右图是草履虫结构示意图,请据图回答下列问题: 1在观察草履虫的实验之中,用来观察的液滴应取自培养液的 ,因为 2显微镜下草履虫的形状像一只 Template




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tomski右图是草履虫结构示意图,请据图回答下列问题: 1在观察草履虫的实验之中,用来观察的液滴应取自培养液的 ,因为 coloring