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sc from 补充教材 续
451.People who inherit the sicle cell aemia 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 E.are, it seems, resistant to malaria, and they have The key is A. But if we choose A, since the modifier will embellish the word before it, the "malaria" will be "an evolution"?
459.The brain is something of a stimulus-reduction system, (a means to reduce, in order to comprehened, the nearly infinite) amount of stimuli that reach the senses at any given moment. B.a means to reduce, in order to comprehend, the nearly infiniet number The key is B. Interpretation,please.
462.(Where once the union had acquiesced to the prejudicesof its English-speaking membersby supporting) the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist Italians an Slaves in its ranks. Structure,please.
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