观察一下你周围的小伙伴.他们都是如何来上学的s。请写一个写英语作文

观察一下你周围的小伙伴.他们都是如何来上学的s。请写一个写英语作文

Secondly and most obviously, the compounds were only tested on rats. Rats may have a similar genetic structure to humans, but they are most certainly not the same as humans. There may be different causes for the learning and memory problems in rats as opposed to that of humans. The effect of the compounds on rats may also be very different from their effect on human beings. It is absurd in the extreme to advocate giving these compounds to students, even assuming that they would help the students with their studies, without conducting further studies assessing the compounds' overall effects on humans. The argument fails on this particular fact if for no other reason.

搜一下：观察一下你周围的小伙伴.他们都是如何来上学的s。请写一个写英语作文

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