-----that distinguish human beings from mother primates are related to the ability of people to stand upright and walk on two legs. A. Many of the physical characteristics C. The physical characteristics 答案是A,可是我不知道c错在哪儿，谢谢指教
以下是引用洁儿在2003-10-7 18:05:00的发言： -----that distinguish human beings from mother primates are related to the ability of people to stand upright and walk on two legs. A. Many of the physical characteristics C. The physical characteristics 答案是A,可是我不知道c错在哪儿，谢谢指教
Many of species of milkweed are among the most dangerous of poisonous plants, while others have little, if any, toxicity. the key : A
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发表于 2003-10-7 18:05:00
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