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【单选题】
辨认空肠起点主要依靠下列哪一项结构( )A.
小肠系膜
B.
大网膜
C.
小网膜
D.
肝十二指肠韧带
E.
十二指肠悬肌 (Treitz韧带)
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反馈参考答案：
举一反三
【单选题】设有如下程序段 int i = 1 ; while (i> 0){ i =i + 1; } 下面描述中正确的是( )。
A.
while 循环执行 10 次
B.
死循环，将一直执行下去
C.
循环一次也不执行
D.
循环将执行一次
【简答题】设有如下程序段: int i=0, sum=1; do { sum+=i++;} while(i<6); cout<< sum <
【简答题】水的硬度用pH值表示，一般要求pH值在__________之间。
【判断题】As a country in which guns are free to be sold and bought, the US has a roughly equal high suicide rate by means of shooting in every one of its 50 states. ( )
A.
正确
B.
错误
【单选题】听力原文：W: The teacher Mr. Chen wants to talk with us about Jack's study. Are you free tomorrow? M: Urn... I'm busy myself in the business. I can't spare a little time. Who is going to meet Mr. Chen?
A.
The man.
B.
The woman.
C.
The man and the woman.
【单选题】If you are free to walk through out city, please ________ us.
A.
drop in
B.
drop in at C. drop in on
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【简答题】设有如下程序段: int i=0, sum=1; do { sum+=i++;} while(i<6); cout<< sum <
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