___ the bones of prehistoric man,scientists hope to determine what their owners ate.A:Studying B:Being studied C:To study D:By studying

BONES OF THE EARTH怎么样 What's the meaning of pre-launch? A series of pre-recorded tapes ___ (have,has)been prepared for the language laboratory 选什么 为什 《the ghost of the chattering bones》讲了什么?中文 翻译：put bones on the edge of your plate. ___ the bones of prehistoric man,scientists hope to determine what their owners ate.A:Studying B:Being studied C:To study D:By studying work out the cost of the trip pre preson是什么意思 THE LOVELY BONES怎么样 A giraffe'sneck has the same number of bones as that of a man. fleshing out of the bare-bones forecastsflesh out是充实的意思,为什么flesh out of? young's modulus of bones ---What do you think of the 2012 NBA Pre-season in Beijing in October?---Well,great!But I don't think much of ___ held last year.A.one B.it C.the one D.which选哪个,为什么? bones 根据释义写出单词 1.brought or took something to someon:___ 2.the bones that support the body___ We found the bones of Peking Man there.(同义句） There are no bones in the back of elephants' feet--only Sound travels in the form(形式)of _.A.bones B.air C.waves D.voice 改错We can make medicine of tigers' bones.His grandfather ate the medicine twice a day.