Complete the sentences with the words below. Change the form where necessary.exoticarteryfleerespectiveexcavatearduouslitertraverse1 A burial site in Germany was ________ by a team of experts, and ancient Chinese silk was found there.2 International students celebrate the cultural events and holidays from their ________ cultures every year.3 The museum showcases a wide range of ________ cultures, providing a fascinating insight into different civilizations.4 Only a third of the newly arrived migrants are ________, while the others can barely manage basic reading tasks.5 War and famine have forced people in the region to ________ from their homes to other countries.6 It took several weeks for Stanley to ________ the vast continent from west to east, facing numerous challenges along the way.7 This river used to be a busy ________ leading into London, serving as an important route for transportation and trade.8 In those days, traveling to distant regions was ________, given how few means of transportation were available.

本题主要考查对所给单词的理解以及在具体语境中的运用，需要根据句子的逻辑和语义来选择合适的单词，并根据语法规则对单词形式进行必要的变化。

1. 句子“A burial site in Germany was ______ by a team of experts, and ancient Chinese silk was found there.”中，“by a team of experts”表明是专家对墓地进行了某种动作，结合所给单词，“excavate”有“挖掘”的意思，且此处是被动语态，所以应填“excavated”。
2. “International students celebrate the cultural events and holidays from their ______ cultures every year.”，国际学生庆祝来自他们不同文化的活动和节日，“respective”表示“各自的”，符合语境，所以填“respective”。
3. “The museum showcases a wide range of ______ cultures, providing a fascinating insight into different civilizations.”，博物馆展示各种文化，“exotic”意为“异国情调的”，能体现不同文明的特色，故填“exotic”。
4. “Only a third of the newly arrived migrants are ______, while the others can barely manage basic reading tasks.”，根据“while the others can barely manage basic reading tasks”可知，一部分移民能处理基本阅读任务，也就是有文化，“liter”的形容词形式“literate”表示“有文化的”，所以填“literate”。
5. “War and famine have forced people in the region to ______ from their homes to other countries.”，战争和饥荒会迫使人们离开家乡去其他国家，“flee”表示“逃离”，符合语境，所以填“flee”。
6. “It took several weeks for Stanley to ______ the vast continent from west to east, facing numerous challenges along the way.”，从句子可知Stanley花了几周时间从西到东完成了对大陆的某种行动，“traverse”表示“穿越”，与“vast continent”搭配合理，所以填“traverse”。
7. “This river used to be a busy ______ leading into London, serving as an important route for transportation and trade.”，河流作为交通和贸易的重要路线，就像人体的动脉一样，“artery”有“动脉”的意思，这里可引申为交通要道，所以填“artery”。
8. “In those days, traveling to distant regions was ______, given how few means of transportation were available.”，由于当时交通工具很少，去遥远地区旅行应该是很艰难的，“arduous”表示“艰难的”，符合语境，所以填“arduous”。