题目内容

关于复数2-3i说法正确的是

A. 实部为2
B. 虚部为3
C. 虚数单位是i
D. 辐角在第一象限

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Work in pairs and rewrite this dialogue to make the disagreement sound less tense but more agreeable.跟搭档两人一组重写对话，使分歧听起来不那么激烈，而是更令人愉快的。

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