The first primitive man known to have existed in China is ( ), who lived about 1.7 million years ago. ( ),who existed more than 600,000 years ago at Zhoukoudian, in the vicinity of modern Beijing, could walk upright, make and use simple tools, and make use of ( ) .
举一反三
- The first primitive man known to have existed in China is _________, who lived about 1.7 million years ago.
- The first primitive man known to have existed in China is _________, who lived about 1.7 million years ago. A: Yuanmou Man B: Peking Man
- The first primitive man known to have lived in China is Peking Man, who lived about 1.7 million years ago. ( ) A: 对 B: 错
- We each other since known; ten years ago. A: have known; ten years ago B: knew; ten years ago C: have known; ten years D: knew; ten years
- All present-day cells are believed to have evolved from an ancestral cell that existed more than ________ years ago.