甾体母核与乙型强心苷母体相同的是（）
A．精氨酸
B．去氧胆酸
C．麝香酮
D．蟾蜍甾二烯
E．胆甾醇
参考答案：D
根据句意及首字母提示填词。
1. People in different countries speak different l________.
2. Hip Pop is very p_______. Young people like it very much.
3. I can't answer this question. It's very d________.
4. Jenny left home w_________ any money. We are all worried about her.
5. Don't worry about us. We can look after o________.
