C We see humans all around us. But when was the first human seen? Early humans did not leave be ind any written records. However, they left behind many paintings on the walls of the caves(洞穴where they lived. These paintings tell about their life, and we know these early humans walked...
根据第一段“When adult humans meet a baby, many can’t help speaking in a higher-pitched (更高音的), sing-song y voice. This shift, known as parentese, is not unique to humans — it has also been observed in animals like monkeys and gorillas. Now, scientists are adding one more ...
"So then the question is, well, when did this happen?" Wrangham said. It may have been even before modern humans emerged, according to Wrangham. Homo erectus was the first hominin to have less primate-like and more human-like body proportions, and some of those features suggest they may ...
Humans would have needed a way to deal withcorpses as they decomposed, started to smell and exposed the living to flies, pathogens and scavengers. Initially, burials or other forms of body disposal may have dealt only with these practical aspects of death, becoming more sophisticated later on. ...
Geologists would find the first clues, not in the Sahara, but at the bottom of the Atlantic Ocean.地质学家们首先发现了线索，不过线索可不在撒哈拉，而是在大西洋的海底。Archaeologists would uncover seemingly unlikely evidence of vibrant societies, in what's now the desert.考古学家们也挖掘出一些不...
the blanks with proper words.When the worl d was very y I , humans live d only in hot places. They didn't live in col d places because they coul d not keep themselves warm enough there.At first humans didn't know how to make a fire. L. 2, trees were hit by lightning and s...
二、语法填空。在空格处填入适当的单词或括号内所给单词的正确形式。We see humans all around us. But when was the first h
12. Who did the speakers see A. A famous singer. B. A famous actress. C. A famous writer.13. What makes the city more popular A. Great entertainment. B. Cheap labor. C. Beautiful nature.听第9段材料,回答第14至16题。14. Why doesn’t the man eat at the university cafeteria ...
1. What is Richard doing through the Internet? A. Chatting with his friends. B. Looking for job information. C. Checking ads about apartments. 2. Where will the woman probably go first? A. The grocery store. ...
6.What is the main reason why the woman loves Taylor Swift? A.Taylor’s songs. B.Taylor’s hometown. C.Taylor’s appearance. 7.Where did the woman first see Taylor Swift? A.In the news. B.On the Interne...