第7题: [单项选择]有关细胞生命历程中各种现象的叙述,正确的是() A. 细胞的凋亡受基因的控制,细胞衰老则不受基因控制 B. 在不断增长的癌组织中,癌细胞内DNA量始终保持不变 C. 随着细胞的生长,细胞表面积和体积的比值会有所减小 D. 细胞核在有丝分裂全过程中都发生转录,仅间期进行DNA复制 参考答案:C
第8题: [单项选择]无脉征最常见于() A. 心包积液 B. 严重休克 C. 主动脉瓣狭窄 D. 室间隔缺损 参考答案:B
第18题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Leather gloves always serve as good gifts. B. Their niece already has a pair of leather gloves. C. Only one size will fit. D. The gloves are. all the same size. 参考答案:D 答案解析:[听力原文]
W: How about these leather gloves as a gift for our niece
M: They’re nice looking, but I d