题目内容

群落是指生存于特定区域或生境内的一种生物种群所组成的集合体。

A. 对
B. 错

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英译汉。1 The end equipment can be computers, printers, keyboards, CRTs, and so on.

英译汉。2 The end equipment either generates the digital information for transmission or uses the received digital data.

英译汉。3 Computer network is a complex unit, and it consists of two or more connected computing units.

英译汉。4 Computer network is used for the purpose of data communication and resource sharing.