讲chimpanzee黑猩猩的行为研究。 Another conclusion of the passage:
A. Modify these behaviors over generations
B. adapt to the environment
C. chimpanzee is slower than human in every different ways
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所谓承诺,是指要约人同意要约的意思表示。()
A. 对
B. 错
国有旅游资源的所有权与经营权不得分离。()
A. 对
B. 错
.旅行社是以营利为目的,从事旅游业务的企业。()
A. 对
B. 错
图表种类 柱状图 图表instruction The chart shows the percentage of a drug company’s total sales in 4 regions from 2002 to 2006.Summarize the information by selecting and reporting the main features, and make comparisons where relevant.