A. The sun was worshiped by all the Chinese people. B. The sun was thought of as a cock. C. Chinese religion and astronomy were closely interrelated. D. Sundials were first used by the Chinese. 参考答案:C 答案解析:[参考译文] 文中暗含但未直接说明的是——。 [试题分析] 本题为推论题。 [详细解答] 本题可采用排除法。根据“Many of the Chinese people worshiped
第26题: [单项选择]取一只小鼠的皮肤,分别移植到切除和不切除胸腺的幼年小鼠身上,切除胸腺鼠的皮肤移植更易成功,这个实验结果说明对异体皮肤排斥起重要作用的是() A. T淋巴细胞 B. 造血干细胞 C. B淋巴细胞 D. 吞噬细胞 参考答案:A 答案解析:本题考查淋巴细胞的来源及功能。胸腺是造血干细胞分化为T淋巴细胞的场所,T淋巴细胞参与的细胞免疫过程分为三个阶段:感应阶段、反应阶段、效应阶段。即T淋巴细胞受抗原的诱导转化为效应T细胞,效应T细胞作用于