第3题: [单项选择]宫口开全后，开始保护会阴的时机应是 ( )。 A. 经阴道外口看到胎发时 B. 胎头开始拨露时 C. 胎头拨露10分钟时 D. 胎头拨露阴唇后联合紧张时 E. 胎头开始着冠时 参考答案:B 答案解析:[解析] 当宫口开全后，胎先露部已降至阴道。每当宫缩时，前羊水囊或胎先露部压迫骨盆底组织及直肠，反射性地引起排便动作。腹壁肌及膈肌收缩使腹内压增高，促使胎儿娩出。过早增加腹压易使产妇疲劳和造成宫颈水肿
第14题: [单项选择]What is the woman’s wish [A] To have a cold day. [B] To have a sunny day. [C] To have a lot of snow. 参考答案:B 答案解析:[听力原文] M: Have you ever seen so much snow It’s really beautiful. W: I’m tired of all this col
第30题: [单项选择]It was (through) his uncle's influence (which) Philip obtained his (position) (with) the biggest oil company in the country. A. through B. which C. position D. with 参考答案:B 答案解析:强调句型连接词错误，应改为that。强调句型的构成是“it is (was)+被强调部分+ that/who+其他”，强调人时可以用who，此外都要用that连接，而不能用别的连词。
