制动机为什么设有降压风缸？

在数列1，2，2，3，3，3，4，4，4，4，…中，第25项为______．

2 7 里有______个 1 7 ；7.2里面有______个0.01．

Part 1: Self-introduction

·The interlocutor will ask you and your partner questions about yourselves. You may be asked about things like "your hometown", "your interests ", "your career plans", etc.

Part 2: Presentation

·The interlocutor gives you two photographs and asks you to talk about them for about one minute. The examiner then asks your partner a question about your photographs and your partner responds briefly. Then the interlocutor gives your partner two photographs. Your partner talks about these pictures for about one minute. This time the interlocutor asks you a question about your partner, s photographs and you respond briefly.

Part 3: Collaboration

·The interlocutor gives you andyour partner a list of topics. Both of you need to choose one to discuss together: The interlocutor may join in the conversation and ask you questions, but you and your partner are expected to develop the conversation.

Topic 1:

Goals in Life

Topic 2:

Children’s Family Education

Topic 3:

Factors That You Should Consider When You Plan to Buy a House

Topic 4:

Ideal Family

Topic 5:

Threats in the 21st Century

在Word 2003中，对段落标记的描述，正确的是( )。

A．标明一个段落的结束

B．标明一篇文档的结束

C．带有一个段落的格式编排

D．删除了段落标记就删除了段落格式

试对赫鲁晓夫改革进行评价。