最能体现人寿保险个人返还性特征的险种是()
A.生存保险
B.年金保险
C.两全保险
D.死亡保险
参考答案：C
—Boys and girls, are reading English books?
—Yes, are.
A．you; we
B．they; you
C．we; we
D．you; they
预防创伤性坏疽发病最可靠的方法是
A．应用甲硝唑B．应用抗毒素C．彻底清创D．应用青霉素E．高压氧治疗
