有利于防止冠状动脉硬化的激素是（）
A.雌激素
B.孕激素
C.雄激素
D.甲状腺激素
E.前列腺素
参考答案：A
— Volunteering is becoming ________ popular in China.
— Yeah, people are now aware that helping others is helping themselves. [ ]
A. naturally
B. successfully
C. splendidly
D. increasingly
由土地所有人或使用人向有关机关申报的地价称为( )。
A．土地总价格
B．公告地价
C．交易底价
D．申报地价
