, we share a common ancestor and split (划分) from our ape relatives 6 to 7 million years ago. Until recently, we didn’t know much about this common ancestor. By studying the changing shape of scapular (肩胛 ……

(猿猴) like chimpanzees. In fact, we share a common ancestor and move apart from our ape relatives 6 to 7 million years ago. Until recently, we didn’t know much about this common ancestor. By studying ……

in the past 7 million years.C. The changing shape of bones in the shoulder throws new light on human evolution.D. Our common ancestor with apes looked a lot like modern humans.2. What can we conclude ……

)."The discovery opens a new chapter in the study of the origins and early history of these fascinating reptiles... million-year-old fossil is an ancestor of the modern turtle at a stage when its shell was still ……

, its muscles, bones and even its tongue are green.This is because there is a lot of green bile...), giving them a green color. Scientists found that the ancestor (祖先) of the green-blooded skink ……

, its muscles, bones and even its tongue are green.This is because there is a lot of green bile...), giving them a green color. Scientists found that the ancestor (祖先) of the green-blooded skink ……

Starfish don’t have brains or bones. ……

ancestor of all primates, including humans, if predications by a team of international scientists are correct.Instead of 65 million years ago, they believe primates may have evolved from an ancestor ……

The bones of a pigeon weigh less than its feathers. ……

common ancestor with apes looked a lot like modern humans.2. What can we conclude from Paragraphs 5-6?A. Early humans’ slowly-formed vertical scapular spines made them great throwers and predators.B ……

HAVE you ever had such an experience? You wake up early in the morning and can’t go back to sleep... it causes.Well, imagine doing that for the whole school year. I moved from China to Indonesia in 2014 ……

have discovered the earliest human ancestor so far. They have dug up the teeth, jawbone, collarbone, hand and foot bones of a creature who walked on two legs through cool, wet forests 5.8 million years ……

Babies are born with 300 bones, but by adulthood we have only 206. Some bones grow together as we are getting older. ……

Q: When you are born, you have 306 bones. As an adult you have 206 bones. Why? A. Some bones dissolve (分解). B. Some bones fuse (熔合) together. C. Some bones (粉碎) apart. （答案见本期8版） ……

The country of Indonesia is made up of over 17,000 islands. ……