agree on something."可知选B。

　　3．The passage suggests that when we learn a language,

　　　　　　.

　　A．we should understand the importance of the language

　　B．it's necessary to learn about the culture of the country

　　C．we should learn about the transport system of the country

　　D．it's enough to grasp the grammar and vocabulary of the language

　　解析：选B　推理判断题。通读全文可知，要掌握一门语言，学习这个国家的文化是很必要的。

　　4．It can be learned from the passage that ________.

　　A．it's important to find a suitable small talk subject

　　B．small talk depends on the purpose of the conversation

　　C．in English­speaking countries we should talk about the weather

　　D．agreeing with each other is the key to a successful conversation

　　解析：选A　推理判断题。根据文章可知，在谈话时找到一个合适的话题是非常重要的，故选A。

　　B

　　Small talk is a very short conversation used by individual to kill time and make the other person feel comfortable in his presence. However, sometimes you should be careful of your topics.

　　There are certain "safe" topics that people usually discuss.

　　The weather is probably the number one thing that people who do not know each other well discuss. Sometimes even friends and family members discuss the weather when they meet or start a conversation.

　　Another topic that is generally safe is current events. As long as you are not discussing a controversial_issue,_such as a recent law concerning equal rights, it is usually safe to discuss that. Entertainment and sports news is another good topic. If there is something that you and the other person have in common, that may also be acceptable to talk about. For example, if the bus is extremely full and there are no seats available, you might talk about the reasons why. Similarly, people in an office might casually discuss the new paint or furniture.

　　There are also some subjects that are not considered acceptable when making small talk.

　　Discussing personal information such as salaries or a recent divorce is unacceptable between people who do not know each other well. Compliments on clothing or hair are acceptable; however, you should never say something (good or bad) about a person's body.

Negative comments about another person not involved in the conversation are also not acceptable. When you do not know a person well you cannot be sure who their friends are. You do