正确答案: B

主动过程

题目：生物群落的竞争过程是一种( )

解析：B

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举一反三的答案和解析：

[单选题]Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the answer sheet.In fact, there was hardly any activity or social event that could not be set to Music. Weddings, births, christening, funerals, picnics, parades-- 21 had their musical accompaniment.

all

[单选题]闻一多属于下列诗歌流派中的( )

新月派

解析：【答案】B