We now know that there was still a widespread trading network up and down a long portion of the coast of what is modern-day Mexico and Central America, for more than two centuries after the golden era ended. 我们现在知道在黄金时期结束后的两个多世纪中,当时在现在墨西哥和中美洲地区的海岸线上...
FEMALE PROFESSOR:Yes, it seems that gaining knowledge or abilities is another key. 女教授:是的。似乎获得知识或能力是另一个关键。 While it’s true that thousands of new neurons are produced in the brain’s memory center each day and that exercise promotes their generation, those new neurons w...
Tea became a staple of everyday life, part of the common culture and, uh, traditionally considered by many… the very mark of being English. 茶成为日常生活中的必备饮品,是共同文化的一部分,传统上被许多人认为是英国人的标志。 1 2 3 5 6 单选 What is the main purpose of the lecture? A. ...
1. What is the main purpose of the lecture? A. To explore possible solutions to an anthropological mystery B. To analyze the results of a nutritional experiment C. To explain why human beings first started creating ceramics D. To examine changes in the dietary preferences of an ancient cultur...
1.What is the main purpose of the lecture? A. To describe some recent improvements in computer technology B. To explain why so many software products have flaws when they are put on the market C. To show that creating good software depends on people with distinct roles working well to...
So in regions of the Arctic where wood was scarce, and where the houses could not withstand large fires and did not have good ventilation, we do find advantages associated with ceramic pots. 1.What is the main purpose of the lecture? A. To explore possible solutions to an anthropological...
Now, the kind of spray-on treatments I mentioned, 刚才提到的那种防雾喷剂的除雾方法, well, they wear off. 嗯,它们的效果不能持久。 What happens is they cause the tiny water droplets to flatten when they condense on the surface of the shower door or bathroom mirror or whatever object it ...
Narrator: Listen to part of a lecture in a theater history class. 旁白:听一段关于戏剧史的课程。 Male professor: One of the things New York City is known for is its Broadway theaters--big productions, elaborate musicals. 教授:众多让纽约闻名于世事物中,百老汇音乐剧便是其中之一,大制作,精致的...
What is the main purpose of the lecture? A. To explain how the red pigment in leaves breaks down B. To show that leaf color varies based on the tree species C. To introduce a theory about why leaves turn a particular color D.
Um, dust, little grains of rock and metal within the disk, collided with each other and stuck together. And this process sort of snowballed over millions of years until the chunks grew into mini-planets, proto-planets. Professor: Yes. This process is called accretion, and we call the disk...