第28题: [单项选择]妊娠合并卵巢肿瘤,以下哪项是错误的 A. 早孕时,卵巢嵌入盆腔可引起流产 B. 分娩时因肿瘤受压易发生破裂 C. 妊娠早期发现单侧而活动的囊肿宜等待至孕3个月进行手术 D. 妊中期发现卵巢肿瘤,不论良恶性均可等待胎儿足月行剖宫同时切除肿瘤 E. 妊娠合并良性卵巢肿瘤以卵巢囊性畸胎瘤及浆液性囊腺瘤为多 参考答案:D
第30题: [单项选择]What’s wrong with John A. He has got a headache. B. His foot was hurt (使受伤,伤害) yesterday. C. She has got a headache. 参考答案:B 答案解析:[解析] A: Is everyone here B: No. John hurt his foot yesterday and has to stay at home. A:
第31题: [单项选择]为实现多线程之间的通信,需要使用下列哪种流才合适() A. Filterstream B. Filestream C. Randomaccessstream D. Pipdestream 参考答案:D