药用动物生理产物的药材为（）。
A．水蛭
B．蛤蚧
C．蛤蟆油
D．五灵脂
E．珍珠
参考答案：D
The couple don't generally give in to each other, so they ________ when they are together.[ ]
A. have quarreled
B. are always quarreling
C. had quarreled
D. have been quarreling
在我国，保险立法要求投保人履行其告知义务的形式是______。
A．无限告知 B．询问回答告知C．明确列明告知 D．明确说明告知
