What did the researchers find in the experiment？A．Human walking used more energy than bipe

What did the researchers find in the experiment？

A．Human walking used more energy than bipedal walking in chimps.

B．One chimp used about the same energy in walking on two legs as on all fours.

C．Two chimps used more energy walking on two legs.

D．Three chimps used less energy walking on two legs.

您可能感兴趣的试题

What is the main purpose of the passage？A．To outline the research findings on the brain st

答案解析
How did the researchers carry out their study？A．They studied the findings of several previ

答案解析
What did the researchers discover in northern Kenya？A．A human tooth.B．A human skull.C．Thre

答案解析
According to the passage, what problem does the recent research find？A．Sleep shortage has

答案解析
In what kind of areas do researchers find high caffeine levels？A．Areas near wastewater tre

答案解析
What did the researchers find in their study of f

答案解析
For what a purpose did the researchers use raw po

答案解析