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【单选题】
当食管吞钡时,在右前斜位上可观察到的压迹不包括( )A.
主动脉弓压迹
B.
左心房压迹
C.
左心室压迹
D.
支气管压迹
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举一反三
【简答题】Wang Yan, a 15-year-old Chinese girl, likes eating snacks very much. She prefers cream biscuits, McDonald’s food, KFC chicken. As a result, she has become overweight. Today in China, there are many ch...
【单选题】—Are Li Yan and Wang Mei still living in Pingba? —No, they _______ to Shanghai. [ ]
A.
had moved
B.
moved
C.
will move
D.
have moved
【单选题】-Hi, Wang Ling, can't you recognize me? -Oh, Ma Yan!I ________ you ________ your sister. It's so nice to meet you here!
A.
thought; were
B.
thought; are
C.
think; are
D.
think; were
【单选题】下列关于妊娠的说法错误的是
A.
妊娠期全过程共约40周
B.
早期妊娠是13周末以前
C.
中期妊娠是妊娠14周-27周末
D.
晚期妊娠是28周及以后
E.
妊娠期日期计算从末次月经结束日算起
【单选题】下列关于妊娠的说法错误的是
A.
妊娠期全过程共40周
B.
早期妊娠是13周末之前
C.
中期妊娠是孕14周~27周末
D.
晚期妊娠是第28周及其后
E.
妊娠期日期计算从末次月经结束日算起
【简答题】What happened to Wang Yan during the challenge?
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