Question-C 6.5浏览器不支持音频浏览器不支持音频
A. He thinks that going first helped the woman be less nervous about giving a presentation.
B. The woman was the first student ever to give a presentation on Turkey's economy in his class.
C. He is relieved that the class is staying on schedule for making presentations.
D. He hopes other students will structure their presentations the way the woman did.
Lecture 6浏览器不支持音频Question-L 6.1浏览器不支持音频
A. To analyze the results of a nutritional experiment
B. To explain why human beings first started creating ceramics
C. To explore possible solutions to an anthropological mystery
D. To examine changes in the dietary preferences of an ancient culture
Question-L 6.2浏览器不支持音频
Ancient Arctic people used cooking techniques unsuitable for ceramic pots.
B. The vessels were not made with high-quality clay.
C. The vessels were often exposed to extreme temperatures.
D. Ancient Arctic people were frequently moving from place to place.
Question-L 6.3浏览器不支持音频
A. To explain why ancient Arctic people found warm food appealing
B. To explain why ancient Arctic people required a diet that was rich in meat
C. To explain why some foods could not be stored in clay pots
D. To explain the difficulties of manufacturing pottery in such a climate
Question-L 6.4浏览器不支持音频
A. They enjoyed eating foods that had been prepared in contrasting ways.
B. They liked raw foods better than minimally cooked foods.
C. Their preferences changed dramatically over time.
D. They liked foods cooked in ceramic vessels better than foods cooked in other types of containers.
微信支付 
支付宝支付