在溃疡性结肠炎引起急性结肠扩张的诱因中，与下列选项无关的是（）
A.低血糖
B.低血钾
C.应用吗啡类药物
D.钡剂灌肠
E.应用抗胆碱能药物
参考答案：A
我们一起认识单词王国的三个奇特的成员。读一读，判断，对的打“√”，错的打“×”。
My name is Amy. I have short green hair, big ears and little feet. This is Billy. He has curly blond hair. He
has big eyes and long arms. That is Sal. She has long brown hair. She has little eyes and short legs.
( ) 1. Amy has long green hair.
( ) 2. Billy has curly blond hair.
( ) 3. Billy has litte eyes.
( ) 4. Sal has short brown hair.
( ) 5. Sal has little eyes and short legs.
施工期进行应力应变监测的一个重要作用是寻求最大应力的位置、大小和方向。（）
