126.
Cooperative apartment houses have the peculiar distinction of being dwellings that must also operate as businesses. (A) of being dwellings that must also operate as businesses (B) of dwellings that must also operate like business (C) that they are dwellings that must operate like business (D) that, as dwellings, they must also operate like businesses（A） (E) to be a dwelling that must also operate as a business 给出的答案是a，being dwellings，that 的位置都值得怀疑．我怎么觉得d可能是答案 127.
People who inherit the sickle cell anemia gene from only one parent seem to be resistant to malaria, an evolutionary advantage that may explain why a genetic condition so debilitating to many individuals has survived in the human population. (A) seem to be resistant to malaria, (B) seemingly are resistant to malaria, (C) seem to be resistant to malaria and have (D) seemingly are resistant to malaria and to have（A） (E) are, it seems, resistant to malaria, and they have 这道题给出了答案a，但是很难想得通，后面的advantage 是在概括什么东东.... 选c不是更好么／
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