特邀监督员在行使监督职权过程中，各级公安机关和公安民警必须予以( )。
A．支持
B．帮助
C．积极的协助和配合
D．配合
参考答案：C
—I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
—But_____.[ ]
A. you didn't
B. you hadn't
C. he wasn't
D. you aren't
女性，30岁。7个月前孕48d行人工流产术，术后未来月经，雌、孕激素试验均阴性，闭经的原因应是（）。
A.卵巢性闭经
B.垂体性闭经
C.下丘脑性闭经
D.子宫性闭经
E.难以确定
