No．7信令网中既发送又接收信令消息的节点，称为信令点，以下不具有信令点功能的节点是

坦克驾驶人员带有耳罩，这是在______处减弱噪声．小花家来了很多客人高谈阔论，小花关上房门以免影响自己的学习，这是在______减弱噪声．

对电气安全规程中的具体规定，实践中应根据具体情况灵活调整。

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余项。

小题1:

Home can be a great place for children to study. It’s important to provide a workspace of their own where they can read books or just write a letter to their friends.

●Location （位置）

小题2:  Kitchen and dining room are not so well suited for regular study, since books and pens get in the way of the day-to-day uses of those areas. Set up a place where a child can settle in and leave papers and pens at hand without having to clear everything away each night. For a child that likes being alone, set aside a corner of his bedroom, but keep it separate from things like games, music and other hobbies not related to studying.

●Keeping Things in Order 

Parents should encourage their child to spread out, but to leave it neat and orderly when he isn’t using his workspace. Ownership is very important for self-respect. 小题3:The workplace should be personal, but not another part of the playroom.

● 小题4:   

Encourage the whole family to help build a supportive environment that children need for success in school. Give them a good example of how to deal with problems, how to manage time and get things done in the right way.  小题5: Study will be more enjoyable and effective when supported by the whole family.

A．Attitude Is Everything

B．Bring Organization into Your Home

C．Here are several ways to choose a location.

D．Building a Good Home Learning Environment.E. Hold a can-do attitude and your child will follow your example.

F. Setting up a space in a common area of your home can be a good idea for children.

G. A child who learns to organize his space will carry organization into every corner of his life.

把（）作为党的指导思想并写入 * * ，是七大的历史性贡献。

A、列宁主义

B、新民主主义

C、中国特色社会主义

D、毛 * * 思想

国家基本药物的遴选原则是（）

A.安全有效、技术先进、经济合理

B.临床必需、安全有效、价格合理、使用方便、中西药并重

C.安全有效、慎重从严、结合国情、中西并重

D.应用安全、疗效确切、质量稳定、应用方便

E.积极稳妥、分步实施、注重实效、不断完善