C. Contributions they can make. 听下面一段独白,回答以下小题。 18. What does the speaker's mother want her to be? A. A confident person. B. A warm-hearted person. C. A humorous person. 19. Why did the speaker feel lonely in her childhood? A. She often traveled by herself. B. H...
For example, when we writethe 1800s, we are referring to all the years from 1800 to 1899. Within that range are one hundred discrete years; that is, more than one: a plural. We can also refer to those years collectively asthe nineteenth centuryin all lowercase letters. Women often wore...
Rick Potts directs the Human Origins Project of the Smithsonian Institution in Washington, D.C. He was not involved in the research. Potts suggests being tailless may have been a first step toward some apes standing upright,...
[03:11.60]They include some that link being tailless [03:15.32]to learning to walk upright. [03:18.76]Rick Potts directs the Human Origins Project [03:22.88]of the Smithsonian Institution in Washington, D.C. [03:29.88]He ...
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“We found a single mutation in a very important gene,” said Bo Xia. He is a geneticist at the Broad Institute and helped write the study recently released in the publication Nature. “我们在一个非常重要的基因中发现了一个突变,”夏波说。他是布罗德研究所的遗传学家,并帮助撰写了最近在《自...
In this way, messages could be sent wirelessly all over the world using radio equipment — even from ships. This proved useful, because prior to the beginning of the 20th century, ships were pretty much out of luck when they needed to get a message to shore. Morse code did not exist ...
Levi Strauss and Jacob Davis made their patented rivet pants to serve the needs of miners in the 19th century, here's how they spent the rest of their days.
They’re the same steps that helped me learn languages, deliver my TEDx Talk from memory and even write books faster. Everything starts with you learning how to use proper Memory Palaces. Although it’s an ancient memory technique, I can’t stress mastering the Memory Palace technique ...
Write with Grammarly Because verbs are so important, they have more rules than other types of words. This can make verbs a little confusing in English, but read on for our explanation of everything you need to know: the different types of verbs, the different forms they take, how to conj...