[多项选择]造成滴虫性阴道炎的原因有() A. 阴道毛滴虫体的寄生 B. 继发细菌感染 C. 月经前后阴道生理功能紊乱 D. 阴道pH值升高变为中性或碱性 E. 误食不洁食物
参考答案:A, B, C, D
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第1题:[单选题] --Did you watch the football match on TV last night? --I wanted to ,but my mother _____ her favourite TV programme. A. watches B. watched C. was watching D. had watched 参考答案:C