胆绞痛、发热、黄疸见于
A.胰头癌B.慢性胆囊炎C.急性胰腺炎D.急性化脓性胆管炎
参考答案:D
________time went on, the people in the area came to realize how seriously the environment had
been polluted.[ ]
A. As
B. With
C. When
D. While
家庭是在什么样的基础上产生的()
A、收养关系
B、血缘关系
C、抚养关系
D、婚姻关系