与胆管癌发生有关的因素不包括（）
A.肝胆管结石
B.原发性硬化性胆管炎
C.先天性胆管囊肿
D.肝吸虫感染
E.慢性胰腺炎
参考答案：E
Though Lucy is often tired ______ his job, he is never tired ______ it. In fact , he enjoys it.
A of, with B with, with C of, from D from, of
（）是调节个人与祖国之间关系的道德要求、政治原则和法律规范。
A.爱国思想
B.爱国行为
C.爱国主义
D.爱国情感
