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【单选题】
单相桥式整流电容滤波电路中,当一只二极管开路,输出电压将( )。A.
略有上升
B.
下降一半
C.
上升一半
D.
明显下降，不足一半
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举一反三
【简答题】根据句意及首字母提示完成句子。 1. Sandy wants to be a policewoman when she g up. 2. Yao Ming is a p basketball player. He plays basketball very well. 3. Peter is going to be an e . He studies math really hard. 4. ...
【简答题】孕妇,妊娠33周,无诱因阴道出血约150ml,腹部检查:腹软,无压痛,胎位清楚,胎心148次/分,阴道可见少量血液。
【简答题】根据括号内的汉语，结合句子的意思，在横线上写出形式正确的英语单词， 每个空格只准填一个单词。 1. Smoking is (禁止) in public places. 2. Her brother is (主修) in French in Beijing Foreign Language University. 3. Michael is quiet. He doesn't want to tak...
【单选题】孕妇,妊娠 33 周,无诱因阴道出血约 100ml,腹查:腹软,无压痛,胎位清楚,胎心 158 次/分,阴道可见少量血液,最可能的诊断是:
A.
胎盘早剥
B.
早产
C.
前置胎盘
D.
妊娠期高血压疾病
E.
见红
【单选题】孕妇,妊娠 33 周,无诱因阴道出血约 100ml,腹部检查:腹软,无压痛,胎位清楚,胎心 158 次/分,阴道有少量血液,最可能的诊断是:
A.
胎盘早剥
B.
早产
C.
前置胎盘
D.
妊娠期高血压疾病
E.
见红
【简答题】根据句意和首字母提示补全单词。 1. I'm in Class 2. He's in Class 2. We're in the s______ class. 2. I can l______ a lot about Chinese history. 3. His f______ food is chicken. 4. Her brother w______ to be an artist. 5....
【简答题】听对话，回答问题。 1. Does Li Hua want to get money from her parents? A. Yes, she does. B. No, she doesn't. C. We don't know. 2. What does Li Hua want to buy? A. Some CDs. B. Some clothes. C. Some books. 3. Wh...
【简答题】根据句意及首字母提示完成下列单词。 1. I think Beijing O______ is very interesting. 2. I can l______ a lot about Chinese history. 3. His f______ food is chicken. 4. Her brother w______ to be an actor. 5. Do you want to...
【简答题】孕妇,妊娠33周,无诱因阴道出血约150ml,腹部检查:腹软,无压痛,胎位清楚,胎心148次/分,阴道可见少量血液。
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