搜题请搜索小程序“爱下问搜题”
问题 单项选择题

超声止血刀使用注意事项不包括：（）

A.使用独立电源线路，避免干扰，应远离高频电刀主机至少1m

B.使用前应认真检查各组件的完好性

C.超声止血刀自检时，刀头应闭合

D.使用过程中，每隔10～15分钟应及时清洁刀头，防止堵塞

答案

参考答案：C

听力题

单词拼写(共8小题；每小题l分，满分7分)

小题1:That professor has s______________ from cancer for almost one year.

小题2:There were 2,000 people p____________ at the meeting yesterday.

小题3:He p__________ to stay home rather than go camping, so we went without him.

小题4:To tell you the truth, I’m d_________________ to leave my present work and set up a company of my own.

小题5:The production plan was finished ahead of s_______________ after the staff worked day and night.

小题6:He is a r_______________ boy so we can rely on him.

小题7:J____________ from his appearance, the manager must be over fifty.

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单项选择题

“针对不同专业用户的需要所编制的大量的应用程序，进而把它们逐步实现标准化、模块化所形成的解决各种典型问题的应用程序的组合”描述的是

A．软件包

B．软件集

C．系列软件

D．以上都不是
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