It is always interesting to visit another country， especially for those who have never traveled a great deal。 Foreign _21_ can be very educational for anyone if he is interested enough to make preparations beforehand。 Learning the language of the new country would be difficult for the traveler， _22_the benefits of such an effort would become obvious immediately _23_ his arrival。 It may not seem important to him when he comfortably stays at home, but knowing how to _24_a meal or book a room is necessary for the newcomer in a strange country。 Without knowing the language, it is very difficult _25_ the stranger to understand the people of the new country and their customs. Of course， in our small world it is often possible to find someone _26_ understands our own, but this is only secondbest for the traveler。 To be sure, he can see places and things _27_ the use of a language, but places and things _28_ not the heart of any country。 To get the greatest benefit from a trip_29_another country， it is how important for the visitor to _30_ an understanding of the language。21travel转换理解题。短文第一句中的真正的主语to visit another country与A选项foreign travel同义。22 but考查句与句之间的逻辑关系。这个并列句只有用转折连接词but连接才符合句意,即“对游客来说学习他国的语言将是很困难的；但是，他为学好这门语言所付出的努力在他一踏上这个国土就能体会到了23 on考查固定搭配.on ones arrival等于时间状语从句when / as soon as one arrives。24order考查词组搭配.order a meal“点菜；订餐，book a room“预定房间”。其他选项eat / buy a meal词组搭配正确,但是不符合句意。 25for考查句型.It is +adj. for sb. to do sth. 对某人来说做某事。26who 考查定语从句。在定语从句中主语要用关系代词who替代.27without考查句意推断题.“当然,不用语言游客也能参观游览景点；但是景点不是任何一个国家的核心。28are考查主谓一致。Places and things作为主语是复数，同时是一般现在时态,所以B选项正确.29to考查词组搭配。a trip to +地点 “到某地去旅行”。30have考查不定式的用法。这是It is +adj。 for sb。 to do sth。 ”对某人来说做某事的句型， to是不定式的标记，后接动词原型,所以D选项正确. It is always interesting to visit another country， especially for those who have never traveled a great deal. Foreign _21_ can be very educational for anyone if he is interested enough to make preparations beforehand. Learning the language of the new country would be difficult for the traveler， _22_the benefits of such an effort would become obvious immediately _23_ his arrival. It may not seem important to him when he comfortably stays at home， but knowing how to _24_a meal or book a room is necessary for the newcomer in a strange country。 Without knowing the language, it is very difficult _25_ the stranger to understand the people of the new country and their customs。 Of course, in our small world it is often possible to find someone _26_ understands our own, but this is only secondbest for the traveler. To be sure， he can see places and things _27_ the use of a language, but places and things _28_ not the heart of any country. To get the greatest benefit from a trip_29_another country, it is how important for the visitor to _30_ an understanding of the language.21travel转换理解题。短文第一句中的真正的主语to visit another country与A选项foreign travel同22but考查句与句之间的逻辑关系。这个并列句只有用转折连接词but连接才符合句意，即“对游客来说学习他国的语言将是很困难的;但是，他为学好这门语言所付出的努力在他一踏上这个国土就能体会到了”23on考查固定搭配。on ones arrival等于时间状语从句when / as soon as one arrives。 24order考查词组搭配.order a meal“点菜;订餐,book a room“预定房间。其他选项eat / buy a meal词组搭配正确，但是不符合句意。25 for考查句型。It is +adj。 for sb。 to do sth。 对某人来说做某事”。26who考查定语从句。在定语从句中主语要用关系代词who替代。27without考查句意推断题。“当然，不用语言游客也能参观游览景点；但是景点不是任何一个国家的核心”。28are考查主谓一致.Places and things作为主语是复数，同时是一般现在时态,所以B选项正确。29to考查词组搭配.a trip to +地点 “到某地去旅行”。30 have考查不定式的用法.这是It is +adj. for sb. to do sth。 ”对某人来说做某事”的句型, to是不定式的标记,后接动词原型，所以D选项正确。Eagle has the longest lifespan of its species. Eagle can _21_ 70 years, but to reach this age， the Eagle must make a hard decision. _22_ its 40s， its long and flexible talons （爪） can no longer grab prey （掠食) which serve as food, its long and sharp beak （鸟嘴， 喙） becomes bent. Its oldaged and heavy wings, due to their thick feathers， become stuck to its chest and make it _23_to fly。 Then Eagle is left with only two options： die or go through a painful process of change _24_ lasts 150 days for survival。The process requires that Eagle fly to a mountain top and sit on its nest. There the Eagle knocks its beak _25_a rock until it plucks （拔去） it out。 After plucking it out， Eagle will wait for a new beak to grow back. _26_its new talons grow back， the eagle starts plucking its oldaged feathers and after five months, eagle can take its flight of rebirth and lives for thirty _27_ years。Many times， in order to survive, we _28_ start a change process. We sometimes need to _29_old memories， habits and other past traditions。 Only freed from past burdens， can we _30_ the present。 (208 words)21live up to考查词义辨析题。live up to活到岁数； survive生存, 从。困境中存活下来22。In考查固定词组搭配用法。in its 40s指“在它四十岁时.译文：当老鹰活到40岁时，爪子开始老化，无法有效地抓住猎物，喙变得又长又弯.23 difficult考查固定词组搭配用法.make it difficult to fly指“使它难以飞翔”。译文：由于羽毛长得又浓又厚，老化和笨重的翅膀碰到胸膛，使它难以飞翔.24which考查定语从句的用法。关系代词which在定语从句中作主语，修饰a painful proce