Unit 4 Global warming Using language课时作业

　　Ⅰ.单词拼写

　　1．It is (估计) that the damage was over one million dollars.

　　2．The bill comes to 20 pounds (包括) service fee.

　　3．They (预测) that the next year would be a good harvest.

　　4．They were fighting in order to preserve their (独立)．

　　5．Our foreign trade has (扩张) greatly in recent years.

　　6．Money is thought to be the (根源) cause of all evils.

　　7．Some villagers have never been further away than the (邻近的) town.

　　8．As we all know, we have (建立) trade relation with more than 100 countries all over the world.

　　【答案】　1.estimated　2.including　3.predicted　4.independence　5.expanded　6.root 7．neighbouring　8.established

　　Ⅱ.阅读理解

　　As more and more people speak the global languages of English，Chinese，Spanish，and Arabic，other languages are rapidly disappearing.In fact，half of the 6,000－7,000 languages spoken around the world today will likely die out by the next century，according to the United Nations Educational，Scientific，and Cultural Organization (UNESCO)．

　　In an effort to prevent language loss，scholars from a number of organizations-UNESCO and National Geographic among them-have for many years been documenting dying languages and the cultures they reflect.

　　Mark Turin，a scientist at the Macmillan Center，Yale University，who specializes in the languages and oral traditions of the Himalayas，is following in that tradition.His recently published book，A Grammar of Thangmi with an Ethnolinguistic Introduction to the Speakers and Their Culture，grows out of his experience living，working，and raising a family in a village in Nepal.

Documenting the Thangmi language and culture is just a starting point for Turin，who seeks to include other languages and oral traditions across the Himalayan reaches of India，Nepal，Bhutan，and China.But he is not content to simply record these voices