试题与答案

制备注射剂和滴眼剂的洁净室,为了保持空气的洁净,需要维持什么特定条件A.室内应维持紫

题型:单项选择题

题目:

制备注射剂和滴眼剂的洁净室,为了保持空气的洁净,需要维持什么特定条件

A.室内应维持紫外线照射

B.室内应维持特定光亮度

C.室内应维持一定的正压

D.室内应维持湿度越低越好

E.室内应维持较高的温度

答案:

参考答案:C

解析:洁净室空气质量除洁净度(微粒数)要求外,还有温度(18~26℃)、相对湿度 (40%~60%)、压力(保持正压)的要求。这 4个要求是洁净室设计的标准。

试题推荐
题型:阅读理解

试题类型:阅读理解  试题难度:一般  更新时间:2012/7/9 9:53:57

Nearly all of us have an unpleasant habit, whether we realize it or not, and we want to get rid of it but didn’t know the proper ways. Here’s some advice on how to get rid of bad habits.

n Make a list.   Write down all the reasons why you want to stop a certain behavior----how it’s hurting you and why getting rid of it will help. Look at that list regularly.

n Join other activities.  ②It’s wise of you to do something else when you want to stop your bad habits. If you get angry easily, for example, you can practice deep breathing or go for a walk.

n Give yourself a reward.  Before you get rid of a bad habit, decide what you’ll do to celebrate it if you achieve your goal.

n Keep off bad habits.    If you are fat and want to lose weight, keep junk food(垃圾食品) out of your house. If you are a heavy smoker, keep away from smoky bars or friends who like smoking.

n Be patient.    Bad habits develop over years, so you probably won’t be able to get rid of them quickly. In fact, people often give up several times before being successful, so you should ① ___________  ___________.

n Find support.  Don’t be afraid to ask for support from friends, family or other people who have the same bad habits as you. When you talk to others, they might be able to give you some advice or encouragement that you normally wouldn’t get from yourself.

小题1:在①处横线上填入适当的词。___________ ___________

小题2:将②处划线部分翻译成中文。

小题3:回答问题How many suggestions are offered to help you get rid of bad habits?

小题4:找出并写出所给句子的同义句。

You should be brave enough to get help from your friends, family or other people, because they may have the same bad behavior as you.

小题5:找出并写出最能表达该短文主题的句子。

查看答案
微信公众账号搜索答案