单项选择题 正常人铁粒幼红细胞所占平均比例

判断题 Python语言是一种通用语言，可以用于科学计算、数据分析、网站开发等多个方面。

单项选择题 Which of the following statement is not included in the characteristics of indirect communication style? A、Speakersdon’t always say what they mean. B、 Speakers are more likely to suggest or imply than to come out C、Speakers often mean exactly what they say. D、 Listeners have to read between the lines.