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11.8 北美口语作文
口语
1. favorite teacher and why?
2. First thought good or not?
4. Root communication
作文
1. dog related topics: listening rebutes with 1) dog's ancestor is not wolf but wide dog due to size and agression 2) human is not involved in dog domestication but it is a natual process and also natual selection related 3) domedicated dog's history might be more than 14000 years because before that age there is human do not bury in graves so there are not grave evidence with dogs.
2. should scientists be responsible for the negative impacts of their discovery
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发表于 2008-11-9 03:28:00
