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.
单项选择题 3,5-二羟基黄酮与7,4'-二羟基黄酮的区别可用( )。A. 盐酸-镁粉反应B. 醋酸镁反应C. 四氢硼钠反应D. 二氯氧锆盐-枸盐酸反应
问答题 农产品地理标志登记申请不符合规定条件的，应当在提出初审意见之日起[填空(1)] 个工作日内将相关意见和建议书面通知申请人。
单项选择题 正常脑脊液中细胞主要为 A. 红细胞 B. 嗜碱性粒细胞 C. 嗜酸性粒细胞 D. 淋巴细胞 E. 单核细胞
