43. B 细节理解题。由第二段“In many ways, countries are becoming more and more alike(相似的).”一句可知很多国家变得类似了(similar)。故选B。
44. C 细节理解题。短文第三段“A few other examples of heritage protection are making sure your children speak your traditional language”一句说明确保孩子说他们传统的语言也是一场保护的一部分,和选项C所述一致。故选C。
45. C观点态度题。短文最后一句“it is important to remember the heritage of our parents and our grandparents”说明记得父母亲的遗产是很重要的,和选项C所述一致。故选C。