B.磁盘、打印机、CD－ROM等

C.磁盘、绘图仪、MO光盘等

D.磁盘、扫描仪、打印机、光盘等

答案

参考答案：A

写作题

假定你是李华，正在一所英国学校学习暑假课程，遇到一些困难，希望得到学校辅导中心(Learning Center)的帮助。根据学校规定，你需书面预约，请按下列要点写一封信：

1. 本人简介；2. 求助内容； 3. 约定时间；

4. 你的联系方式(Email: lihua@1236.com; Phone:12345678)

注意：1. 词数100左右； 2. 可以适当增加细节以使行文连贯；

3. 信的开头和结尾已为你写好

Dear Sir/ Madam,

                                                                           

                                                                                  

                                                                            

                                                                            

                                                                            

                                                                           

                                                                                  

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

                                                                            

Yours,

Li Hua
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单项选择题

工程建设项目竣工验收阶段中，质量风险的处置措施是( )。

A．风险缓解
B．风险自留
C．风险控制
D．风险转移
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