B．When they stay with those who are from Beijing.

　　C．When they stay with those who are new settlers.

　　D．When they stay with their family members and friends.

　　解析：细节理解题。根据第一段第四句"The local dialect is generally considered more intimate so it is used among close family members and friends and in everyday conversation within the local area."可知，当与亲朋好友在一起的时候，中国人讲当地方言。故选D。

　　3．What is the main idea of Paragraph Two？__A__

　　A．How to learn a local dialect.

　　B．The difficulty in learning a local dialect.

　　C．The social benefit of learning a local dialect.

　　D．Introduce some formal methods for learning a local dialect.

　　解析：段落大意题。通读本段可知，本段主要讲述如何学习新的方言。学习方言通常是非正式的，是在一个沉浸和识别声音转换的过程中学会的，通常，需要大约一年的时间就可以理解当地方言，3到5年就可以流利地使用这种方言。因为方言的多样化，通常没有学习方言的正式方法。故选A。

　　4．Why few Chinese can speak the nationalized standard form of Mandarin in daily life？__B__

　　A．The nationalized standard form of Mandarin is too difficult to learn.

　　B．Most Chinese who settled down a new area try to pick up the local dialect.

　　C．The nationalized standard form of Mandarin pronunciation is only heard on news and radio broadcasts.

　　D．Chinese are influenced by their own dialect and accent when they speak Mandarin.

　　解析：推理判断题。第二段第一句"Knowing the local dialect is of great social benefit, and most Chinese who settled down a new area will try to pick up the local dialect."可知，懂得当地方言有很大的社会效益，定居在一个新地区的大部分中国人会努力学习当地方言，因此很少有中国人在日常生活中讲标准的普通话。故选B。

　　Ⅴ.完形填空

　　阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

　　A year ago, I paid no attention to English idioms, though my teacher emphasized (强调) the importance again and again. But soon, the importance of English idioms was shown __1.A__ an amusing experience.

One day, I __2.B__ to meet an Englishman on the road, and soon we began to talk. As I __3.D__ about how I was studying English, the foreigner seemed to be surprised. Gently __4.C__ his head, and shrugging (耸肩) his shoulders, he said, "You don't say！" "You don't say！" I