问题
单项选择题
下列对三房心（左侧）的二维超声显像所见的叙述，哪一项是错误的：
A．左心房内有一隔膜，左心房被分为两部分
B．左心房内的隔膜上有孔，左心房的两腔相互通连
C．肺静脉血只回流到右心房
D．左心房内的隔膜把左心房分为两部分，合并房缺使左心房与右心房交通
E．肺静脉血仍回流到左心房
答案
参考答案：C
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下列对三房心（左侧）的二维超声显像所见的叙述，哪一项是错误的：
A．左心房内有一隔膜，左心房被分为两部分
B．左心房内的隔膜上有孔，左心房的两腔相互通连
C．肺静脉血只回流到右心房
D．左心房内的隔膜把左心房分为两部分，合并房缺使左心房与右心房交通
E．肺静脉血仍回流到左心房
参考答案：C
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| These days men and women, young and old are 1 the same kind of 2 , and a lot of 3 have long hair (头发). We often can't 4 whether they are boys or girls, men or women. 5 old man often goes to walk in the park. He is sitting on a chair now. A young person is 6 7 him. "Oh, goodness!" the old man says to the other one. "Do you 8 that person with long hair? Is it a boy or a girl?" "A boy," says the other one. "He is my son." "Oh," says the old man, "Please 9 me. I don't know you are his 10 ." "I'm not his mother, I'm his father," says the other one. |
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